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Chess openings name tree
Opening pages
Explorer
Alekhine Defense
Balogh Variation
Brooklyn Variation
Everglades Variation
Buckley Attack
Exchange Variation
Karpov Variation
Voronezh Variation
Four Pawns Attack
Cambridge Gambit
Fianchetto Variation
Ilyin-Zhenevsky Variation
Korchnoi Variation
Main Line
Tartakower Variation
Trifunovic Variation
Hunt Variation
Lasker Simul Gambit
Matsukevich Gambit
Mikenas Gambit
Kmoch Variation
Krejcik Variation
Krejcik Gambit
Maróczy Variation
Modern Variation
Alburt Variation
Alekhine Gambit
Alekhine Variation
Flohr Variation
Keres Variation
Larsen Variation
Larsen-Haakert Variation
Main Line
Panov Variation
Schmid Variation
Vitolins Attack
Mokele Mbembe
Modern Line
Vavra Defense
Normal Variation
O'Sullivan Gambit
Scandinavian Variation
Geschev Gambit
Myers Gambit
Spielmann Gambit
Steiner Variation
Sämisch Attack
The Squirrel
Two Pawns Attack
Lasker Variation
Mikenas Variation
Tate Variation
Welling Variation
Amar Gambit
Amar Opening
Gent Gambit
Paris Gambit
Amazon Attack
Siberian Attack
Amsterdam Attack
Anderssen's Opening
Polish Gambit
Australian Defense
Barnes Defense
Barnes Opening
Fool's Mate
Gedult Gambit
Hammerschlag
Walkerling
Benko Gambit
Fianchetto Variation
Mutkin Countergambit
Nd2 Variation
Nescafe Frappe Attack
Zaitsev System
Zaitsev Variation
Nescafe Frappe Attack
Benko Gambit Accepted
Central Storming Variation
Dlugy Variation
Fianchetto Variation
Fully Accepted Variation
King Walk Variation
Modern Variation
Pawn Return Variation
Yugoslav
Benko Gambit Declined
Bishop Attack
Hjørring Countergambit
Main Line
Pseudo-Sämisch
Quiet Line
Sosonko Variation
Benoni Defense
Benoni Gambit
Schlenker Defense
Benoni Gambit Accepted
Benoni-Indian Defense
Kingside Move Order
Benoni-Staunton Gambit
Classical Variation
Argentine Counterattack
Averbakh-Grivas Attack
Czerniak Defense
Tal Line
Full Line
Main Line
New York Variation
Traditional Variation
Cormorant Gambit
Czech Benoni Defense
Fianchetto Variation
Hastings Defense
Main Line
Four Pawns Attack
Main Line
Franco-Sicilian Hybrid
French Benoni
Hawk Variation
Hromádka System
King's Indian System
King's Pawn Line
Knight's Tour Variation
Mikenas Variation
Modern Variation
Snake Variation
Old Benoni
Mujannah Formation
Schmid Variation
Pawn Storm Variation
Semi-Benoni
Snail Variation
Taimanov Variation
Uhlmann Variation
Weenink Variation
Woozle
Zilbermints-Benoni Gambit
Tamarkin Countergambit
Bird Opening
Batavo-Polish Attack
Double Duck Formation
Dutch Variation
Batavo Gambit
Dudweiler Gambit
From's Gambit
Bahr Gambit
Langheld Gambit
Lasker Variation
Lipke Variation
Hobbs Gambit
Hobbs-Zilbermints Gambit
Horsefly Defense
Lasker Gambit
Lasker Variation
Mujannah
Myers Defense
Platz Gambit
Schlechter Gambit
Siegener Gambit
Sturm Gambit
Swiss Gambit
Thomas Gambit
Wagner-Zwitersch Gambit
Williams Gambit
Williams-Zilbermints Gambit
Bishop's Opening
Anderssen Gambit
Berlin Defense
Greco Gambit
Boden-Kieseritzky Gambit
Lichtenhein Defense
Boi Variation
Calabrese Countergambit
Jaenisch Variation
Four Pawns Gambit
Horwitz Gambit
Khan Gambit
Kitchener Folly
Krejcik Gambit
Lewis Countergambit
Walker Variation
Lewis Gambit
Lisitsyn Variation
Lopez Gambit
Lopez Variation
Lopez Gambit
McDonnell Gambit
La Bourdonnais-Denker Gambit
McDonnell Double Gambit
Pachman Gambit
Philidor Counterattack
Philidor Variation
Ponziani Gambit
Pratt Variation
Stein Gambit
Thorold Gambit
Urusov Gambit
Keidansky Gambit
Panov Variation
Vienna Hybrid
Hromádka Variation
Spielmann Attack
Warsaw Gambit
del Rio Variation
Blackmar-Diemer Gambit
Blackmar Gambit
Diemer-Rosenberg Attack
Fritz Attack
Lemberger Countergambit
Endgame Variation
Lange Gambit
Rasmussen Attack
Sneiders Attack
Soller Attack
Netherlands Variation
Rasa-Studier Gambit
Reversed Albin Countergambit
Zeller Defense
Soller Attack
von Popiel Gambit
Zilbermints Variation
Blackmar-Diemer Gambit Accepted
Bogoljubow Defense
Kloss Attack
Mad Dog Attack
Nimzowitsch Attack
Studier Attack
Euwe Defense
Zilbermints Gambit
Gunderam Defense
Stader Variation
Holwell Defense
Kaulich Defense
Pietrowsky Defense
Ritter Defense
Ryder Gambit
Schlutter Defense
Teichmann Defense
Ciesielski Variation
Classical Variation
Seidel-Hall Attack
Ziegler Defense
Blackmar-Diemer Gambit Declined
Brombacher Countergambit
Elbert Countergambit
Gedult Defense
Lamb Defense
Langeheinicke Defense
O'Kelly Defense
Vienna Defense
Weinsbach Defense
Blumenfeld Countergambit
Duz-Khotimirsky Variation
Spielmann Variation
Blumenfeld Countergambit Accepted
Bogo-Indian Defense
Exchange Variation
Grünfeld Variation
Haiti Variation
Monticelli Trap
New England Variation
Nimzowitsch Variation
Retreat Variation
Vitolins Variation
Wade-Smyslov Variation
Bongcloud Attack
Borg Defense
Borg Gambit
Troon Gambit
Zilbermints Gambit
Canard Opening
Caro-Kann Defense
Accelerated Panov Attack
Modern Variation
Open Variation
Pseudo-Scandinavian
Van Weersel Attack
Advance
Short Variation
Advance Variation
Bayonet Attack
Botvinnik-Carls Defense
Bronstein Variation
Prins Attack
Short Variation
Tal Variation
Van der Wiel Attack
Dreyev Defense
Alekhine Gambit
Apocalypse Attack
Breyer Variation
Stein Attack
Bronstein-Larsen Variation
Campomanes Attack
Classical Variation
Flohr Variation
Lobron System
Main Line
Maróczy Attack
Seirawan Variation
Spassky Variation
De Bruycker Defense
Edinburgh Variation
Euwe Attack
Exchange Variation
Bulla Attack
Rubinstein Variation
Finnish Variation
Forgacs Variation
Goldman Variation
Gurgenidze Counterattack
Gurgenidze System
Hector Gambit
Hillbilly Attack
Schaeffer Gambit
Karpov Variation
Modern Main Line
Modern Variation
Ivanchuk Defense
Kasparov Attack
Smyslov Variation
Main Line
Tiviakov-Fischer Attack
Labahn Attack
Double Gambit
Polish Variation
Main Line
Maróczy Variation
Maróczy Gambit
Masi Variation
Massachusetts Defense
Mieses Attack
Landau Gambit
Mieses Gambit
Modern Variation
Panov Attack
Fianchetto Defense
Fianchetto Gambit
Gunderam Attack
Main Line
Modern Defense
Carlsbad Line
Czerniak Line
Mieses Line
Reifir-Spielmann Line
Panov-Botvinnik
Herzog Defense
Rasa-Studier Gambit
Scorpion-Horus Gambit
Spike Variation
Scorpion-Grob Gambit
St. Patrick's Attack
Tartakower Variation
Toikkanen Gambit
Two Knights Attack
Mindeno Variation
Exchange Line
Retreat Line
Ulysses Gambit
von Hennig Gambit
Carr Defense
Zilbermints Gambit
Catalan Opening
Closed
Botvinnik Variation
Main Line
Sokolsky Variation
Spassky Gambit
Zagoryansky Variation
Closed Variation
Rabinovich Variation
Traditional Variation
Hungarian Gambit
Open Defense
Alekhine Variation
Classical Line
Modern Sharp Variation
Center Game
Berger Variation
Charousek Variation
Halasz-McDonnell Gambit
Crocodile Variation
Hall Variation
Kieseritzky Variation
Kupreichik Variation
Lanc-Arnold Gambit
Schippler Gambit
Normal Variation
Paulsen Attack Variation
Ross Gambit
l'Hermet Variation
von der Lasa Gambit
Center Game Accepted
Clemenz Opening
Spike Lee Gambit
Colle System
Pterodactyl Variation
Rhamphorhynchus Variation
Siroccopteryx Variation
Crab Opening
Creepy Crawly Formation
Classical Defense
Czech Defense
Danish Gambit
Danish Gambit Accepted
Chigorin Defense
Classical Defense
Copenhagen Defense
Schlechter Defense
Svenonius Defense
Danish Gambit Declined
Sorensen Defense
Dresden Opening
The Goblin
Duras Gambit
Dutch Defense
Alapin Variation
Alekhine Variation
Bellon Gambit
Blackburne Variation
Blackmar's Second Gambit
Bladel Variation
Classical Variation
Blackburne Attack
Buenos Aires Variation
Huisl Variation
Ilyin-Zhenevsky Variation
Alatortsev-Lisitsyn Line
Modern Main Line
Winter Variation
Fianchetto Attack
Fianchetto Variation
Hevendehl Gambit
Hopton Attack
Hort-Antoshin System
Janzen-Korchnoi Gambit
Kingfisher Gambit
Korchnoi Attack
Krause Variation
Krejcik Gambit
Tate Gambit
Leningrad
Basman System
Leningrad Variation
Karlsbad Variation
Matulovic Variation
Warsaw Variation
Manhattan Gambit
Anti-Classical Line
Anti-Leningrad
Anti-Modern
Anti-Stonewall
Nimzo-Dutch Variation
Alekhine Variation
Normal Variation
Omega-Isis Gambit
Queen's Knight Variation
Raphael Variation
Rubinstein Variation
Semi-Leningrad Variation
Senechaud Gambit
Spielmann Gambit
Staunton Gambit
Alekhine Variation
American Attack
Chigorin Variation
Lasker Variation
Nimzowitsch Variation
Tartakower Variation
Staunton Gambit Accepted
Stonewall Variation
Botvinnik Variation
Chekhover Variation
Modern Variation
Döry Defense
East Indian Defense
Elephant Gambit
Maróczy Gambit
Paulsen Countergambit
Wasp Variation
English Defense
Eastbourne Gambit
Hartlaub Gambit Accepted
Hartlaub Gambit Declined
Perrin Variation
Poli Gambit
English Opening
Achilles-Omega Gambit
Adorjan Defense
Agincourt Defense
Bogoljubov Defense
Catalan Defense
Semi-Slav Defense
Catalan Defense Accepted
Keres Defense
Kurajica Defense
Neo-Catalan Declined
Tarrasch Defense
Wimpy System
Anglo-Dutch Defense
Hickmann Gambit
Anglo-Dutch Variation
Chabanon Gambit
Ferenc Gambit
Anglo-Grünfeld Defense
Korchnoi Variation
Anglo-Indian Defense
Anglo-Grünfeld Variation
Anti-Anti-Grünfeld
Flohr-Mikenas-Carls Variation
Nei Gambit
Grünfeld Formation
Hedgehog System
King's Indian Formation
Double Fianchetto
King's Knight Variation
Nimzo-English
Old Indian Formation
Queen's Indian Formation
Queen's Indian Variation
Queen's Knight Variation
Romanishin Variation
Scandinavian Defense
Exchange Variation
Slav Formation
Zvjaginsev-Krasenkow Attack
Anglo-Lithuanian Variation
Anglo-Scandinavian Defense
Löhn Gambit
Malvinas Variation
Schulz Gambit
Carls-Bremen System
Caro-Kann Defensive System
Closed
Taimanov Variation
Drill Variation
Four Knights System
Nimzowitsch Variation
Great Snake Variation
Jaenisch Gambit
King's English
Erbenheimer Gambit
Mazedonisch
King's English Variation
Adhiban Gambit
Bellon Gambit
Botvinnik System
Prickly Pawn Pass System
Bremen-Hort Variation
Closed System
Full Symmetry
Four Knights Variation
Bradley Beach Variation
Fianchetto Line
with Bc5
with Nb6
Flexible Line
Korchnoi Line
Quiet Line
Hungarian Attack
Kahiko-Hula Gambit
Keres Defense
Kramnik-Shirov Counterattack
Nimzowitsch Variation
Nimzowitsch-Flohr Variation
Reversed Closed Sicilian
Reversed Sicilian
Smyslov Defense
Taimanov Variation
Three Knights System
Troger Defense
Two Knights Variation
Fianchetto Line
Keres Variation
Reversed Dragon
Smyslov System
Mikenas-Carls
Sicilian
Mikenas-Carls Variation
Myers Defense
Myers Gambit
Neo-Catalan
Neo-Catalan Declined
Porcupine Variation
Romanishin Gambit
Symmetrical
Hedgehog
Flexible Formation
Symmetrical Variation
Anti-Benoni Variation
Geller Variation
Spielmann Defense
Botvinnik System
Botvinnik System Reversed
with Nf3
with e3
Double Fianchetto
Duchamp Variation
Fianchetto Variation
Four Knights Variation
Full Symmetry Line
Hedgehog Defense
Mecking Variation
Napolitano Gambit
Normal Variation
Rubinstein Variation
Three Knights
Fianchetto Variation
Three Knights Variation
Two Knights
Fianchetto Variation
Two Knights Variation
Ultra-Symmetrical Variation
The Whale
Wade Gambit
Wing Gambit
Zilbermints Gambit
English Orangutan
Englund Gambit
Englund Gambit Complex
Englund Gambit
Felbecker Gambit
Hartlaub-Charlick Gambit
Mosquito Gambit
Soller Gambit
Soller Gambit Deferred
Stockholm Variation
Zilbermints Gambit
Englund Gambit Complex Declined
Diemer Counterattack
Englund Gambit Declined
Reversed Alekhine
Reversed Brooklyn
Reversed French
Reversed Krebs
Reversed Mokele Mbembe
Formation
Hippopotamus Attack
Shy Attack
Four Knights Game
Gunsberg Variation
Halloween Gambit
Oldtimer Variation
Plasma Variation
Italian Variation
Noa Gambit
Scotch Variation
Belgrade Gambit
Modern Defense
Krause Gambit
Leonhardt Defense
Oxford Gambit
Schmid Defense
Scotch Variation Accepted
Spanish Variation
Alatortsev Variation
Bardeleben Variation
Classical Variation
Double Spanish
Gunsberg Counterattack
Janowski Variation
Nimzowitsch Variation
Ranken Variation
Rubinstein Variation
Henneberger Variation
Marshall Gambit
Marshall Variation
Maróczy Variation
Rubinstein Variation Accepted
Spielmann Variation
Svenonius Variation
Symmetrical Variation
Blake Variation
Metger Unpin
Tarrasch Variation
French Defense
Advance Variation
Euwe Variation
Extended Bishop Swap
Frenkel Gambit
Lputian Variation
Main Line
Milner-Barry Gambit
Nimzowitsch Attack
Nimzowitsch Gambit
Nimzowitsch System
Paulsen Attack
Ruisdonk Gambit
Steinitz Variation
Wade Variation
Alapin Gambit
Alekhine-Chatard Attack
Albin-Chatard Gambit
Breyer Variation
Maróczy Variation
Spielmann Variation
Teichmann Variation
Baeuerle Gambit
Banzai-Leong Gambit
Pinova Gambit
Bird Invitation
Burn Variation
Carlson Gambit
Chigorin Variation
Classical Variation
Alapin Variation
Burn Variation
Main Line
Morozevich Line
Delayed Exchange Variation
Frankfurt Variation
Normal Variation
Pollock Variation
Richter Attack
Rubinstein Variation
Stahlberg Variation
Steinitz Variation
Svenonius Variation
Swiss Variation
Tarrasch Variation
Tartakower Variation
Vistaneckis Variation
Diemer-Duhm Gambit
Diemer-Duhm Gambit Accepted
Exchange Variation
Bogoljubov Variation
Monte Carlo Variation
Svenonius Variation
Franco-Hiva Gambit
Franco-Hiva Gambit Accepted
Franco-Sicilian Defense
Guimard Variation
Thunderbunny Variation
Henneberger Variation
Hoffmann Gambit
Horwitz Attack
Papa-Ticulat Gambit
King's Indian Attack
Franco-Hiva Gambit
Knight Variation
Franco-Hiva Gambit
La Bourdonnais Variation
Reuter Gambit
MacCutcheon Variation
Advance Variation
Bernstein Variation
Bogoljubov Variation
Chigorin Variation
Dr. Olland Variation
Duras Variation
Exchange Variation
Grigoriev Variation
Janowski Variation
Lasker Variation
Tartakower Variation
Wolf Gambit
Mediterranean Defense
Morphy Gambit
Normal Variation
Orthoschnapp Gambit
Paulsen Variation
Pelikan Variation
Perseus Gambit
Queen's Knight
Reversed Philidor Formation
Rubinstein Variation
Blackburne Defense
Capablanca Line
Ellis Gambit
Fort Knox Variation
Kasparov Attack
Maric Variation
Réti-Spielmann Attack
Schlechter Variation
St. George Defense
Sanky-George Gambit
St. George Gambit
Three Pawn Attack
Traditional Line
Steiner Variation
Steinitz Attack
Steinitz Variation
Boleslavsky Variation
Bradford Attack Variation
Brodsky-Jones Variation
Gledhill Attack
Tarrasch Variation
Botvinnik Variation
Chistyakov Defense
Modern Line
Closed Variation
Main Line
Eliskases Variation
Guimard Defense
Main Line
Haberditz Variation
Leningrad Variation
Modern System
Morozevich Variation
Open System
Advance Line
Euwe-Keres Line
Main Line
Shaposhnikov Gambit
Süchting Line
Pawn Center Variation
Two Knights Variation
Winawer Variation
Advance Variation
Moscow Variation
Alekhine Gambit
Alatortsev Variation
Kan Variation
Alekhine Gambit Accepted
Alekhine-Maróczy Gambit
Bogoljubov Variation
Icelandic Defense
Classical Variation
Delayed Exchange Variation
Exchange Variation
Canal Attack
Fingerslip Variation
Kunin Double Gambit
Main Line
Schwarz's Line
Kondratiyev Variation
Maróczy-Wallis Variation
Petrosian Variation
Poisoned Pawn Variation
Main Line
Paoli Variation
Portisch-Hook Variation
Positional Variation
Retreat Variation
Armenian Line
Winckelmann-Riemer Gambit
Wing Gambit
Fried Fox Defense
Global Opening
Goldsmith Defense
Picklepuss Defense
Grob Opening
Alessi Gambit
Double Grob
Coca-Cola Gambit
Grob Gambit
Basman Gambit
Fritz Gambit
Romford Countergambit
Keres Gambit
Richter-Grob Gambit
Grob Gambit Declined
Keene Defense
Main Line
London Defense
Romford Countergambit
Spike
Hurst Attack
Spike Attack
Zilbermints Gambit
Schiller Defense
Zilbermints-Hartlaub Gambit
Grünfeld Defense
Botvinnik Variation
Brinckmann Attack
Grünfeld Gambit
Botvinnik Variation
Capablanca Variation
Grünfeld Gambit Accepted
Reshevsky Gambit
Counterthrust Variation
Exchange Variation
Classical Variation
Larsen Variation
Modern Exchange Variation
Kramnik's Line
Pawn Grab Line
Nadanian Attack
Seville Variation
Simagin's Improved Variation
Simagin's Lesser Variation
Sokolsky Variation
Spassky Variation
Flohr Defense
Flohr Variation
Gibbon Gambit
Lundin Variation
Lutikov Variation
Murrey Attack
Makogonov Variation
Opocensky Variation
Pachman Variation
Russian Variation
Accelerated Variation
Byrne Variation
Hungarian Variation
Keres Variation
Levenfish Variation
Prins Variation
Smyslov Variation
Szabo Variation
Yugoslav Variation
Smyslov Defense
Stockholm Variation
Three Knights Variation
Burille Variation
Reversed Tarrasch
Hungarian Attack
Hungarian Variation
Paris Variation
Petrosian System
Vienna Variation
Zaitsev Gambit
Guatemala Defense
Gunderam Defense
Hippopotamus Defense
Horwitz Defense
Zilbermints Gambit
Hungarian Opening
Asten Gambit
Burk Gambit
Bücker Gambit
Catalan Formation
Dutch Defense
Indian Defense
Myers Defense
Pachman Gambit
Paris Gambit
Reversed Alekhine
Reversed Brooklyn Defense
Brooklyn Benko Gambit
Reversed Modern Defense
Reversed Norwegian Defense
Sicilian Invitation
Slav Formation
Symmetrical Variation
Van Kuijk Gambit
Wiedenhagen-Beta Gambit
Winterberg Gambit
Indian Defense
Anti-Grünfeld
Adorjan Gambit
Advance Variation
Alekhine Variation
Leko Gambit
Basman-Williams Attack
Anti-Nimzo-Indian
Budapest Defense
Adler Variation
Alekhine Variation
Abonyi Variation
Tartakower Defense
Fajarowicz Defense
Bonsdorf Variation
Fajarowicz Variation
Fajarowicz-Steiner Variation
Rubinstein Variation
Colle System
King's Indian Variation
Czech-Indian
Devin Gambit
Dzindzi-Indian Defense
Döry Indian
Gedult Attack
Gedult Attack
Gibbins-Weidenhagen Gambit
Maltese Falcon
Oshima Defense
Stummer Gambit
Gibbins-Weidenhagen Gambit Accepted
King's Indian Variation
Fianchetto Variation
Knights Variation
Alburt-Miles Variation
Lazard Gambit
London System
Maddigan Gambit
Medusa Gambit
Normal Variation
Omega Gambit
Arafat Gambit
Paleface Attack
Blackmar-Diemer Gambit Deferred
Pawn Push Variation
Polish Variation
Przepiorka Variation
Pseudo-Benko
Pyrenees Gambit
Reversed Chigorin Defense
Schnepper Gambit
Seirawan Attack
Spielmann-Indian
Tartakower Attack
Wade-Tartakower Defense
West Indian Defense
Irish Gambit
Italian Game
Anti-Fried Liver Defense
Bird's Attack
Blackburne-Kostić Gambit
Classical Variation
Albin Gambit
Center Attack
Center Holding Variation
Closed Variation
Eisinger Variation
Ghulam-Kassim Variation
Giuoco Pianissimo
Albin Variation
Main Line
with a6
with d6
with h6
Greco Gambit
Anderssen Variation
Greco Variation
Main Line
Moeller-Bayonet Attack
Moeller-Therkatz Attack
Traditional Line
La Bourdonnais Variation
Mestel Variation
Tarrasch Variation
Deutz Gambit
Evans Gambit
Alapin-Steinitz Variation
Anderssen Defense
Anderssen Variation
Cordel Line
Bronstein Defense
Compromised Defense
Main Line
Potter Variation
Dufresne Defense
Fontaine Countergambit
Fraser Attack
Fraser-Mortimer Attack
Göring Attack
Harding Variation
Hein Countergambit
Johner Defense
Laroche Variation
Lasker Defense
Leonhardt Countergambit
Levenfish Variation
Main Line
Mayet Defense
McDonnell Defense
Main Line
Mieses Defense
Morphy Attack
Mortimer-Evans Gambit
Paulsen Variation
Pierce Defense
Richardson Attack
Sanders-Alapin Variation
Slow Variation
Sokolsky Variation
Steinitz Variation
Stone-Ware Variation
Tartakower Attack
Ulvestad Variation
Waller Attack
Evans Gambit Accepted
Evans Gambit Declined
Cordel Variation
Hicken Variation
Hirschbach Variation
Lange Variation
Pavlov Variation
Showalter Variation
Vasquez Variation
Giuoco Pianissimo
Canal Variation
Dubois Variation
Italian Four Knights Variation
Lucchini Gambit
Normal
Giuoco Piano
Aitken Variation
Bernstein Variation
Cracow Variation
Greco's Attack
Holzhausen Attack
Krause Variation
Rosentreter Variation
Steinitz Variation
Therkatz-Herzog Variation
Hungarian Defense
Tartakower Variation
Jerome Gambit
Paris Defense
Rosentreter Gambit
Rousseau Gambit
Scotch Gambit
Anderssen Attack
Main Line
Canal Variation
Double Gambit Accepted
Janowski Defense
Max Lange Attack
Long Variation
Spielmann Defense
Max Lange Attack Accepted
Nakhmanson Gambit
Walbrodt-Baird Gambit
de Riviere Defense
Scotch Invitation Declined
Two Knights Defense
Blackburne Variation
Colman Variation
Fegatello Attack
Leonhardt Variation
Fried Liver Attack
Fritz
Gruber Variation
Fritz Variation
Keidansky Variation
Kloss Gambit
Knight Attack
Normal Variation
Knorre Variation
Lolli Attack
Maróczy Variation
Max Lange Attack
Berger Variation
Krause Variation
Loman Defense
Rubinstein Variation
Modern Bishop's Opening
Open Variation
Paoli Variation
Perreux Variation
Pincus Variation
Polerio Defense
Bishop Check Line
Bogoljubov Variation
Göring Variation
Kieseritzky Variation
Suhle Defense
Yankovich Variation
Ponziani-Steinitz Gambit
Steinitz Variation
Traxler Counterattack
Bishop Sacrifice Line
King March Line
Knight Sacrifice Line
Traxler Variation
Trencianske-Teplice Gambit
Ulvestad Variation
Kurkin Gambit
Yurdansky Attack
Kangaroo Defense
Keres Defense
Transpositional Variation
King's Gambit
King's Gambit Accepted
Abbazia Defense
Main Line
Allgaier
Blackburne Gambit
Cook Variation
Horny Defense
Schlechter Defense
Urusov Attack
Allgaier Gambit
Thorold Attack
Urusov Attack
Australian Gambit
Basman Gambit
Becker Defense
Bishop's Gambit
Anderssen Defense
Anderssen Variation
Bledow Countergambit
Bledow Variation
Boden Variation
Bogoljubov Defense
Bogoljubov Variation
Boren-Svenonius Variation
Bryan Countergambit
Chigorin's Attack
Classical Defense
Cozio Attack
Cozio Defense
Cozio Variation
First Jaenisch Variation
Fraser Variation
Gianutio Gambit
Greco Variation
Grimm Attack
Kieseritzky Gambit
Lopez Defense
Lopez Variation
Maurian Defense
McDonnell Attack
Paulsen Attack
Steinitz Defense
Blachly Gambit
Bonsch-Osmolovsky Variation
Breyer Gambit
Carrera Gambit
Cunningham Defense
Bertin Gambit
McCormick Defense
Dodo Variation
Double Muzio Gambit
Baldwin Gambit
Bello Gambit
Paulsen Defense
Young Gambit
Eisenberg Variation
Fischer Defense
Schulder Gambit
Spanish Variation
Gaga Gambit
Ghulam-Kassim Gambit
Gianutio Countergambit
Greco Gambit
Hanstein Gambit
Kieseritzky
Long Whip Defense
Jaenisch Variation
Polerio Defense
Rice Gambit
Salvio Defense
Cozio Variation
Kieseritzky Gambit
Anderssen Defense
Anderssen-Cordel Gambit
Berlin Defense
Rubinstein Variation
de Riviere Variation
Brentano Defense
Caro Variation
Cotter Gambit
Kolisch Defense
Long Whip
Neumann Defense
Paulsen Defense
Paulsen Defense Deferred
Rice Gambit
Rosenthal Defense
King's Knight's Gambit
Kotov Gambit
Lolli Gambit
Young Variation
Lopez-Gianutio Countergambit
Hein Variation
MacLeod Defense
Mason-Keres Gambit
Mayet Gambit
McDonnell Gambit
Middleton Countergambit
Modern Defense
Muzio Gambit
Brentano Defense
Holloway Defense
Kling and Horwitz Counterattack
Sarratt Defense
Wild Muzio Gambit
Muzio Gambit Accepted
From's Defense
Orsini Gambit
Paris Gambit
Philidor Gambit
Schultz Variation
Polerio Gambit
Quade Gambit
Rosentreter Gambit
Bird Gambit
Sörensen Gambit
Testa Variation
Salvio Gambit
Anderssen Counterattack
Cochrane Gambit
Santa Maria Defense
Silberschmidt Defense
Viennese Variation
Schallopp Defense
Tashkent Attack
Schurig Gambit
with Bb5
with Bd3
Silberschmidt Gambit
Stamma Gambit
Sörensen Gambit
Tartakower Gambit
Weiss Defense
Traditional Variation
Tumbleweed
Wagenbach Defense
King's Gambit Declined
Classical
Hanham Variation
Réti Variation
Soldatenkov Variation
Svenonius Variation
Classical Variation
Euwe Attack
Rotlewi Countergambit
Rubinstein Countergambit
Falkbeer Countergambit
Alapin Variation
Anderssen Attack
Blackburne Attack
Charousek Gambit
Keres Variation
Main Line
Morphy Defense
Old Line
Charousek Gambit Accepted
Charousek Variation
Hinrichsen Gambit
Miles Gambit
Milner-Barry Variation
Modern Transfer
Nimzowitsch-Marshall Countergambit
Pickler Gambit
Rubinstein Variation
Staunton Line
Tarrasch Variation
Falkbeer Countergambit Accepted
Hobbs-Zilbermints Gambit
Keene Defense
Keene's Defense
Mafia Defense
Miles Defense
Norwalde Variation
Bücker Gambit
Schubert Variation
Panteldakis Countergambit
Greco Variation
Pawn Sacrifice Line
Schiller's Defense
Shirazi Line
Symmetrical Variation
Petrov's Defense
Queen's Knight Defense
Senechaud Countergambit
Soller-Zilbermints Gambit
Zilbermints Double Countergambit
Zilbermints Double Gambit
King's Indian Attack
Double Fianchetto
French Variation
Keres Variation
Omega-Delta Gambit
Pachman System
Sicilian Variation
Smyslov Variation
Spassky Variation
Symmetrical Defense
Wahls Defense
Yugoslav Variation
King's Indian Defense
Accelerated Averbakh Variation
Averbakh Variation
Benoni Defense
Advance Variation
Exchange Variation
Flexible Defense
Geller Defense
Main Line
Modern Defense
Burgess Line
Nc6 Defense
Spanish Defense
Exchange Variation
Fianchetto Variation
Benjamin Defense
Classical Fianchetto
Classical Main Line
Classical Variation
Debrecen Defense
Delayed Fianchetto
Double Fianchetto Attack
Hungarian Variation
Immediate Fianchetto
Karlsbad Variation
Kavalek Defense
Larsen Defense
Lesser Simagin (Spassky)
Long Variation
Panno Variation
Blockade Line
Donner Line
Korchnoi Line
Pterodactyl Variation
Simagin Variation
Uhlmann-Szabo System
Yugoslav System
Yugoslav Variation
Advance Line
Exchange Line
Rare Line
Four Pawns Attack
Dynamic Attack
Exchange Variation
Florentine Gambit
Fluid Attack
Modern Defense
Normal Attack
Kazakh Variation
Kramer Variation
Larsen Variation
Makogonov Variation
Normal Variation
Deferred Fianchetto
King's Knight Variation
Rare Defenses
Standard Development
Orthodox Variation
Aronin-Taimanov Defense
Bayonet Attack
Sokolov's Line
Yepishin's Line
Classical System
Benko Attack
Kozul Gambit
Neo-Classical Line
Traditional Line
Donner Defense
Glek Defense
Gligoric-Taimanov System
Korchnoi Attack
Modern System
Positional Defense
Closed Line
Main Line
Ukrainian Defense
Petrosian Variation
Keres Defense
Normal Defense
Stein Defense
Pomar System
Santasiere Variation
Semi-Averbakh System
Semi-Classical Variation
Benoni Variation
Exchange Variation
Hollywood Variation
Queenside Storm Line
Six Pawns Attack
Smyslov Variation
Steiner Attack
Sämisch Variation
Bobotsov-Korchnoi-Petrosian Variation
Bronstein Defense
Byrne Defense
Closed Variation
Main Line
Double Fianchetto
Normal Defense
Orthodox Variation
Bronstein Variation
Panno Formation
Panno Main Line
Ruban Variation
Sämisch Gambit
Yates Defense
Zinnowitz Variation
King's Knight Opening
Konstantinopolsky
Normal Variation
King's Pawn Game
Alapin Opening
Bavarian Gambit
Beyer Gambit
Busch-Gass Gambit
Chiodini Gambit
Clam Variation
King's Gambit Reversed
Radisch Gambit
Damiano Defense
Damiano Gambit
Chigorin Gambit
Dresden Opening
Gunderam Defense
Gunderam Gambit
Gunderam Gambit
King's Head Opening
La Bourdonnais Gambit
Leonardis Variation
MacLeod Attack
Lasa Gambit
Norwalde Gambit
Maróczy Defense
McConnell Defense
Mengarini's Opening
Napoleon Attack
Pachman Wing Gambit
Philidor Gambit
Schulze-Müller Gambit
Tayler Opening
Basman Gambit
Inverted Hanham
Tortoise Opening
Wayward Queen Attack
Kiddie Countergambit
Mellon Gambit
Weber Gambit
King's Pawn Opening
Speers
Van Hooydoon Gambit
Kádas Opening
Beginner's Trap
Kádas Gambit
Myers Variation
Schneider Gambit
Steinbok Gambit
Lasker Simul Special
Latvian Gambit
Behting Variation
Clam Gambit
Corkscrew Countergambit
Corkscrew Gambit
Diepstraten Countergambit
Fraser Defense
Greco Variation
Lobster Gambit
Mason Countergambit
Mayet Attack
Morgado Defense
Poisoned Pawn Variation
Polerio-Svedenborg Variation
Strautins Gambit
Mlotkowski Variation
Senechaud Gambit
Latvian Gambit Accepted
Bilguer Variation
Bronstein Attack
Bronstein Gambit
Foltys Variation
Foltys-Leonhardt Variation
Leonhardt Variation
Main Line
Nimzowitsch Attack
Lemming Defense
Lion Defense
Anti-Philidor
Lion's Cave
Lion Claw Gambit
Bayonet Attack
Lion's Jaw
London System
Poisoned Pawn Variation
Marienbad System
Berg Variation
Mexican Defense
Horsefly Gambit
Mieses Opening
Myers Spike Attack
Reversed Rat
Mikenas Defense
Cannstatter Variation
Lithuanian Variation
Pozarek Gambit
Modern Defense
Anti-Modern
Averbakh System
Averbakh Variation
Pseudo-Sämisch
Beefeater Variation
Bishop Attack
Bücker Gambit
Monkey's Bum
Dunworthy Variation
Fianchetto Gambit
Geller's System
Gurgenidze Defense
Kotov Variation
Lizard Defense
Mittenberger Gambit
Pirc-Diemer Gambit
Masur Gambit
Modern Pterodactyl
Mongredien Defense
with Nc3
with Nf3
Neo-Modern Defense
Norwegian Defense
Norwegian Gambit
Pseudo-Austrian Attack
Pterodactyl Variation
Randspringer Variation
Semi-Averbakh Variation
Polish Variation
Pterodactyl Variation
Pterodactyl Variation Accepted
Pterodactyl Variation Declined
Standard Defense
Standard Line
Three Pawns Attack
Two Knights Variation
Suttles Variation
Tal Gambit
Westermann Gambit
Wind Gambit
Montevideo Defense
Neo-Grünfeld Defense
Classical Variation
Modern Defense
Original Defense
Polgar Variation
Delayed Exchange Variation
Exchange Variation
Goglidze Attack
Ultra-Delayed Exchange Variation
with Nf3
with g3
Nimzo-Indian Defense
Classical Variation
Belyavsky Gambit
Berlin Variation
Macieja System
Pirc Variation
Steiner Variation
Keres Defense
Milner-Barry Variation
Noa Variation
Botvinnik Variation
Main Line
San Remo Variation
Vitolins-Adorjan Gambit
Zurich Variation
Fischer Variation
Hübner Variation
Main Line
Rubinstein Variation
Main Line
Sherbakov Attack
Kmoch Variation
Leningrad Variation
Averbakh Gambit
Benoni Defense
Mikenas Attack
Normal Line
Normal Variation
Bernstein Defense
Exchange Line
Bishop Attack
Classical Defense
Botvinnik System
Bronstein (Byrne) Variation
Gligoric System
Bernstein Defense
Bronstein Variation
Exchange Variation
Keres Variation
Smyslov Variation
Hübner Deferred
Ragozin Variation
Schlechter Defense
Sämisch Deferred
Taimanov Variation
Ragozin Defense
Ragozin Variation
Reshevsky Variation
Romanishin Variation
English Hybrid
Simagin Variation
Spielmann Variation
Karlsbad Variation
Romanovsky Gambit
Stahlberg Variation
St. Petersburg Variation
with Ne4
Sämisch Variation
Accelerated
Botvinnik Variation
Capablanca Variation
Keres Variation
O'Kelly Variation
Romanovsky Variation
Three Knights Variation
Duchamp Variation
Modern Line
Euwe Variation
Korchnoi Variation
Shocron Gambit
Nimzo-Larsen Attack
Classical Variation
Dutch Variation
English Variation
Graz Attack
Indian Variation
Modern Variation
Norfolk Gambit
Pachman Gambit
Polish Variation
Ringelbach Gambit
Spike Variation
Symmetrical Variation
Nimzowitsch Defense
Breyer Variation
Colorado Countergambit
Colorado Countergambit Accepted
Declined Variation
El Columpio Defense
El Columpio Gambit
Exchange Variation
Pin Variation
Franco-Nimzowitsch Variation
French Connection
Hornung Gambit
Kennedy Variation
Bielefelder Gambit
Hammer Gambit
Herford Gambit
Keres Attack
Linksspringer Variation
Main Line
Paulsen Attack
Riemann Defense
de Smet Gambit
Mikenas Variation
Neo-Mongoloid Defense
Pirc Connection
Pseudo-Spanish Variation
Scandinavian Variation
Aachen Gambit
Advance Variation
Bogoljubov Variation
Brandics Gambit
Erben Gambit
Heinola-Deppe Gambit
Nimzowitsch Gambit
Richter Gambit
Vehre Variation
Exchange Variation
Marshall Gambit
Wheeler Gambit
Williams Variation
Woodchuck Variation
Norwegian Defense
Old Indian Defense
Aged Gibbon Gambit
Czech Variation
with Nc3
with Nf3
Duz-Khotimirsky Variation
Janowski Variation
Fianchetto Variation
Grinberg Gambit
Main Line
Normal Variation
Tartakower-Indian
Two Knights Variation
Ukrainian Variation
Owen Defense
Hekili-Loa Gambit
Matovinsky Gambit
Naselwaus Gambit
Smith Gambit
Unicorn Variation
Wind Gambit
Paleface Attack
Philidor Defense
Albin-Blackburne Gambit
Berger Variation
Bird Gambit
Boden Variation
Exchange Variation
Hanham
Kmoch Variation
Hanham Variation
Delmar Variation
Krause Variation
Schlechter Variation
Sharp Variation
Steiner Variation
Larsen Variation
Lion Variation
Bishop Sacrifice
Delayed Bishop Sacrifice
Forcing Line
Lion's Claw
with Bc4 and h6
with Be2 and c6
Shirov Gambit
Sozin Variation
Lopez Countergambit
Jaenisch Variation
Morphy Gambit
Nimzowitsch
Larobok Variation
Locock Variation
Nimzowitsch Variation
Klein Variation
Rellstab Variation
Sokolsky Variation
Paulsen Attack
Philidor Countergambit
Berger Variation
Zukertort Variation
del Rio Attack
Philidor Gambit
Steinitz Variation
Pirc Defense
150 Attack
Inner Doll Defense
Sveshnikov-Jansa Attack
Austrian Attack
Dragon Formation
Kurajica Variation
Ljubojevic Variation
Unzicker Attack
Bronstein Variation
Weiss Variation
Bayonet Attack
Byrne Variation
Chinese Variation
Classical Variation
Quiet System
Chigorin Line
Czech Defense
Parma Defense
Schlechter Variation
Kholmov System
Roscher Gambit
Sveshnikov System
Polish Defense
Spassky Gambit Accepted
Polish Opening
Baltic Defense
Birmingham Gambit
Bugayev Advance Variation
Bugayev Attack
Czech Defense
Dutch Defense
German Defense
Grigorian Variation
Karniewski Variation
King's Indian Variation
Schiffler Attack
Sokolsky Attack
Myers Variation
Outflank Variation
Queen's Indian Variation
Queenside Defense
Rooks Swap Line
Schiffler-Sokolsky Variation
Schuehler Gambit
Symmetrical Variation
Tartakower Gambit
Wolferts Gambit
Zukertort System
Ponziani Opening
Caro Gambit
Jaenisch Counterattack
Leonhardt Variation
Neumann Gambit
Ponziani Countergambit
Schmidt Attack
Romanishin Variation
Réti Variation
Spanish Variation
Harrwitz Attack
Nikitin Gambit
Steinitz Variation
Vukovic Gambit
Portuguese Opening
Miguel Gambit
Portuguese Gambit
Pseudo Queen's Indian Defense
Pterodactyl Defense
Austrian
Austriadactylus Western
Grand Prix Pterodactyl
Pteranodon
Central
Anhanguera
Benoni Beefeater Pterodactyl
Benoni Pterodactyl
Benoni Quetzalcoatlus
Bogolubovia
Quetzalcoatlus Gambit
Eastern
Anhanguera
Benoni
Benoni Pteranodon
Benoni Pterodactyl
Pteranodon
Pterodactyl
Rhamphorhynchus
Fianchetto
King Pterodactyl
Queen Benoni Pterodactyl
Queen Pteranodon
Queen Pterodactyl
Rhamphorhynchus
Queen Pterodactyl
Quiet Line
Sicilian
Anhanguera
Benoni Gambit
Pteranodon
Quetzalcoatlus
Rhamphorhynchus
Siroccopteryx
Unpin
Western
Anhanguera
Pterodactyl
Rhamphorhynchus
Siroccopteryx
Queen's Gambit
Queen's Gambit Accepted
Accelerated Mannheim Variation
Alekhine Defense
Alatortsev Variation
Borisenko-Furman Variation
Haberditz Variation
Bogoljubov Defense
Central Variation
Alekhine System
Greco Variation
McDonnell Defense
Somov Gambit
Modern Defense
Rubinstein Defense
Yefimov Gambit
Classical
Flohr Variation
Furman Variation
Classical Defense
Alekhine System
Main Line
Smyslov Variation
Main Line
Normal Line
Rubinstein Variation
Russian Gambit
Steinitz Variation
Development Variation
Exchange Variation
Furman Variation
Godes Variation
Gunsberg Defense
Prianishenmo Gambit
Janowski-Larsen Variation
Linares Variation
Mannheim Variation
Normal Variation
Traditional System
Old Variation
Billinger Gambit
Christensen Gambit
Korchnoi Gambit
Novikov Gambit
Rosenthal Variation
Saduleto Variation
Schwartz Defense
Showalter Variation
Slav Gambit
Smyslov Variation
Winawer Defense
Queen's Gambit Declined
Alapin Variation
Albin Countergambit
Balogh Variation
Fianchetto Variation
Be6 Line
Bf5 Line
Bg4 Line
Janowski Variation
Krenosz Variation
Lasker Trap
Modern Line
Normal Line
Tartakower Defense
Alekhine Variation
Anti-Tartakower Variation
Petrosian Variation
Austrian Attack
Salvio Countergambit
Austrian Defense
Gusev Countergambit
Haberditz Variation
Baltic Defense
Argentinian Gambit
Pseudo-Chigorin
Pseudo-Slav
Queen Attack
Queen Attack Deferred
Barmen Variation
Been-Koomen Variation
Cambridge Springs Defense
Argentine Variation
Bogoljubov Variation
Capablanca Variation
Rubinstein Variation
Yugoslav Variation
Capablanca Variation
Anti-Cambridge Springs Variation
Charousek Variation
Miladinovic Gambit
Chigorin Defense
Exchange Variation
Costa's Line
Janowski Variation
Lazard Gambit
Main Line
Alekhine Variation
Modern Gambit
Tartakower Gambit
Exchange Variation
Chameleon Variation
Positional Variation
Reshevsky Variation
Sämisch Variation
Harrwitz Attack
Fianchetto Defense
Main Line
Orthodox Defense
Two Knights Defense
Blockade Line
Hastings Variation
Janowski Variation
Knight Defense
Alekhine Gambit
Lasker Defense
Bernstein Variation
Mar del Plata Gambit
Main Line
Russian Variation
Teichmann Variation
Manhattan Variation
Marshall Defense
Tan Gambit
Miles Variation
Modern Variation
Heral Variation
Knight Defense
Normal Line
Neo-Orthodox Variation
Main Line
Normal Defense
Orthodox Defense
Alekhine Variation
Bd3 Line
Botvinnik Variation
Capablanca System
Capablanca Variation
Classical Variation
Fianchetto Variation
Henneberger Variation
Janowski Variation
Main Line
Pillsbury Variation
Rauzer Variation
Rubinstein Attack
Rubinstein Variation
Flohr Line
Swiss
Karlsbad Variation
Pillsbury Attack
Pseudo-Tarrasch Variation
Canal Variation
Primitive Pillsbury Variation
Queen's Knight Variation
Ragozin Defense
Alekhine Variation
Vienna Variation
Rochlin Variation
Semi-Slav
Abrahams Variation
Junge Variation
Koomen Variation
Semi-Tarrasch Defense
Exchange Variation
Kmoch Variation
Krause Variation
Levenfish Variation
Main Line
Pillsbury Variation
San Sebastian Variation
Symmetrical Variation
Semmering Variation
Spielmann Variation
Stonewall Variation
Tarrasch Defense
Pseudo-Tarrasch
Pseudo-Tarrasch Bishop Attack
Stoltz Variation
Tartakower Defense
Exchange Variation
Makogonov Exchange Variation
Three Knights
Vienna Variation
Three Knights Variation
Traditional Variation
Uhlmann Variation
Vienna Variation
Quiet Variation
Westphalian Variation
Zilbermints Gambit
Queen's Indian Accelerated
Queen's Indian Defense
Anti-Queen's Indian System
Averbakh Variation
Buerger Variation
Capablanca Variation
Classical Variation
Polugaevsky Gambit
Taimanov Gambit
Tiviakov Defense
Traditional Variation
Main Line
Nimzowitsch Line
Euwe Variation
Fianchetto Variation
Check Variation
Intermezzo Line
Modern Line
Kramnik Variation
Nimzowitsch Variation
Nimzowitsch Attack
Quiet Line
Timman's Line
Rubinstein Variation
Sämisch Variation
Traditional Line
Kasparov Variation
Botvinnik Attack
Kasparov-Petrosian Variation
Andersson Variation
Classical Variation
Hedgehog Variation
Kasparov Attack
Main Line
Marco Defense
Modern Variation
Petrosian Attack
Polovodin Gambit
Rashkovsky Attack
Romanishin Attack
Miles Variation
Opocensky Variation
Petrosian Variation
Farago Defense
Riumin Variation
Spassky System
Traditional Variation
Yates Variation
Queen's Pawn Game
Accelerated London System
Steinitz Countergambit
Morris Countergambit
Morris Countergambit Accepted
Steinitz Countergambit Accepted
Anglo-Slav Opening
Anti-Torre
Barry Attack
Grünfeld Variation
Chandler Gambit
Chigorin Variation
Alburt Defense
Anti-Veresov
Fianchetto Defense
Irish Gambit
Shaviliuk Gambit
Shropshire Defense
Colle System
Anti-Colle
Grünfeld Formation
Traditional Colle
Hübsch Gambit
Krause Variation
Levitsky Attack
Euwe Variation
Modern Line
Welling Variation
Liedmann Gambit
London System
Pterodactyl Variation
with e6
Mason Attack
Modern Defense
Stonewall Attack
Symmetrical Variation
Pseudo-Catalan
Torre Attack
Breyer Variation
Gossip Variation
Grünfeld Variation
Main Line
Veresov
Richter Attack
Veresov Attack
Classical Defense
Dutch System
Zilbermints Countergambit
Zukertort Variation
Zurich Gambit
Queen's Pawn, Mengarini Attack
Rapport-Jobava System
Rapport-Jobava System, with e6
Rat Defense
Accelerated Gurgenidze
Antal Defense
Balogh Defense
English Rat
Lisbon Gambit
Pounds Gambit
Fuller Gambit
Harmonist
Petruccioli Attack
Small Center Defense
Spike Attack
Richter-Veresov Attack
Boyce Defense
Malich Gambit
Richter Variation
Two Knights System
Grünfeld Defense
Veresov Variation
Robatsch Defense
Rubinstein Opening
Bogoljubov Defense
Classical Defense
Semi-Slav Defense
Russian Game
Classical Attack
Berger Variation
Chigorin Variation
Browne Attack
Main Line
Closed Variation
Jaenisch Variation
Krause Variation
Marshall Trap
Marshall Variation
Chinese Gambit
Maróczy Variation
Mason Variation
Mason-Showalter Variation
Staunton Variation
Tarrasch Variation
Cochrane Gambit
Bishop Check Line
Center Variation
Cozio Attack
Damiano Variation
Kholmov Gambit
French Attack
Italian Variation
Karklins-Martinovsky Variation
Kaufmann Attack
Millennium Attack
Modern Attack
Bardeleben Variation
Center Attack
Center Variation
Murrey Variation
Steinitz Variation
Symmetrical Variation
Tal Gambit
Trifunovic Variation
Moody Gambit
Nimzowitsch Attack
Paulsen Attack
Stafford Gambit
Three Knights Game
Ruy Lopez
Alapin Defense
Alapin Gambit
Berlin Defense
Anderssen Variation
Berlin Wall
Beverwijk Variation
Closed Bernstein Variation
Closed Showalter Variation
Closed Wolf Variation
Cordel Variation
Duras Variation
Fishing Pole Variation
Hedgehog Variation
Improved Steinitz Defense
Kaufmann Variation
Minckwitz Variation
Mortimer Trap
Mortimer Variation
Nyholm Attack
Pillsbury Variation
Rio Gambit Accepted
Rio de Janeiro Variation
Rosenthal Variation
Tarrasch Trap
Trifunovic Variation
Winawer Attack
Zukertort Variation
l'Hermet Variation
Berlin Wall Defense
Westerinen Line
Bird Variation
Paulsen Variation
Bird's Defense Deferred
Brentano Gambit
Brix Variation
Bulgarian Variation
Central Countergambit
Classical Defense
Benelux Variation
Boden Variation
Zaitsev Variation
Classical Variation
Central Variation
Charousek Variation
Cordel Gambit
Konikowski Gambit
Modern Main Line
Spanish Wing Gambit
Zukertort Gambit
Closed
Alekhine Gambit
Anti-Marshall
Averbakh Variation
Balla Variation
Basque Gambit
Bogoljubov Variation
Borisenko Variation
Breyer
Breyer Defense
Quiet Variation
Zaitsev Hybrid
Center Attack
Basque Gambit
Chigorin
Yugoslav System
Chigorin Defense
Panov System
Delayed Exchange
Flohr System
Karpov Variation
Kecskemet Variation
Keres Defense
Kholmov Variation
Leonhardt Variation
Lutikov Variation
Martinez Variation
Morphy Attack
Pilnik Variation
Rosen Attack
Rossolimo Defense
Smyslov Defense
Smyslov-Breyer-Zaitsev Hybrid
Suetin Variation
Trajkovic Counterattack
Worrall Attack
Castling Line
Delayed Castling Line
Yates Variation
Short Attack
Zaitsev System
Closed Berlin Defense
Chigorin Variation
Cozio Defense
Paulsen Variation
Tartakower Gambit
Exchange
Alekhine Variation
Exchange Variation
Alapin Gambit
Alekhine Variation
Bronstein Variation
Gligoric Variation
Keres Variation
King's Bishop Variation
Lutikov Variation
Normal Variation
Romanovsky Variation
Fianchetto Defense
Kevitz Gambit
Halloween Attack
Lucena Variation
Marshall Attack
Main Line
Spassky Variation
Modern Main Line
Modern Variation
Original Marshall Attack
Re3 Variation
Steiner Variation
Morphy Defense
Alapin's Defense Deferred
Anderssen Variation
Arkhangelsk Variation
Bayreuth Variation
Caro Variation
Classical Defense Deferred
Cozio Defense
Duras Variation
Fianchetto Defense Deferred
Graz Variation
Jaffe Gambit
Mackenzie Variation
Modern Steinitz Defense
Fianchetto Variation
Siesta Variation
Neo-Arkhangelsk Variation
Norwegian Variation
Nightingale Gambit
Schliemann Defense Deferred
Jaenisch Gambit Deferred
Steinitz Deferred
Tarrasch Variation
Tartakower Variation
Wing Attack
Wormald Attack
Noah's Ark Trap
Nürnberg Variation
Old Steinitz Defense
Semi-Duras Variation
Open
Berger Variation
Berlin Variation
Bernstein Variation
Luther Line
Breslau Variation
Classical Defense
Main Line
Dilworth Variation
Friess Attack
Harksen Gambit
Howell Attack
Ekstrom Variation
Italian Variation
Karpov Gambit
Knorre Variation
Main Line
Malkin Variation
Motzko Attack
Nenarokov Variation
Richter Variation
Riga Variation
Schlechter Defense
Skipworth Gambit
St. Petersburg Variation
Tarrasch Trap
Zukertort Variation
Open Berlin Defense
Showalter Variation
l'Hermet Variation
Pollock Defense
Rabinovich Variation
Retreat Variation
Rotary-Albany Gambit
Schliemann Defense
Classical Variation
Dyckhoff Variation
Exchange Variation
Jaenisch Gambit Accepted
Kostić Defense
Möhring Variation
Schönemann Attack
Tartakower Variation
Spanish Countergambit
Harding Countergambit
Fricke Gambit
Harding Gambit
Steinitz Defense
Center Gambit
Nimzowitsch Attack
Steinitz Defense Deferred
Boleslavsky Variation
Lipnitsky Variation
Vinogradov Variation
Wormald Attack
Grünfeld Variation
Réti Opening
Advance Variation
Michel Gambit
Anglo-Slav Variation
Bled Variation
Bogoljubov Variation
Stonewall Line
Capablanca Variation
London Defensive System
New York System
Torre System
Penguin Variation
Reversed Blumenfeld Gambit
Réti Accepted
Réti Gambit
Keres Variation
Zilbermints Gambit
Saragossa Opening
Scandinavian Defense
Anderssen Counterattack
Collijn Variation
Goteborg System
Orthodox Attack
Blackburne Gambit
Blackburne-Kloosterboer Gambit
Boehnke Gambit
Bronstein Variation
Classical Variation
Grünfeld Variation
Gubinsky-Melts Defense
Icelandic-Palme Gambit
Kiel Variation
Kloosterboer Gambit
Kádas Gambit
Lasker Variation
Main Line
Leonhardt Gambit
Mieses Variation
Marshall Variation
Mieses-Kotroc Variation
Modern Variation
Gipslis Variation
Wing Gambit
Panov Transfer
Portuguese Gambit
Banker Variation
Classical Variation
Correspondence Refutation
Elbow Variation
Jadoul Variation
Lusophobe Variation
Melbourne Shuffle Variation
Wuss Variation
Richter Variation
Schiller-Pytel Variation
Modern Variation
Valencian Variation
Ilundain Variation
Main Line
Zilbermints Gambit
Scotch Game
Alekhine Gambit
Benima Defense
Blumenfeld Attack
Braune Variation
Classical Variation
Blackburne Attack
Intermezzo Variation
Millennium Variation
Cochrane Variation
Cochrane-Shumov Defense
Fraser Variation
Ghulam-Kassim Variation
Gottschall Variation
Göring Gambit
Bardeleben Variation
Double Pawn Sacrifice
Main Line
Hanneken Variation
Haxo Gambit
Horwitz Attack
Blackburne Variation
Lolli Variation
Malaniuk Variation
Meitner Variation
Mieses Variation
Modern Defense
Napoleon Gambit
Paulsen
Gunsberg Defense
Paulsen Attack
Paulsen Variation
Potter Variation
Relfsson Gambit
Romanishin Variation
Rosenthal Variation
Schmidt Variation
Scotch Gambit
Advance Variation
Cochrane-Anderssen Variation
Dubois Réti Defense
Göring Gambit Declined
Kingside Variation
London Defense
Sarratt Variation
Sea-Cadet Mate
Steinitz Variation
Tartakower Variation
Vitzthum Attack
Semi-Slav Defense
Accelerated Meran Variation
Accelerated Move Order
Anti-Moscow Gambit
Anti-Noteboom
Stonewall Variation
Portisch Gambit
Bogoljubov Variation
Botvinnik Variation
Alatortsev System
Ekstrom Variation
Lilienthal Variation
Szabo Variation
Chigorin Defense
Gunderam Gambit
Main Line
Marshall Gambit
Forgotten Variation
Main Line
Tolush Variation
Meran Variation
Blumenfeld Variation
Lundin Variation
Old Variation
Pirc Variation
Rabinovich Variation
Rellstab Attack
Reynolds' Variation
Sozin Variation
Stahlberg Variation
Wade Variation
Kaidanov Gambit
Larsen Variation
Normal Variation
Noteboom Variation
Abrahams Variation
Anti-Noteboom Gambit
Anti-Noteboom Variation
Belyavsky Line
Quiet Variation
Romih Variation
Rubinstein System
Semi-Meran Variation
Stoltz Variation
Center Variation
Mikhalchishin Line
Shabalov Attack
Stonewall Defense
Semi-Slav Defense Accepted
Sicilian Defense
Accelerated Dragon
Exchange Variation
Maróczy Bind
Breyer Variation
Gurgenidze Variation
Modern Bc4 Variation
Modern Variation
Simagin Variation
Acton Extension
Alapin Variation
Barmen Defense
Central Exchange
Endgame Variation
Milner-Barry Attack
Modern Line
Sherzer Variation
Smith-Morra Declined
Stoltz Attack
Ivanchuk Line
Amazon Attack
Big Clamp Formation
Boleslavsky Variation
Louma Variation
Bowdler Attack
Brick Variation
Brussels Gambit
Bücker Variation
Chekhover Variation
Zaitsev Defense
Classical Variation
Anti-Sozin Variation
Dragon Transfer
Fianchetto Variation
Sozin Attack
Closed
Anti-Sveshnikov Variation
Kharlov-Kramnik Line
with Nf6
with d6
Botvinnik Defense
Edge Variation
with Nge2
with f4
Chameleon Variation
Fianchetto Variation
Grob Attack
Korchnoi Defense
Smyslov Variation
Traditional
Coles Sicilian Gambit
Delayed Alapin Variation
Basman-Palatnik Double Gambit
Basman-Palatnik Gambit
with d6
with e6
Double-Dutch Gambit
Dragon Variation
Accelerated Dragon
Classical Variation
Alekhine Line
Amsterdam Variation
Battery Variation
Bernard Defense
Grigoriev Variation
Maróczy Line
Normal Line
Spielmann Variation
Stockholm Attack
Tartakower Line
Zollner Gambit
Fianchetto Variation
Levenfish Variation
Main Line
Modern Bc4 Variation
Yugoslav Attack
Belezky Line
Byrne Variation
Czerniak Variation
Early Deviations
Main Line
Modern Line
Old Line
Panov Variation
Soltis Variation
Sosonko Variation
Drazic Variation
Euwe Attack
Prins Gambit
Flohr Variation
Four Knights Variation
Cobra Variation
Exchange Variation
Franco-Sicilian Variation
Frederico Variation
French Variation
Normal
Open
Westerinen Attack
Gaw-Paw Variation
Gloria Variation
Godiva Variation
Grand Prix Attack
Schofman Variation
Grob Variation
Halasz Gambit
Heidenfeld Variation
Hyperaccelerated Dragon
Hyperaccelerated Fianchetto
Hyperaccelerated Pterodactyl
Exchange Variation
Jalalabad Variation
Kalashnikov Variation
Kan Variation
Gipslis Variation
Knight Variation
Maróczy Bind
Bronstein Variation
Hedgehog Variation
Réti Variation
Modern Variation
Polugaevsky Variation
Swiss Cheese Variation
Wing Attack
Christiansen's Dream
Fianchetto Variation
Spraggett Attack
Katalimov Variation
Keres Variation
King David's Opening
Kopec System
Kotov Gambit
Kramnik Variation
Kronberger Variation
Nemeth Gambit
Kupreichik Variation
Kveinis Variation
Lasker-Dunne Attack
Lasker-Pelikan Variation
Bird Variation
Exchange Variation
Retreat Variation
Schlechter Variation
Sveshnikov Variation
Chelyabinsk Variation
Novosibirsk Variation
Peresypkin's Sacrifice
Löwenthal Variation
Magnus Smith Trap
Marshall Counterattack
Marshall Gambit
McDonnell Attack
Tal Gambit
Mengarini Variation
Modern Variations
Anti-Qxd4 Move Order
Anti-Qxd4 Move Order Accepted
Ginsberg Gambit
Main Line
Tartakower
Mongoose Variation
Morphy Gambit
Andreaschek Gambit
Moscow Variation
Dorfman Gambit
Haag Gambit
Main Line
Moscow Gambit
Sokolsky Variation
Myers Attack
with a4
with h4
Najdorf Variation
Adams Attack
Amsterdam Variation
Browne Variation
Dekker Gambit
English Attack
Anti-English
Freak Attack
Goteborg Variation
Ivkov Variation
Lipnitsky Attack
Main Line
Neo-Classical Defense
Opocensky Variation
Modern Line
Traditional Line
Poisoned Pawn Accepted
Poisoned Pawn Variation
Polugaevsky Variation
Simagin Line
Scheveningen Variation
Traditional Line
Zagreb Variation
Nimzo-American Variation
Nimzowitsch Variation
Advance Variation
Closed Variation
Exchange Variation
Main Line
Nyezhmetdinov-Rossolimo Attack
Fianchetto Variation
Gufeld Gambit
Lutikov Gambit
Totsky Attack
Gurgenidze Variation
San Francisco Gambit
O'Kelly Variation
Aronin System
Kieseritzky System
Maróczy Bind
Geller Line
Paulsen Line
Robatsch Line
Normal System
Cortlever Gambit
Smith-Morra Line
Taimanov Line
Zagorovsky Line
Quiet System
Réti System
Venice System
Barcza Line
Gambit Line
Ljubojevic Line
Steiner Line
Wing Gambit
Yerevan System
Old Sicilian
Open
Paulsen-Basman Defense
Pin Variation
Jaffe Variation
Koch Variation
Polish Gambit
Portsmouth Gambit
Prins Variation
Venice Attack
Quinteros Variation
Richter-Rauzer Variation
Classical Variation
Kantscher Line
Dragon Variation
Exchange Variation
Ivanov Variation
Modern Variation
Neo-Modern Variation
Early Deviations
Nyezhmetdinov Attack
Podebrady Variation
Rauzer Attack
Traditional Variation
Vitolins Variation
Rossolimo Variation
Brooklyn Retreat Defense
Scheveningen Variation
Classical Main Line
Classical Variation
Paulsen Variation
Delayed Keres Attack
Perenyi Gambit
English Attack
with Qd2
with f3
Fianchetto Variation
Keres Attack
Matanovic Attack
Modern Variation
Tal Variation
Vitolins Variation
Smith-Morra Gambit
Chicago Defense
Danish Variation
Smith-Morra Gambit Accepted
Chicago Defense
Classical Formation
Fianchetto Defense
Finegold Defense
Kan Formation
Larsen Defense
Morphy Defense
Morphy Defense Deferred
Paulsen Formation
Pin Defense
Scheveningen Formation
Sozin Formation
Taimanov Formation
Smith-Morra Gambit Declined
Alapin Formation
Center Formation
Dubois Variation
Push Variation
Scandinavian Formation
Wing Formation
Smith-Morra Gambit Deferred
Snyder Variation
Queen Fianchetto Variation
Sozin Attack
Fischer Variation
Flank Variation
Leonhardt Variation
Main Line
Sherbakov Variation
Spielmann Variation
Staunton-Cochrane Variation
Taimanov Variation
American Attack
Bastrikov Variation
English Attack
Ponomariov Gambit
Gary Gambit
Modern Line
Normal Variation
Szén Variation
Velimirovic Attack
Venice Attack
Wing Gambit
Abrahams Variation
Carlsbad Variation
Deferred Variation
Marienbad Variation
Marshall Variation
Nanu Gambit
Romanian Defense
Santasiere Variation
Wing Gambit Deferred
Yates Variation
Slav Defense
Alapin Variation
Alekhine Variation
Bonet Gambit
Breyer Variation
Chebanenko Variation
Advance System
Czech Variation
Bled Attack
Carlsbad Variation
Morozevich Variation
Classical System
Main Line
Dutch Variation
Sämisch Variation
Krause Attack
Fazekas Gambit
Lasker Variation
Wiesbaden Variation
Sharp Line
Diemer Gambit
Exchange Variation
Boor Attack
Schallopp Variation
Symmetrical Line
Trifunovic Variation
Geller Gambit
Modern Line
Quiet Variation
Amsterdam Variation
Landau Variation
Pin Defense
Schallopp Defense
Schlechter Variation
Slav Gambit
Alekhine Attack
Smyslov Variation
Soultanbeieff Variation
Steiner Variation
Süchting Variation
Three Knights Variation
Two Knights Attack
Winawer Countergambit
Anti-Winawer Gambit
Slav Indian
Kudischewitsch Gambit
Sodium Attack
Chenoboskion Variation
Durkin Gambit
St. George Defense
Polish Variation
San Jorge Variation
Zilbermints Gambit
Tarrasch Defense
Classical Variation
Advance Variation
Bogoljubov Variation
Carlsbad Variation
Chandler Variation
Classical Tarrasch Gambit
Endgame Variation
Main Line
Petursson Variation
Réti Variation
Spassky Variation
Dubov Tarrasch
Grünfeld Gambit
Marshall Gambit
Prague Variation
Main Line
Rubinstein System
Schara Gambit
Swedish Variation
Central Break
Symmetrical Variation
Tarrasch Gambit
Two Knights Variation
Wagner Variation
von Hennig Gambit
Three Knights Opening
Schlechter Variation
Steinitz Defense
Steinitz-Rosenthal Variation
Winawer Defense
Torre Attack
Classical Defense
Nimzowitsch Variation
Petrosian Gambit
Fianchetto Defense
Euwe Variation
Wagner Gambit
Trompowsky Attack
Borg Variation
Classical Defense
Big Center Variation
Edge Variation
Hergert Gambit
Poisoned Pawn Variation
Raptor Variation
Hergert Gambit
Valencia Opening
Van Geet Opening
Battambang Variation
Berlin Gambit
Billockus-Johansen Gambit
Damhaug Gambit
Dougherty Gambit
Dunst-Perrenet Gambit
Düsseldorf Gambit
Gladbacher Gambit
Grünfeld Defense
Steiner Gambit
Hector Gambit
Hergert Gambit
Hulsemann Gambit
Jendrossek Gambit
Kluever Gambit
Laroche Gambit
Liebig Gambit
Melleby Gambit
Myers Attack
Napoleon Attack
Novosibirsk Variation
Nowokunski Gambit
Pfeiffer Gambit
Sleipnir Countergambit
Reversed Nimzowitsch
Reversed Scandinavian
Sicilian Two Knights
Sleipnir Gambit
Twyble Attack
Tübingen Gambit
Venezolana Variation
Warsteiner Gambit
Van't Kruijs Opening
Bouncing Bishop Variation
Keoni-Hiva Gambit
Akahi Variation
Alua Variation
Ekolu Variation
Venezolana Opening
Vienna Gambit, with Max Lange Defense
Cunningham Defense
Hamppe-Allgaier Gambit
Alapin Variation
Thorold Variation
Hamppe-Muzio Gambit
Knight Variation
Pierce Gambit
Quelle Gambit
Steinitz Gambit
Fraser-Minckwitz Defense
Main Line
Paulsen Defense
Sörensen Defense
Zukertort Defense
Vienna Game
Adams' Gambit
Anderssen Defense
Falkbeer Variation
Frankenstein-Dracula Variation
Fyfe Gambit
Giraffe Attack
Hamppe-Meitner Variation
Hamppe-Muzio
Dubois Variation
Hamppe-Muzio Gambit
Heyde Variation
Max Lange Defense
Mengarini Variation
Mieses Variation
Erben Gambit
Omaha Gambit
Paulsen Variation
Mariotti Gambit
Pollock Gambit
Philidor Countergambit
Pierce Gambit
Rushmere Attack
Stanley Variation
Alekhine Variation
Bronstein Gambit
Eifel Gambit
Frankenstein-Dracula Variation
Meitner-Mieses Gambit
Monster Declined
Reversed Spanish
Three Knights Variation
Vienna Gambit
Bardeleben Variation
Breyer Variation
Kaufmann Variation
Main Line
Modern Variation
Paulsen Attack
Steinitz Variation
Wurzburger Trap
Zhuravlev Countergambit
Vulture Defense
Wade Defense
Ware Defense
Snagglepuss Defense
Ware Opening
Meadow Hay Trap
Ware Gambit
Wing Gambit
Yusupov-Rubinstein System
Zaire Defense
Zukertort Defense
Kingside Variation
Sicilian Knight Variation
Zukertort Opening
Ampel Variation
Arctic Defense
Drunken Knight Variation
Basman Defense
Black Mustang Defense
Double Fianchetto Attack
Drunken Cavalry Variation
Dutch Variation
Herrstrom Gambit
Kingside Fianchetto
Lemberger Gambit
Lisitsyn Gambit
Lisitsyn Gambit Deferred
Myers Polish Attack
Nimzo-Larsen Variation
Old Indian Attack
Pachman Gambit
Pirc Invitation
Polish Defense
Queen's Gambit Invitation
Queenside Fianchetto Variation
Quiet System
Regina-Nu Gambit
Reversed Grünfeld
Reversed Mexican Defense
Ross Gambit
Santasiere's Folly
Shabalov Gambit
Sicilian Invitation
Slav Invitation
Speelsmet Gambit
St. George Defense
Tennison Gambit
The Potato
The Walrus
Vos Gambit
Wade Defense
Chigorin Plan
Ware Defense
Reconnecting