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- Families
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- 1,430
- Puzzles
- 1,211,158
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Try a shorter term — “gambit”, “indian”, or a player’s name like “najdorf”.
-
Train this opening
91 variations
- Alapin Variation12,977
- Closed12,841
- Old Sicilian12,774
- Bowdler Attack12,212
- Najdorf Variation10,216
- Modern Variations9,674
- Smith-Morra Gambit7,697
- McDonnell Attack7,203
- Taimanov Variation6,602
- Other variations6,584
- Open6,222
- French Variation6,014
- Nyezhmetdinov-Rossolimo Attack5,463
- Accelerated Dragon5,442
- Dragon Variation5,015
- Kan Variation4,675
- Smith-Morra Gambit Accepted4,606
- Lowenthal Variation3,472
- Delayed Alapin Variation3,262
- Lasker-Pelikan Variation2,954
- Four Knights Variation2,732
- OKelly Variation2,635
- Grand Prix Attack2,460
- Wing Gambit2,351
- Hyperaccelerated Fianchetto1,975
- Hyperaccelerated Dragon1,929
- Delayed Alapin1,843
- Classical Variation1,715
- Mengarini Variation1,614
- Moscow Variation1,597
- Smith-Morra Gambit Declined1,580
- Staunton-Cochrane Variation1,548
- Scheveningen Variation1,359
- Marshall Gambit1,263
- Chekhover Variation1,160
- Nimzowitsch Variation1,082
- Snyder Variation1,042
- Kalashnikov Variation898
- Marshall Counterattack885
- Canal Attack774
- Richter-Rauzer Variation774
- Sozin Attack769
- Franco-Sicilian Variation751
- Pin Variation679
- Kramnik Variation649
- Hyperaccelerated Pterodactyl609
- Morphy Gambit557
- Lasker-Dunne Attack539
- Paulsen-Basman Defense516
- Godiva Variation477
- Smith-Morra Gambit Deferred462
- Portsmouth Gambit404
- Keres Variation309
- Prins Variation300
- Katalimov Variation296
- Drazic Variation291
- Sozin246
- Wing Gambit Deferred182
- Jalalabad Variation140
- Flohr Variation139
- Nimzo-American Variation126
- Kveinis Variation118
- Boleslavsky Variation92
- Myers Attack79
- Bucker Variation76
- Halasz Gambit76
- Accelerated Fianchetto68
- Quinteros Variation67
- Venice Attack60
- Kupreichik Variation58
- Kronberger Variation40
- Brussels Gambit35
- Magnus Smith Trap26
- Gaw-Paw Variation21
- Mongoose Variation16
- King Davids Opening16
- Yates Variation16
- Velimirovic Attack15
- Grob Variation15
- Coles Sicilian Gambit13
- Kopec System11
- Brick Variation11
- Polish Gambit11
- Big Clamp Formation9
- Czerniak Attack8
- Rossolimo Variation7
- Euwe Attack6
- Heidenfeld Variation5
- Amazon Attack4
- Double-Dutch Gambit2
- Gloria Variation1
-
Train this opening
47 variations
- Advance Variation13,778
- Exchange Variation13,193
- Knight Variation10,284
- Tarrasch Variation5,232
- Normal Variation4,259
- Rubinstein Variation3,875
- Winawer Variation3,576
- Classical Variation3,460
- Other variations2,652
- La Bourdonnais Variation2,541
- Queen's Knight1,804
- Two Knights Variation1,802
- Steiner Variation1,731
- King's Indian Attack1,568
- Franco-Sicilian Defense1,158
- Steinitz Variation1,046
- Horwitz Attack963
- Schlechter Variation905
- Steinitz Attack744
- Paulsen Variation715
- Wing Gambit639
- Orthoschnapp Gambit496
- Chigorin Variation476
- Burn Variation476
- Mediterranean Defense463
- Alekhine-Chatard Attack381
- Alapin Gambit332
- St George Defense316
- Marshall Gambit273
- Diemer-Duhm Gambit Accepted256
- MacCutcheon Variation232
- Perseus Gambit189
- Pelikan Variation167
- Reti-Spielmann Attack146
- Franco-Hiva Gambit99
- Diemer-Duhm Gambit92
- Carlson Gambit87
- Henneberger Variation70
- Bird Invitation63
- Franco-Hiva Gambit Accepted54
- Hecht-Reefschlager Variation40
- McCutcheon Variation29
- Baeuerle Gambit19
- Banzai-Leong Gambit14
- Reversed Philidor Formation7
- Morphy Gambit3
- Hoffmann Gambit1
-
Train this opening
26 variations
- Accelerated London System16,446
- Other variations14,354
- Chigorin Variation8,224
- London System6,154
- Zukertort Variation5,702
- Colle System5,517
- Symmetrical Variation3,111
- Modern Defense2,485
- Levitsky Attack1,762
- Krause Variation1,564
- Mason Variation1,510
- Torre Attack1,178
- Stonewall Attack1,125
- Anti-Torre1,085
- Steinitz Countergambit957
- Mason Attack808
- Veresov Attack709
- Anglo-Slav Opening376
- Hubsch Gambit208
- Barry Attack167
- Veresov134
- Franco-Sicilian Defense113
- Morris Countergambit26
- Liedmann Gambit23
- Chandler Gambit15
- Zurich Gambit11
-
Train this opening
45 variations
- Other variations17,654
- Advance Variation13,039
- Exchange Variation7,526
- Two Knights Attack5,159
- Classical Variation4,148
- Panov Attack3,889
- Hillbilly Attack2,599
- Maroczy Variation2,579
- Tartakower Variation2,238
- Accelerated Panov Attack2,232
- Main Line1,549
- Karpov Variation1,165
- Breyer Variation1,050
- Campomanes Attack539
- Endgame Offer489
- von Hennig Gambit426
- Rasa-Studier Gambit383
- Alien Gambit359
- Forgacs Variation329
- Goldman Variation310
- Euwe Attack294
- Bronstein-Larsen Variation273
- Alekhine Gambit246
- Ulysses Gambit221
- Modern Variation220
- Apocalypse Attack212
- Gurgenidze System178
- Mieses Gambit49
- Gurgenidze Counterattack45
- Masi Variation31
- Finnish Variation31
- Hector Gambit30
- Endgame Variation28
- Toikkanen Gambit26
- Martian Gambit25
- De Bruycker Defense24
- Spike Variation11
- Labahn Attack9
- Advance8
- Massachusetts Defense7
- Edinburgh Variation6
- St Patricks Attack6
- Scorpion-Horus Gambit3
- Panov-Botvinnik3
- Mieses Attack1
-
Train this opening
21 variations
- Two Knights Defense17,932
- Classical Variation11,183
- Giuoco Pianissimo8,640
- Anti-Fried Liver Defense6,542
- Giuoco Piano5,435
- Evans Gambit3,620
- Scotch Gambit3,449
- Other variations2,762
- Blackburne-Kostic Gambit2,352
- Rousseau Gambit1,949
- Hungarian Defense1,498
- Paris Defense1,488
- Evans Gambit Declined479
- Deutz Gambit420
- Rosentreter Gambit412
- Schilling-Kostic Gambit243
- Jerome Gambit202
- Scotch Gambit Declined161
- Birds Attack138
- Scotch Invitation Declined89
- Evans Gambit Accepted23
-
Train this opening
25 variations
- Mieses-Kotroc Variation11,157
- Modern Variation10,794
- Main Line10,031
- Other variations5,772
- Valencian Variation3,309
- Gubinsky-Melts Defense2,155
- Icelandic-Palme Gambit1,819
- Panov Transfer1,461
- Blackburne Gambit1,227
- Marshall Variation1,155
- Boehnke Gambit949
- Blackburne-Kloosterboer Gambit905
- Portuguese Gambit758
- Kloosterboer Gambit545
- Portuguese Variation463
- Bronstein Variation321
- Lasker Variation294
- Classical Variation253
- Kiel Variation234
- Anderssen Counterattack217
- Schiller-Pytel Variation129
- Richter Variation107
- Kadas Gambit29
- Zilbermints Gambit2
- Grunfeld Variation2
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Train this opening
43 variations
- Other variations7,284
- Marshall Defense7,078
- Albin Countergambit3,850
- Exchange Variation3,124
- Chigorin Defense2,661
- Modern Variation2,508
- Queen's Knight Variation2,198
- Ragozin Defense2,153
- Baltic Defense2,035
- Three Knights Variation1,860
- Normal Defense1,658
- Harrwitz Attack1,518
- Semi-Tarrasch Defense1,416
- Austrian Defense968
- Tarrasch Defense928
- Traditional Variation837
- Vienna Variation557
- Orthodox Defense492
- Janowski Variation387
- Neo-Orthodox Variation311
- Barmen Variation247
- Charousek Variation242
- Three Knights231
- Cambridge Springs Defense230
- Tartakower Defense188
- Austrian Attack152
- Pseudo-Tarrasch Variation108
- Capablanca Variation107
- Been-Koomen Variation99
- Lasker Defense73
- Alapin Variation71
- Anti-Tartakower Variation69
- Alekhine Variation45
- Miles Variation39
- Westphalian Variation32
- Manhattan Variation28
- Semi-Slav19
- Pillsbury Attack5
- Zilbermints Gambit5
- Knight Defense2
- Hastings Variation1
- Semmering Variation1
- Spielmann Variation1
-
Train this opening
31 variations
- King's English Variation13,529
- Symmetrical Variation6,291
- Anglo-Indian Defense5,232
- Agincourt Defense3,558
- Anglo-Scandinavian Defense2,053
- Caro-Kann Defensive System1,405
- Other variations1,325
- Great Snake Variation1,122
- The Whale886
- Mikenas-Carls Variation622
- Carls-Bremen System585
- Anglo-Dutch Defense579
- Four Knights System312
- Anglo-Grunfeld Defense281
- Anglo-Lithuanian Variation250
- Jaenisch Gambit150
- Neo-Catalan76
- Mikenas-Carls63
- Myers Defense27
- Drill Variation20
- Myers Gambit15
- Neo-Catalan Declined14
- King's English14
- Achilles-Omega Gambit10
- Anglo-Dutch Variation9
- Adorjan Defense8
- Wade Gambit8
- Wing Gambit8
- Romanishin Gambit7
- Symmetrical4
- Porcupine Variation2
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Train this opening
33 variations
- Morphy Defense7,105
- Berlin Defense6,613
- Steinitz Defense5,896
- Classical Variation3,932
- Exchange Variation3,305
- Schliemann Defense1,945
- Cozio Defense1,740
- Bird Variation1,739
- Closed1,248
- Other variations1,207
- Open686
- Marshall Attack426
- Nurnberg Variation280
- Fianchetto Defense120
- Spanish Countergambit111
- Open Berlin Defense99
- Vinogradov Variation69
- Alapin Defense45
- Lucena Variation45
- Classical Defense35
- Noahs Ark Trap21
- Central Countergambit20
- Rotary-Albany Gambit17
- Birds Defense Deferred16
- Exchange11
- Bulgarian Variation7
- Retreat Variation5
- Old Steinitz Defense3
- Pollock Defense3
- Halloween Attack3
- Brentano Gambit2
- Closed Berlin Defense2
- Brix Variation1
-
Train this opening
30 variations
- Other variations10,040
- Scotch Gambit7,253
- Classical Variation4,452
- Schmidt Variation3,025
- Goring Gambit2,391
- Lolli Variation2,002
- Haxo Gambit1,540
- Benima Defense1,095
- Mieses Variation692
- Potter Variation520
- Modern Defense329
- Malaniuk Variation242
- Blumenfeld Attack203
- Steinitz Variation180
- Ghulam-Kassim Variation93
- Relfsson Gambit90
- Vitzthum Attack84
- Paulsen Attack78
- Horwitz Attack44
- Alekhine Gambit31
- Meitner Variation20
- Braune Variation18
- Tartakower Variation15
- Romanishin Variation12
- Cochrane-Shumov Defense9
- Napoleon Gambit9
- Fraser Variation5
- Cochrane Variation4
- Paulsen Variation3
- Hanneken Variation1
-
Train this opening
35 variations
- Other variations16,671
- Budapest Defense5,302
- Normal Variation1,912
- London System1,794
- Anti-Nimzo-Indian1,066
- Knights Variation1,054
- Wade-Tartakower Defense944
- Spielmann-Indian847
- Accelerated London System523
- West Indian Defense519
- Reversed Chigorin Defense452
- Przepiorka Variation357
- Seirawan Attack347
- Tartakower Attack310
- Pawn Push Variation260
- Omega Gambit250
- Czech-Indian144
- Colle System127
- King's Indian Variation121
- Anti-Grunfeld120
- Maddigan Gambit110
- Pseudo-Benko69
- Devin Gambit55
- Paleface Attack45
- Polish Variation35
- Pyrenees Gambit33
- Gibbins-Weidenhagen Gambit Accepted30
- Dzindzi-Indian Defense29
- Gibbins-Wiedenhagen Gambit Accepted29
- Gibbins-Weidenhagen Gambit25
- Medusa Gambit17
- Dory Indian12
- Lazard Gambit10
- Gedult Attack10
- Gibbins-Wiedenhagen Gambit5
-
Train this opening
17 variations
- Other variations13,887
- Exchange Variation4,997
- Lion Variation1,027
- Hanham Variation650
- Morphy Gambit532
- Nimzowitsch Variation451
- Lopez Countergambit282
- Philidor Countergambit241
- Bird Gambit240
- Steinitz Variation221
- Larsen Variation162
- Albin-Blackburne Gambit79
- Philidor Gambit21
- Hanham18
- Boden Variation17
- Paulsen Attack10
- Nimzowitsch3
-
Train this opening
49 variations
- MacLeod Defense2,866
- Fischer Defense2,373
- King's Knights Gambit2,216
- Bishops Gambit1,644
- Cunningham Defense1,586
- Modern Defense1,534
- Schallopp Defense1,373
- Abbazia Defense836
- Kieseritzky Gambit554
- Becker Defense532
- Muzio Gambit513
- Salvio Gambit417
- Blachly Gambit408
- Rosentreter Gambit292
- Bonsch-Osmolovsky Variation276
- Allgaier Gambit185
- Polerio Gambit137
- Hanstein Gambit132
- Double Muzio Gambit116
- Traditional Variation108
- Ghulam-Kassim Gambit87
- Lolli Gambit83
- Sorensen Gambit74
- Mason-Keres Gambit61
- Quaade Gambit52
- Quade Gambit52
- Greco Gambit44
- Gianutio Countergambit42
- Villemson Gambit39
- Philidor Gambit33
- Allgaier27
- Mayet Gambit27
- Kieseritzky26
- Other variations22
- McDonnell Gambit11
- Breyer Gambit10
- Eisenberg Variation10
- Muzio Gambit Accepted9
- Wagenbach Defense8
- Silberschmidt Gambit6
- Stamma Gambit5
- Tartakower Gambit5
- Tumbleweed4
- Gaga Gambit3
- Kotov Gambit2
- Paris Gambit2
- Carrera Gambit1
- Basman Gambit1
- Dodo Variation1
-
Train this opening
35 variations
- Tennison Gambit4,443
- Other variations2,120
- Sicilian Invitation1,716
- Black Mustang Defense1,451
- Queen's Gambit Invitation1,046
- Kingside Fianchetto971
- Slav Invitation820
- Pirc Invitation801
- Queenside Fianchetto Variation695
- Dutch Variation611
- Old Indian Attack503
- Lemberger Gambit491
- Nimzo-Larsen Variation474
- Ross Gambit470
- Reversed Mexican Defense249
- Quiet System239
- Wade Defense218
- Reversed Grunfeld215
- Lisitsyn Gambit170
- The Walrus144
- Vos Gambit128
- Herrstrom Gambit120
- Arctic Defense77
- Lisitsyn Gambit Deferred76
- Polish Defense65
- Grunfeld Reversed60
- Basman Defense48
- St George Defense43
- Santasieres Folly35
- Speelsmet Gambit27
- Double Fianchetto Attack24
- Ware Defense16
- The Potato11
- Drunken Cavalry Variation2
- Ampel Variation1
-
Train this opening
17 variations
- Italian Variation7,636
- Spanish Variation3,184
- Scotch Variation Accepted3,003
- Other variations1,225
- Scotch Variation1,124
- Halloween Gambit888
- Gunsberg Variation623
- Double Spanish280
- Ranken Variation196
- Glek System55
- Rubinstein Countergambit26
- Nimzowitsch Variation20
- Symmetrical5
- Marshall Variation3
- Gunsberg Counterattack2
- Bardeleben Variation1
- Spielmann Variation1
-
Train this opening
15 variations
- Stafford Gambit4,415
- Italian Variation3,580
- Three Knights Game3,145
- Other variations2,503
- Modern Attack1,487
- Classical Attack810
- Nimzowitsch Attack634
- Damiano Variation578
- Cozio Attack377
- Cochrane Gambit280
- French Attack203
- Paulsen Attack93
- Millennium Attack73
- Karklins-Martinovsky Variation40
- Kaufmann Attack19
-
Train this opening
24 variations
- Other variations11,887
- Standard Defense1,284
- Two Knights Variation965
- Standard Line704
- Three Pawns Attack573
- Mongredien Defense448
- Averbakh System376
- Pseudo-Austrian Attack360
- Gellers System327
- Norwegian Defense265
- Bishop Attack219
- Kotov Variation181
- Beefeater Variation78
- Modern Pterodactyl77
- Lizard Defense48
- Randspringer Variation24
- Averbakh Variation19
- Neo-Modern Defense18
- Fianchetto Gambit18
- Wind Gambit14
- Semi-Averbakh Variation7
- Gurgenidze Defense7
- Pterodactyl Variation4
- Westermann Gambit2
-
Train this opening
10 variations
-
Train this opening
18 variations
- Vienna Gambit5,518
- Stanley Variation3,512
- Other variations2,642
- Max Lange Defense2,034
- Anderssen Defense1,544
- Falkbeer Variation581
- Frankenstein-Dracula Variation515
- Omaha Gambit368
- Paulsen Variation269
- Mieses Variation242
- Mengarini Variation173
- Giraffe Attack36
- Fyfe Gambit19
- Hamppe-Meitner Variation13
- Heyde Variation10
- Zhuravlev Countergambit3
- Philidor Countergambit2
- Hamppe-Muzio Gambit1
-
Train this opening
22 variations
- Other variations4,564
- Berlin Defense3,834
- Vienna Hybrid2,965
- Boi Variation1,666
- Ponziani Gambit1,047
- Urusov Gambit797
- Philidor Counterattack605
- Boden-Kieseritzky Gambit424
- Calabrese Countergambit276
- Lewis Gambit253
- Khan Gambit97
- Philidor Variation90
- Stein Gambit68
- Warsaw Gambit65
- McDonnell Gambit15
- Anderssen Gambit9
- Kitchener Folly9
- Horwitz Gambit6
- Lopez Variation4
- Paulsen Defense2
- Pachman Gambit1
- Lewis Countergambit1
-
Train this opening
22 variations
- Other variations5,679
- Exchange Variation2,985
- Three Knights Variation1,964
- Modern Line1,958
- Quiet Variation1,165
- Slav Gambit344
- Geller Gambit330
- Czech Variation289
- Schlechter Variation274
- Diemer Gambit216
- Chameleon Variation195
- Bonet Gambit191
- Chebanenko Variation169
- Alekhine Variation109
- Two Knights Attack86
- Winawer Countergambit83
- Alapin Variation70
- Breyer Variation60
- Steiner Variation52
- Soultanbeieff Variation37
- Suchting Variation9
- Smyslov Variation8
-
Train this opening
24 variations
- Busch-Gass Gambit3,209
- Leonardis Variation2,707
- McConnell Defense1,776
- Wayward Queen Attack1,470
- Macleod Attack1,212
- Other variations809
- Napoleon Attack685
- Maroczy Defense658
- Damiano Defense632
- Tayler Opening405
- Gunderam Gambit362
- King's Head Opening339
- Beyer Gambit293
- Alapin Opening267
- Dresden Opening198
- Mengarinis Opening191
- Clam Variation84
- Tortoise Opening59
- Schulze-Muller Gambit46
- Weber Gambit28
- Pachman Wing Gambit8
- Philidor Gambit5
- Bavarian Gambit3
- La Bourdonnais Gambit3
-
Train this opening
22 variations
- Old Variation3,285
- Other variations2,978
- Central Variation2,541
- Saduleto Variation957
- Normal Variation803
- Rosenthal Variation443
- Showalter Variation301
- Classical Defense280
- Gunsberg Defense256
- Accelerated Mannheim Variation170
- Janowski-Larsen Variation131
- Alekhine Defense98
- Slav Gambit90
- Mannheim Variation57
- Winawer Defense32
- Smyslov Variation18
- Bogoljubov Defense18
- Godes Variation14
- Bogoljubow Defense13
- Linares Variation10
- Schwartz Defense9
- Furman Variation3
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Train this opening
29 variations
- Old Benoni5,586
- Benoni Gambit Accepted2,264
- French Benoni798
- Other variations742
- Modern Variation556
- Benoni-Indian Defense535
- Hromadka System360
- King's Pawn Line300
- Classical Variation187
- Czech Benoni Defense121
- Semi-Benoni93
- Weenink Variation80
- Four Pawns Attack68
- Taimanov Variation48
- Benoni Gambit36
- Cormorant Gambit34
- Fianchetto Variation32
- Knights Tour Variation28
- Uhlmann Variation19
- King's Indian System14
- Pawn Storm Variation13
- Woozle12
- Mikenas Variation9
- Hawk Variation8
- Benoni-Staunton Gambit8
- Classical7
- Snail Variation5
- Franco-Sicilian Hybrid4
- Zilbermints-Benoni Gambit1
-
Train this opening
17 variations
- Scandinavian Variation3,048
- Kennedy Variation2,798
- Other variations1,766
- Declined Variation1,553
- Williams Variation531
- Franco-Nimzowitsch Variation522
- Mikenas Variation374
- Colorado Countergambit Accepted346
- Colorado Countergambit252
- French Connection136
- Pseudo-Spanish Variation119
- El Columpio Defense39
- Breyer Variation36
- Woodchuck Variation24
- Pirc Connection19
- Neo-Mongoloid Defense13
- Hornung Gambit9
-
Train this opening
13 variations
-
Train this opening
21 variations
- Scandinavian Variation2,888
- Other variations1,690
- Modern Variation987
- Normal Variation889
- Four Pawns Attack785
- Exchange Variation640
- Two Pawn Attack563
- Two Pawns Attack544
- Maroczy Variation496
- Samisch Attack371
- Balogh Variation205
- OSullivan Gambit166
- Mokele Mbembe152
- Krejcik Variation143
- Brooklyn Variation143
- Hunt Variation75
- Spielmann Gambit46
- The Squirrel37
- Steiner Variation20
- Kmoch Variation12
- Welling Variation9
-
Train this opening
22 variations
- Normal Variation3,337
- Other variations1,442
- Orthodox Variation1,086
- Fianchetto Variation893
- Samisch Variation813
- Four Pawns Attack754
- Smyslov Variation497
- Zinnowitz Variation346
- Makogonov Variation346
- Semi-Classical Variation200
- Accelerated Averbakh Variation186
- Semi-Averbakh System183
- Larsen Variation160
- Averbakh Variation153
- Petrosian Variation123
- Kramer Variation91
- Exchange Variation78
- Steiner Attack71
- Kazakh Variation29
- Pomar System5
- Santasiere Variation3
- Karpov System1
-
Train this opening
9 variations
-
Train this opening
2 variations
-
Train this opening
15 variations
- Queen's Knight Defense4,115
- Falkbeer Countergambit2,585
- Classical Variation1,072
- Falkbeer Countergambit Accepted459
- Petrovs Defense329
- Miles Defense237
- Mafia Defense226
- Keenes Defense171
- Panteldakis Countergambit150
- Keene Defense142
- Classical76
- Norwalde Variation63
- Soller-Zilbermints Gambit8
- Zilbermints Double Countergambit4
- Zilbermints Double Gambit1
-
Train this opening
7 variations
-
Train this opening
18 variations
- Other variations3,797
- Dutch Variation3,133
- Froms Gambit1,503
- Williams Gambit207
- Lasker Variation148
- Schlechter Gambit147
- Wagner-Zwitersch Gambit93
- Sturm Gambit79
- Hobbs Gambit48
- Horsefly Defense35
- Lasker Gambit29
- Mujannah19
- Double Duck Formation16
- Myers Defense11
- Hobbs-Zilbermints Gambit8
- Williams-Zilbermints Gambit2
- Thomas Gambit1
- Batavo-Polish Attack1
-
Train this opening
32 variations
- Other variations2,711
- Queen's Knight Variation1,303
- Raphael Variation792
- Rubinstein Variation731
- Classical Variation544
- Hopton Attack527
- Normal Variation411
- Staunton Gambit369
- Staunton Gambit Accepted221
- Leningrad Variation166
- Krejcik Gambit118
- Blackmars Second Gambit104
- Fianchetto Attack98
- Stonewall Variation86
- Janzen-Korchnoi Gambit49
- Korchnoi Attack41
- Bellon Gambit39
- Semi-Leningrad Variation38
- Manhattan Gambit38
- Alapin Variation27
- Nimzo-Dutch Variation27
- Fianchetto Variation20
- Blackburne Variation10
- Krause Variation10
- Kingfisher Gambit5
- Alekhine Variation4
- Spielmann Gambit3
- Omega-Isis Gambit2
- Hevendehl Gambit2
- Senechaud Gambit2
- Stonewall1
- Hort-Antoshin System1
-
Train this opening
15 variations
- Stafford Gambit1,898
- Italian Variation1,548
- Three Knights Game1,500
- Modern Attack933
- Other variations921
- Damiano Variation377
- Classical Attack324
- Nimzowitsch Attack253
- Cochrane Gambit165
- Cozio Attack89
- French Attack40
- Paulsen Attack37
- Millennium Attack26
- Karklins-Martinovsky Variation20
- Kaufmann Attack8
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Train this opening
20 variations
- Classical Variation1,514
- Other variations1,172
- Three Knights Variation1,054
- Leningrad Variation932
- Normal Variation667
- Samisch Variation641
- Kmoch Variation320
- Spielmann Variation211
- Normal Line173
- St Petersburg Variation149
- Hubner Variation127
- Romanishin Variation91
- Rubinstein System88
- Reshevsky Variation63
- Fischer Variation20
- Ragozin Defense20
- Simagin Variation12
- Dilworth Gambit11
- Mikenas Attack8
- Ragozin Variation5
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Train this opening
2 variations
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Train this opening
21 variations
- Other variations1,767
- Accelerated Move Order1,320
- Main Line1,015
- Marshall Gambit599
- Noteboom Variation372
- Normal Variation272
- Chigorin Defense213
- Stoltz Variation203
- Botvinnik Variation195
- Anti-Moscow Gambit164
- Meran Variation146
- Quiet Variation123
- Accelerated Meran Variation56
- Bogoljubov Variation39
- Romih Variation36
- Bogoljubow Variation30
- Semi-Meran Variation25
- Gunderam Gambit11
- Stonewall Defense11
- Rubinstein System4
- Anti-Noteboom2
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Train this opening
12 variations
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Train this opening
14 variations
- Train this opening
-
Train this opening
11 variations
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Train this opening
5 variations
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Train this opening
21 variations
- Other variations716
- von Popiel Gambit561
- Blackmar Gambit560
- Ryder Gambit512
- Zeller Defense416
- Netherlands Variation337
- Gedult Gambit318
- Euwe Defense225
- Teichmann Variation207
- Lemberger Countergambit186
- Vienna Variation125
- Ziegler Defense76
- Fritz Attack66
- Reversed Albin Countergambit65
- Rasa-Studier Gambit41
- Diemer-Rosenberg Attack39
- Tartakower Variation33
- Bogoljubov Variation26
- Pietrowsky Defense23
- Kaulich Defense5
- Ritter Defense5
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Train this opening
1 variation
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Train this opening
21 variations
- Other variations2,781
- Czech Defense489
- Bugayev Attack206
- King's Indian Variation195
- Outflank Variation109
- Schiffler-Sokolsky Variation95
- Birmingham Gambit91
- Baltic Defense84
- Symmetrical Variation47
- Bugayev Advance Variation42
- Dutch Defense38
- Tartakower Gambit29
- Grigorian Variation29
- Zukertort System26
- Queen's Indian Variation20
- German Defense15
- Queenside Defense11
- Rooks Swap Line9
- Myers Variation6
- Wolferts Gambit1
- Schuehler Gambit1
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Train this opening
8 variations
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Train this opening
9 variations
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Train this opening
6 variations
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Train this opening
6 variations
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Train this opening
17 variations
- Exchange Variation1,468
- Three Knights Variation1,392
- Stockholm Variation308
- Other variations271
- Brinckmann Attack149
- Russian Variation125
- Opocensky Variation26
- Zaitsev Gambit25
- Counterthrust Variation23
- Smyslov Defense23
- Lutikov Variation18
- Flohr Variation5
- Makogonov Variation5
- Botvinnik Variation3
- Lundin Variation2
- Pachman Variation2
- Gibbon Gambit1
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Train this opening
12 variations
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Train this opening
1 variation
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Train this opening
6 variations
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Train this opening
11 variations
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Train this opening
1 variation
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Train this opening
24 variations
- Other variations1,386
- Reversed Nimzowitsch296
- Dunst-Perrenet Gambit237
- Napoleon Attack215
- Grunfeld Defense127
- Berlin Gambit76
- Sicilian Two Knights66
- Reversed Scandinavian46
- Novosibirsk Variation45
- Tubingen Gambit32
- Dougherty Gambit25
- Battambang Variation25
- Hector Gambit23
- Myers Attack22
- Kluever Gambit18
- Nowokunski Gambit6
- Billockus-Johansen Gambit5
- Liebig Gambit5
- Caro-Kann Variation5
- Hergert Gambit2
- Venezolana Variation2
- Damhaug Gambit1
- Sleipnir Gambit1
- Laroche Gambit1
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Train this opening
7 variations
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Train this opening
11 variations
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Train this opening
9 variations
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Train this opening
3 variations
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Train this opening
14 variations
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Train this opening
7 variations
- Train this opening
- Train this opening
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Train this opening
16 variations
- Classical Variation321
- Kasparov Variation313
- Fianchetto Variation277
- Kasparov-Petrosian Variation160
- Other variations157
- Spassky System128
- Capablanca Variation65
- Petrosian Variation62
- Fianchetto Traditional50
- Riumin Variation34
- Miles Variation26
- Anti-Queen's Indian System19
- Yates Variation7
- Euwe Variation7
- Traditional Variation6
- Buerger Variation1
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Train this opening
2 variations
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Train this opening
10 variations
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Train this opening
6 variations
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Train this opening
1 variation
- Train this opening
- Train this opening
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
6 variations
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Train this opening
8 variations
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Train this opening
9 variations
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Train this opening
6 variations
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Train this opening
2 variations
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Train this opening
10 variations
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Train this opening
1 variation
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Train this opening
9 variations
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Train this opening
1 variation
- Train this opening
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Train this opening
9 variations
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Train this opening
9 variations
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Train this opening
8 variations
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Train this opening
2 variations
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Train this opening
6 variations
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
2 variations
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Train this opening
3 variations
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Train this opening
3 variations
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Train this opening
2 variations
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Train this opening
4 variations
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Train this opening
1 variation
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Train this opening
2 variations
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Train this opening
1 variation
- Train this opening
-
Train this opening
1 variation
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Train this opening
5 variations
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Train this opening
2 variations
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Train this opening
4 variations
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Train this opening
2 variations
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
2 variations
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Train this opening
2 variations
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
2 variations
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Train this opening
1 variation
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Train this opening
6 variations
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Train this opening
2 variations
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Train this opening
1 variation
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Train this opening
2 variations
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
2 variations
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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Train this opening
1 variation
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