Puzzles by openings
Sicilian Defense204,084
Old Sicilian13,941
Closed13,683
Alapin Variation13,679
Bowdler Attack13,679
Najdorf Variation11,083
Modern Variations10,731
Smith-Morra Gambit8,479
McDonnell Attack7,897
Taimanov Variation7,063
Open6,832
French Variation6,482
Nyezhmetdinov-Rossolimo Attack5,909
Accelerated Dragon5,877
Dragon Variation5,418
Kan Variation4,946
Smith-Morra Gambit Accepted4,756
Löwenthal Variation3,778
Delayed Alapin Variation3,412
Lasker-Pelikan Variation3,220
Four Knights Variation2,914
O'Kelly Variation2,838
Grand Prix Attack2,580
Wing Gambit2,458
Hyperaccelerated Dragon2,110
Classical Variation1,843
Staunton-Cochrane Variation1,727
Mengarini Variation1,693
Moscow Variation1,685
Smith-Morra Gambit Declined1,649
Scheveningen Variation1,489
Chekhover Variation1,243
Nimzowitsch Variation1,155
Kalashnikov Variation972
Marshall Counterattack962
Franco-Sicilian Variation837
Sozin Attack837
Richter-Rauzer Variation804
Pin Variation738
Kramnik Variation703
Hyperaccelerated Pterodactyl657
Morphy Gambit599
Lasker-Dunne Attack584
Paulsen-Basman Defense557
Godiva Variation505
Smith-Morra Gambit Deferred476
Portsmouth Gambit400
Prins Variation333
Keres Variation321
Katalimov Variation321
Drazic Variation315
Wing Gambit Deferred195
Jalalabad Variation150
Flohr Variation148
Nimzo-American Variation136
Kveinis Variation125
Boleslavsky Variation96
Bücker Variation90
Myers Attack84
Halasz Gambit77
Quinteros Variation74
Venice Attack69
French Defense86,989
Advance Variation15,174
Exchange Variation14,093
Knight Variation11,322
Tarrasch Variation5,563
Normal Variation4,637
Rubinstein Variation4,045
Winawer Variation3,844
Classical Variation3,657
La Bourdonnais Variation2,751
Queen's Knight1,966
Two Knights Variation1,914
Steiner Variation1,828
King's Indian Attack1,675
Franco-Sicilian Defense1,234
Steinitz Variation1,109
Horwitz Attack1,019
Schlechter Variation958
Steinitz Attack847
Paulsen Variation767
Wing Gambit658
Orthoschnapp Gambit510
Chigorin Variation498
Mediterranean Defense491
Alekhine-Chatard Attack401
St. George Defense349
Alapin Gambit338
Diemer-Duhm Gambit Accepted270
Marshall Gambit267
Perseus Gambit197
Pelikan Variation178
Réti-Spielmann Attack164
Franco-Hiva Gambit107
Diemer-Duhm Gambit99
Carlson Gambit88
Bird Invitation73
Henneberger Variation70
Queen's Pawn Game79,112
Accelerated London System17,747
Chigorin Variation8,912
London System6,522
Zukertort Variation6,115
Colle System5,847
Symmetrical Variation3,365
Modern Defense2,476
Levitsky Attack1,877
Krause Variation1,675
Torre Attack1,243
Stonewall Attack1,200
Anti-Torre1,171
Mason Attack892
Veresov Attack767
Anglo-Slav Opening401
Hübsch Gambit211
Barry Attack168
Veresov150
Italian Game75,081
Two Knights Defense19,604
Classical Variation11,941
Giuoco Pianissimo9,423
Anti-Fried Liver Defense7,338
Giuoco Piano5,933
Evans Gambit3,919
Scotch Gambit3,635
Blackburne-Kostić Gambit2,649
Rousseau Gambit1,993
Hungarian Defense1,636
Paris Defense1,484
Evans Gambit Declined524
Rosentreter Gambit451
Deutz Gambit437
Jerome Gambit224
Bird's Attack153
Scotch Invitation Declined89
Caro-Kann Defense73,163
Advance Variation13,782
Exchange Variation7,841
Two Knights Attack5,297
Classical Variation4,438
Panov Attack4,084
Hillbilly Attack2,772
Maróczy Variation2,622
Accelerated Panov Attack2,344
Tartakower Variation2,270
Main Line1,574
Karpov Variation1,242
Breyer Variation1,102
Campomanes Attack569
Endgame Offer486
von Hennig Gambit426
Rasa-Studier Gambit393
Alien Gambit354
Forgacs Variation341
Goldman Variation320
Euwe Attack305
Bronstein-Larsen Variation285
Alekhine Gambit253
Modern Variation233
Ulysses Gambit224
Apocalypse Attack221
Gurgenidze System194
Scandinavian Defense57,443
Mieses-Kotroc Variation12,054
Modern Variation11,377
Main Line10,651
Valencian Variation3,310
Gubinsky-Melts Defense2,314
Icelandic-Palme Gambit1,944
Panov Transfer1,564
Blackburne Gambit1,301
Marshall Variation1,223
Boehnke Gambit1,007
Blackburne-Kloosterboer Gambit923
Portuguese Gambit759
Kloosterboer Gambit578
Bronstein Variation342
Lasker Variation300
Classical Variation269
Kiel Variation247
Anderssen Counterattack227
Schiller-Pytel Variation137
Richter Variation117
Queen's Gambit Declined49,509
Marshall Defense7,708
Albin Countergambit4,142
Exchange Variation3,352
Chigorin Defense2,861
Modern Variation2,717
Queen's Knight Variation2,385
Ragozin Defense2,340
Baltic Defense2,172
Three Knights Variation1,971
Normal Defense1,820
Harrwitz Attack1,634
Semi-Tarrasch Defense1,531
Austrian Defense1,052
Tarrasch Defense995
Traditional Variation919
Vienna Variation604
Orthodox Defense534
Janowski Variation401
Neo-Orthodox Variation323
Barmen Variation269
Charousek Variation255
Cambridge Springs Defense244
Three Knights232
Tartakower Defense197
Austrian Attack160
Pseudo-Tarrasch Variation117
Capablanca Variation117
Been-Koomen Variation112
Alapin Variation78
Lasker Defense75
Anti-Tartakower Variation71
English Opening41,735
King's English Variation14,795
Symmetrical Variation6,829
Anglo-Indian Defense5,631
Agincourt Defense3,782
Anglo-Scandinavian Defense2,231
Caro-Kann Defensive System1,500
Great Snake Variation1,233
The Whale1,008
Mikenas-Carls Variation655
Carls-Bremen System648
Anglo-Dutch Defense618
Four Knights System346
Anglo-Grünfeld Defense305
Anglo-Lithuanian Variation275
Jaenisch Gambit159
Neo-Catalan81
Mikenas-Carls70
Ruy Lopez40,242
Morphy Defense7,772
Berlin Defense7,171
Steinitz Defense6,538
Classical Variation4,274
Exchange Variation3,672
Schliemann Defense2,033
Bird Variation1,987
Cozio Defense1,934
Closed1,326
Open724
Marshall Attack458
Nürnberg Variation323
Fianchetto Defense130
Spanish Countergambit124
Open Berlin Defense100
Vinogradov Variation76
Scotch Game37,333
Scotch Gambit7,710
Classical Variation4,900
Schmidt Variation3,285
Göring Gambit2,549
Lolli Variation2,031
Haxo Gambit1,672
Benima Defense1,185
Mieses Variation750
Potter Variation549
Modern Defense353
Malaniuk Variation272
Blumenfeld Attack222
Steinitz Variation188
Ghulam-Kassim Variation103
Relfsson Gambit96
Vitzthum Attack91
Paulsen Attack89
Indian Defense36,135
Budapest Defense5,723
Normal Variation2,114
London System1,917
Anti-Nimzo-Indian1,143
Knights Variation1,115
Wade-Tartakower Defense993
Spielmann-Indian877
West Indian Defense573
Accelerated London System499
Reversed Chigorin Defense479
Seirawan Attack402
Przepiorka Variation380
Tartakower Attack344
Pawn Push Variation307
Omega Gambit264
Czech-Indian151
Colle System138
Anti-Grünfeld131
Maddigan Gambit116
Pseudo-Benko71
Philidor Defense25,174
King's Gambit Accepted20,452
MacLeod Defense3,109
Fischer Defense2,584
King's Knight's Gambit2,438
Bishop's Gambit1,780
Cunningham Defense1,753
Modern Defense1,669
Schallopp Defense1,493
Abbazia Defense888
Kieseritzky Gambit598
Becker Defense576
Muzio Gambit540
Blachly Gambit436
Salvio Gambit431
Rosentreter Gambit319
Bonsch-Osmolovsky Variation284
Allgaier Gambit205
Hanstein Gambit139
Double Muzio Gambit126
Traditional Variation115
Lolli Gambit108
Ghulam-Kassim Gambit96
Sörensen Gambit77
Mason-Keres Gambit63
Four Knights Game19,873
Zukertort Opening19,750
Tennison Gambit4,668
Sicilian Invitation1,857
Black Mustang Defense1,578
Queen's Gambit Invitation1,122
Kingside Fianchetto1,032
Slav Invitation874
Pirc Invitation849
Queenside Fianchetto Variation738
Dutch Variation642
Old Indian Attack531
Lemberger Gambit508
Nimzo-Larsen Variation505
Ross Gambit494
Reversed Mexican Defense276
Quiet System253
Wade Defense236
Reversed Grünfeld215
Lisitsyn Gambit175
The Walrus144
Vos Gambit132
Herrstrom Gambit123
Arctic Defense85
Lisitsyn Gambit Deferred77
Polish Defense70
Modern Defense19,340
Pirc Defense18,698
Vienna Game18,379
Bishop's Opening18,188
Slav Defense17,532
King's Pawn Game16,934
Busch-Gass Gambit3,454
Leonardis Variation2,970
McConnell Defense1,993
Wayward Queen Attack1,657
Napoleon Attack765
Maróczy Defense705
Damiano Defense697
MacLeod Attack545
Tayler Opening448
Gunderam Gambit390
King's Head Opening382
Beyer Gambit309
Alapin Opening275
Dresden Opening229
Mengarini's Opening213
Clam Variation86
Tortoise Opening66
Queen's Gambit Accepted13,679
Benoni Defense12,787
Nimzowitsch Defense12,430
Nimzo-Larsen Attack12,206
King's Indian Defense11,676
Normal Variation3,648
Orthodox Variation1,182
Fianchetto Variation925
Sämisch Variation872
Four Pawns Attack796
Smyslov Variation539
Zinnowitz Variation376
Makogonov Variation372
Semi-Classical Variation222
Accelerated Averbakh Variation203
Semi-Averbakh System189
Larsen Variation173
Averbakh Variation162
Petrosian Variation139
Kramer Variation95
Exchange Variation88
Steiner Attack74
Alekhine Defense11,633
Horwitz Defense10,556
King's Gambit Declined10,358
Englund Gambit10,099
Bird Opening9,823
Dutch Defense8,987
Petrov's Defense8,118
Nimzo-Indian Defense7,837
Van't Kruijs Opening7,291
Semi-Slav Defense7,021
Center Game6,919
Hungarian Opening6,042
Ponziani Opening5,464
Polish Opening4,678
Rat Defense4,420
English Defense4,257
Grünfeld Defense4,168
King's Indian Attack4,077
King's Gambit3,983
Danish Gambit3,456
Van Geet Opening2,841
Old Indian Defense2,445
Tarrasch Defense2,386
Réti Opening2,322
London System1,596
Latvian Gambit1,532
Czech Defense1,381
Duras Gambit1,350
Saragossa Opening1,341
East Indian Defense1,132
Slav Indian498
Ware Opening398
Ware Defense349
Carr Defense267
Wade Defense194
Amar Opening144
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