Puzzles by openings
Sicilian Defense204,223
Old Sicilian13,956
Alapin Variation13,692
Closed13,690
Bowdler Attack13,683
Najdorf Variation11,087
Modern Variations10,735
Smith-Morra Gambit8,481
McDonnell Attack7,903
Taimanov Variation7,069
Open6,837
French Variation6,487
Nyezhmetdinov-Rossolimo Attack5,912
Accelerated Dragon5,881
Dragon Variation5,423
Kan Variation4,948
Smith-Morra Gambit Accepted4,762
Löwenthal Variation3,779
Delayed Alapin Variation3,416
Lasker-Pelikan Variation3,224
Four Knights Variation2,915
O'Kelly Variation2,840
Grand Prix Attack2,585
Wing Gambit2,463
Hyperaccelerated Dragon2,115
Classical Variation1,845
Staunton-Cochrane Variation1,727
Mengarini Variation1,695
Moscow Variation1,686
Smith-Morra Gambit Declined1,650
Scheveningen Variation1,491
Chekhover Variation1,244
Nimzowitsch Variation1,156
Kalashnikov Variation974
Marshall Counterattack962
Sozin Attack838
Franco-Sicilian Variation837
Richter-Rauzer Variation805
Pin Variation738
Kramnik Variation703
Hyperaccelerated Pterodactyl657
Morphy Gambit599
Lasker-Dunne Attack585
Paulsen-Basman Defense558
Godiva Variation505
Smith-Morra Gambit Deferred476
Portsmouth Gambit401
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 Defense87,040
Advance Variation15,180
Exchange Variation14,104
Knight Variation11,325
Tarrasch Variation5,567
Normal Variation4,642
Rubinstein Variation4,049
Winawer Variation3,845
Classical Variation3,659
La Bourdonnais Variation2,751
Queen's Knight1,966
Two Knights Variation1,916
Steiner Variation1,829
King's Indian Attack1,676
Franco-Sicilian Defense1,236
Steinitz Variation1,110
Horwitz Attack1,019
Schlechter Variation958
Steinitz Attack847
Paulsen Variation768
Wing Gambit659
Orthoschnapp Gambit510
Chigorin Variation500
Mediterranean Defense492
Alekhine-Chatard Attack401
St. George Defense349
Alapin Gambit339
Diemer-Duhm Gambit Accepted270
Marshall Gambit268
Perseus Gambit197
Pelikan Variation178
Réti-Spielmann Attack164
Franco-Hiva Gambit107
Diemer-Duhm Gambit99
Carlson Gambit88
Bird Invitation73
Henneberger Variation70
Queen's Pawn Game79,171
Accelerated London System17,756
Chigorin Variation8,919
London System6,527
Zukertort Variation6,124
Colle System5,854
Symmetrical Variation3,368
Modern Defense2,481
Levitsky Attack1,877
Krause Variation1,676
Torre Attack1,246
Stonewall Attack1,200
Anti-Torre1,171
Mason Attack892
Veresov Attack767
Anglo-Slav Opening401
Hübsch Gambit211
Barry Attack169
Veresov150
Italian Game75,128
Two Knights Defense19,617
Classical Variation11,947
Giuoco Pianissimo9,427
Anti-Fried Liver Defense7,343
Giuoco Piano5,937
Evans Gambit3,919
Scotch Gambit3,640
Blackburne-Kostić Gambit2,649
Rousseau Gambit1,997
Hungarian Defense1,636
Paris Defense1,486
Evans Gambit Declined524
Rosentreter Gambit452
Deutz Gambit439
Jerome Gambit224
Bird's Attack153
Scotch Invitation Declined90
Caro-Kann Defense73,241
Advance Variation13,795
Exchange Variation7,851
Two Knights Attack5,308
Classical Variation4,443
Panov Attack4,087
Hillbilly Attack2,772
Maróczy Variation2,626
Accelerated Panov Attack2,347
Tartakower Variation2,274
Main Line1,579
Karpov Variation1,243
Breyer Variation1,102
Campomanes Attack570
Endgame Offer487
von Hennig Gambit427
Rasa-Studier Gambit394
Alien Gambit356
Forgacs Variation341
Goldman Variation320
Euwe Attack305
Bronstein-Larsen Variation285
Alekhine Gambit253
Modern Variation233
Ulysses Gambit225
Apocalypse Attack221
Gurgenidze System194
Scandinavian Defense57,493
Mieses-Kotroc Variation12,063
Modern Variation11,384
Main Line10,662
Valencian Variation3,313
Gubinsky-Melts Defense2,315
Icelandic-Palme Gambit1,950
Panov Transfer1,566
Blackburne Gambit1,303
Marshall Variation1,224
Boehnke Gambit1,007
Blackburne-Kloosterboer Gambit923
Portuguese Gambit761
Kloosterboer Gambit579
Bronstein Variation342
Lasker Variation300
Classical Variation269
Kiel Variation247
Anderssen Counterattack227
Schiller-Pytel Variation137
Richter Variation117
Queen's Gambit Declined49,536
Marshall Defense7,711
Albin Countergambit4,143
Exchange Variation3,353
Chigorin Defense2,863
Modern Variation2,718
Queen's Knight Variation2,386
Ragozin Defense2,341
Baltic Defense2,172
Three Knights Variation1,976
Normal Defense1,820
Harrwitz Attack1,635
Semi-Tarrasch Defense1,532
Austrian Defense1,053
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 Opening41,756
King's English Variation14,801
Symmetrical Variation6,831
Anglo-Indian Defense5,635
Agincourt Defense3,783
Anglo-Scandinavian Defense2,233
Caro-Kann Defensive System1,502
Great Snake Variation1,233
The Whale1,009
Mikenas-Carls Variation655
Carls-Bremen System649
Anglo-Dutch Defense618
Four Knights System346
Anglo-Grünfeld Defense305
Anglo-Lithuanian Variation275
Jaenisch Gambit159
Neo-Catalan82
Mikenas-Carls70
Ruy Lopez40,266
Morphy Defense7,779
Berlin Defense7,174
Steinitz Defense6,542
Classical Variation4,275
Exchange Variation3,674
Schliemann Defense2,033
Bird Variation1,988
Cozio Defense1,937
Closed1,327
Open725
Marshall Attack458
Nürnberg Variation324
Fianchetto Defense130
Spanish Countergambit124
Open Berlin Defense100
Vinogradov Variation76
Scotch Game37,355
Scotch Gambit7,715
Classical Variation4,900
Schmidt Variation3,288
Göring Gambit2,553
Lolli Variation2,035
Haxo Gambit1,674
Benima Defense1,186
Mieses Variation750
Potter Variation549
Modern Defense353
Malaniuk Variation272
Blumenfeld Attack222
Steinitz Variation188
Ghulam-Kassim Variation103
Relfsson Gambit96
Vitzthum Attack91
Paulsen Attack89
Indian Defense36,156
Budapest Defense5,725
Normal Variation2,116
London System1,917
Anti-Nimzo-Indian1,143
Knights Variation1,115
Wade-Tartakower Defense996
Spielmann-Indian879
West Indian Defense573
Accelerated London System505
Reversed Chigorin Defense479
Seirawan Attack403
Przepiorka Variation380
Tartakower Attack344
Pawn Push Variation307
Omega Gambit264
Czech-Indian151
Colle System138
Anti-Grünfeld131
Maddigan Gambit116
Pseudo-Benko71
Philidor Defense25,193
King's Gambit Accepted20,458
MacLeod Defense3,110
Fischer Defense2,587
King's Knight's Gambit2,438
Bishop's Gambit1,780
Cunningham Defense1,753
Modern Defense1,671
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 Game19,887
Zukertort Opening19,767
Tennison Gambit4,673
Sicilian Invitation1,857
Black Mustang Defense1,580
Queen's Gambit Invitation1,122
Kingside Fianchetto1,032
Slav Invitation877
Pirc Invitation849
Queenside Fianchetto Variation738
Dutch Variation642
Old Indian Attack531
Lemberger Gambit510
Nimzo-Larsen Variation505
Ross Gambit495
Reversed Mexican Defense276
Quiet System253
Wade Defense236
Reversed Grünfeld215
Lisitsyn Gambit176
The Walrus144
Vos Gambit132
Herrstrom Gambit123
Arctic Defense86
Lisitsyn Gambit Deferred77
Polish Defense70
Modern Defense19,353
Pirc Defense18,710
Vienna Game18,393
Bishop's Opening18,192
Slav Defense17,545
King's Pawn Game16,942
Busch-Gass Gambit3,455
Leonardis Variation2,970
McConnell Defense1,994
Wayward Queen Attack1,659
Napoleon Attack765
Maróczy Defense706
Damiano Defense697
MacLeod Attack545
Tayler Opening449
Gunderam Gambit390
King's Head Opening382
Beyer Gambit310
Alapin Opening275
Dresden Opening229
Mengarini's Opening213
Clam Variation87
Tortoise Opening66
Queen's Gambit Accepted13,689
Benoni Defense12,794
Nimzowitsch Defense12,439
Nimzo-Larsen Attack12,212
King's Indian Defense11,682
Normal Variation3,648
Orthodox Variation1,183
Fianchetto Variation925
Sämisch Variation873
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 Variation96
Exchange Variation88
Steiner Attack74
Alekhine Defense11,644
Horwitz Defense10,563
King's Gambit Declined10,372
Englund Gambit10,112
Bird Opening9,834
Dutch Defense8,993
Petrov's Defense8,127
Nimzo-Indian Defense7,844
Van't Kruijs Opening7,296
Semi-Slav Defense7,022
Center Game6,927
Hungarian Opening6,047
Ponziani Opening5,469
Polish Opening4,680
Rat Defense4,422
English Defense4,258
Grünfeld Defense4,168
King's Indian Attack4,080
King's Gambit3,984
Danish Gambit3,456
Van Geet Opening2,842
Old Indian Defense2,446
Tarrasch Defense2,386
Réti Opening2,324
London System1,597
Latvian Gambit1,534
Czech Defense1,381
Duras Gambit1,350
Saragossa Opening1,341
East Indian Defense1,132
Slav Indian498
Ware Opening398
Ware Defense350
Carr Defense267
Wade Defense194
Amar Opening144
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