Chess openings
85 openings with 107,416 puzzles from real games. Pick the one you play: each has puzzles, and the popular ones also have a study, the mistakes players make at each rating, and their famous traps.
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85 openings · puzzle counts for White
Sicilian Defense10,162 puzzles
Traps: Magnus Smith Trap · Siberian Trap
- Accelerated DragonB32, B34, B35, B36, B37, B38, B39260
- Alapin VariationB22, B40566
- Big Clamp FormationB203
- Boleslavsky VariationB58, B5932
- Chekhover VariationB5338
- Classical VariationB56, B57, B58254
- ClosedB23, B24, B25, B26, B30269
- Coles Sicilian GambitB211
- Delayed Alapin VariationB22, B50111
- Double-Dutch GambitB271
- Dragon VariationB35, B54, B70, B71, B72, B73, B74, B75, B76, B77, B78, B79961
- Drazic VariationB4078
- Flohr VariationB3250
- Four Knights VariationB45414
- Franco-Sicilian VariationB3225
- French VariationB40226
- Gaw-Paw VariationB4037
- Gloria VariationB201
- Godiva VariationB3266
- Grand Prix AttackB2322
- Heidenfeld VariationB220
- Hyperaccelerated PterodactylB27115
- Kalashnikov VariationB32136
- Kan VariationB40, B41, B42, B43318
- Kupreichik VariationB5613
- Kveinis VariationB4041
- Lasker-Pelikan VariationB33435
- Löwenthal VariationB32214
- Magnus Smith TrapB5728
- Marshall CounterattackB4040
- McDonnell AttackB2123
- Modern VariationsB50, B54163
- Morphy GambitB219
- Moscow VariationB5233
- Najdorf VariationB84, B90, B91, B92, B93, B94, B95, B96, B97, B98, B991,191
- Nimzo-American VariationB3247
- Nimzowitsch VariationB2922
- Nyezhmetdinov-Rossolimo AttackB30, B3144
- O'Kelly VariationB28, B32151
- OpenB32, B33164
- Paulsen-Basman DefenseB40159
- Pin VariationB40229
- Prins VariationB54, B5520
- Richter-Rauzer VariationB60, B61, B62, B63, B64, B65, B66, B67, B68, B69380
- Scheveningen VariationB80, B81, B82, B83, B84, B85, B90273
- Sicilian DefenseB5051
- Smith-Morra Gambit AcceptedB211,081
- Smith-Morra Gambit DeclinedB21117
- Smith-Morra Gambit DeferredB4025
- Sozin AttackB86, B87, B88, B89207
- Spielmann VariationB561
- Taimanov VariationB44, B45, B46, B47, B48, B49952
- Velimirovic AttackB8913
- Venice AttackB5611
- Wing GambitB2041
Italian Game5,727 puzzles
Traps: Blackburne Shilling Trap · Fried Liver Attack · Giuoco Piano Centre Trap
- Anti-Fried Liver DefenseC50118
- Bird's AttackC5314
- Blackburne-Kostić GambitC5081
- Classical VariationC50, C53, C541,473
- Deutz GambitC5018
- Evans GambitC51, C52909
- Evans Gambit AcceptedC5114
- Evans Gambit DeclinedC5173
- Giuoco PianissimoC50654
- Giuoco PianoC50, C54257
- Hungarian DefenseC5085
- Italian GameC501
- Jerome GambitC500
- Paris DefenseC50206
- Rosentreter GambitC5034
- Rousseau GambitC5094
- Scotch GambitC56512
- Scotch Invitation DeclinedC5648
- Two Knights DefenseC55, C56, C57, C58, C591,136
French Defense3,283 puzzles
- Advance VariationC02614
- Alekhine-Chatard AttackC13251
- Carlson GambitC0011
- Classical VariationC11, C13, C14411
- Diemer-Duhm Gambit AcceptedC0020
- Exchange VariationC01199
- Hecht-Reefschläger VariationC1041
- Henneberger VariationC116
- La Bourdonnais VariationC0010
- Marshall GambitC1059
- McCutcheon VariationC12, C15114
- Orthoschnapp GambitC0032
- Perseus GambitC001
- Reversed Philidor FormationC001
- Rubinstein VariationC10159
- St. George DefenseC0021
- Steinitz VariationC11155
- Tarrasch VariationC03, C04, C05, C06, C07, C08, C09373
- Winawer VariationC15, C16, C17, C18, C19791
- Wing GambitC0014
Queen's Gambit Declined3,264 puzzles
Traps: Elephant Trap · Lasker Trap
- Alapin VariationD3133
- Albin CountergambitD08, D09136
- Alekhine VariationD519
- Anti-Tartakower VariationD556
- Austrian AttackD0621
- Austrian DefenseD0629
- Baltic DefenseD02, D06150
- Barmen VariationD3756
- Been-Koomen VariationD5014
- Cambridge Springs DefenseD5283
- Capablanca VariationD30, D5112
- Charousek VariationD3134
- Chigorin DefenseD07408
- Exchange VariationD35, D36233
- Harrwitz AttackD35, D37300
- Janowski VariationD3135
- Knight DefenseD372
- Lasker DefenseD53, D56, D5738
- Manhattan VariationD5129
- Marshall DefenseD0616
- Miles VariationD372
- Modern VariationD50, D51, D53, D55132
- Neo-Orthodox VariationD54, D5547
- Normal DefenseD35108
- Orthodox DefenseD60, D61, D62, D63, D64, D65, D66, D67, D68, D69274
- Pillsbury AttackD552
- Pseudo-Tarrasch VariationD5014
- Queen's Gambit DeclinedD52, D53, D56196
- Ragozin DefenseD38, D39276
- Rochlin VariationD513
- Semi-SlavD3127
- Semi-Tarrasch DefenseD40, D41, D42, D50174
- Semmering VariationD302
- Stonewall VariationD302
- Tarrasch DefenseD30, D32, D3498
- Tartakower DefenseD58, D5962
- Three KnightsD3729
- Three Knights VariationD37113
- Traditional VariationD3012
- Uhlmann VariationD531
- Vienna VariationD30, D3724
- Westphalian VariationD3822
Ruy Lopez3,179 puzzles
Traps: Fishing Pole Trap · Mortimer Trap · Noah's Ark Trap
- Alapin DefenseC607
- Berlin DefenseC65, C66, C67514
- Bird VariationC6162
- Bird's Defense DeferredC702
- Brentano GambitC602
- Brix VariationC782
- Bulgarian VariationC6015
- Central CountergambitC781
- Classical DefenseC6433
- Classical VariationC64, C65238
- ClosedC84, C85, C86, C87, C88, C90, C91, C92, C93, C94, C95, C96, C97, C98, C99458
- Closed Berlin DefenseC660
- Cozio DefenseC6046
- ExchangeC684
- Exchange VariationC68, C69324
- Fianchetto DefenseC6013
- Halloween AttackC650
- Lucena VariationC603
- Marshall AttackC89181
- Morphy DefenseC70, C71, C72, C73, C74, C75, C76, C77, C78, C79, C80667
- Noah's Ark TrapC71, C886
- Nürnberg VariationC6021
- OpenC80, C81, C82, C83275
- Open Berlin DefenseC6717
- Pollock DefenseC603
- Rabinovich VariationC780
- Retreat VariationC604
- Rotary-Albany GambitC605
- Schliemann DefenseC63152
- Spanish CountergambitC6021
- Steinitz DefenseC6291
- Steinitz Defense DeferredC791
- Vinogradov VariationC6010
- Wormald AttackC771
Caro-Kann Defense2,753 puzzles
Traps: Caro-Kann Advance Bishop Trap · Dinic Gambit Trap
- Accelerated Panov AttackB1058
- AdvanceB121
- Advance VariationB12334
- Alekhine GambitB1530
- Alien GambitB153
- Apocalypse AttackB1020
- Bronstein-Larsen VariationB1671
- Campomanes AttackB1570
- Caro-Kann DefenseB1513
- Classical VariationB18, B19302
- De Bruycker DefenseB121
- Dinic GambitB1038
- Edinburgh VariationB122
- Endgame VariationB1010
- Exchange VariationB13496
- Finnish VariationB1611
- Forgacs VariationB1512
- Gurgenidze CounterattackB1512
- Gurgenidze SystemB1529
- Hector GambitB109
- Hillbilly AttackB109
- Karpov VariationB17130
- Main LineB1520
- Martian GambitB184
- Maróczy VariationB1287
- Panov AttackB13, B14740
- Panov-BotvinnikB1310
- Rasa-Studier GambitB159
- Scorpion-Horus GambitB103
- Tartakower VariationB1569
- Two Knights AttackB11121
- Ulysses GambitB1218
- von Hennig GambitB1511
King's Indian Defense2,340 puzzles
- Accelerated Averbakh VariationE7031
- Averbakh VariationE73, E74, E75178
- Exchange VariationE927
- Fianchetto VariationE60, E61, E62, E63, E64, E65, E66, E67, E68, E69735
- Four Pawns AttackE76, E77, E78, E79162
- Karpov SystemE7123
- Kazakh VariationE9111
- Kramer VariationE704
- Larsen VariationE9022
- Makogonov VariationE7118
- Normal VariationE70, E72, E73, E90215
- Orthodox VariationE91, E92, E94, E95, E96, E97, E98, E99358
- Petrosian VariationE92, E9369
- Pomar SystemE724
- Santasiere VariationE600
- Semi-Averbakh SystemE7348
- Semi-Classical VariationE60, E6164
- Six Pawns AttackE771
- Smyslov VariationE6126
- Steiner AttackE8127
- Sämisch VariationE80, E81, E82, E83, E84, E85, E86, E87, E88, E89280
- Zinnowitz VariationE9057
Scotch Game1,784 puzzles
Traps: Scotch Gambit Trap
- Alekhine GambitC457
- Benima DefenseC4483
- Blumenfeld AttackC4517
- Braune VariationC454
- Classical VariationC45357
- Cochrane VariationC444
- Cochrane-Shumov DefenseC448
- Fraser VariationC451
- Ghulam-Kassim VariationC4510
- Göring GambitC44201
- Hanneken VariationC440
- Haxo GambitC44127
- Horwitz AttackC4519
- Lolli VariationC44125
- Malaniuk VariationC4532
- Meitner VariationC458
- Mieses VariationC4543
- Modern DefenseC4567
- Napoleon GambitC444
- Paulsen AttackC4533
- Paulsen VariationC450
- Potter VariationC4545
- Relfsson GambitC446
- Romanishin VariationC456
- Schmidt VariationC4583
- Scotch GambitC44360
- Scotch GameC44, C4579
- Steinitz VariationC4525
- Tartakower VariationC455
- Vitzthum AttackC4425
King's Gambit Accepted1,718 puzzles
- Abbazia DefenseC3651
- AllgaierC3939
- Allgaier GambitC3923
- Becker DefenseC3437
- Bishop's GambitC33317
- Blachly GambitC3794
- Bonsch-Osmolovsky VariationC3413
- Cunningham DefenseC35118
- Double Muzio GambitC3731
- Fischer DefenseC3455
- Ghulam-Kassim GambitC3730
- Gianutio CountergambitC3413
- Greco GambitC34, C3827
- Hanstein GambitC3823
- KieseritzkyC398
- Kieseritzky GambitC39124
- King's Knight's GambitC34, C37, C3995
- Lolli GambitC371
- MacLeod DefenseC34156
- Mayet GambitC3822
- McDonnell GambitC373
- Middleton CountergambitC370
- Modern DefenseC3636
- Muzio GambitC37103
- Muzio Gambit AcceptedC3710
- Philidor GambitC3811
- Quaade GambitC3711
- Rosentreter GambitC3717
- Salvio GambitC3787
- Schallopp DefenseC34106
- Silberschmidt GambitC372
- Sörensen GambitC3714
- Traditional VariationC3839
- Wagenbach DefenseC342
Scandinavian Defense2,050 puzzles
- Anderssen CounterattackB0158
- Blackburne GambitB0175
- Boehnke GambitB0155
- Bronstein VariationB0179
- Classical VariationB0155
- Grünfeld VariationB011
- Gubinsky-Melts DefenseB01222
- Icelandic-Palme GambitB0155
- Kiel VariationB0165
- Kloosterboer GambitB0167
- Kádas GambitB0111
- Lasker VariationB0131
- Main LineB01470
- Marshall VariationB01114
- Modern VariationB0177
- Panov TransferB0148
- Portuguese GambitB01108
- Richter VariationB0123
- Scandinavian DefenseB010
- Schiller-Pytel VariationB0154
- Valencian VariationB01382
English Opening1,599 puzzles
- Agincourt DefenseA13, A14147
- Anglo-Grünfeld DefenseA162
- Anglo-Indian DefenseA15, A16, A17, A19234
- Anglo-Scandinavian DefenseA1069
- ClosedA251
- Four Knights SystemA2822
- King's EnglishA221
- King's English VariationA21, A22, A23, A24, A25, A26, A28, A29566
- Mikenas-CarlsA1932
- Mikenas-Carls VariationA1836
- Neo-CatalanA1321
- Neo-Catalan DeclinedA134
- Porcupine VariationA103
- Romanishin GambitA132
- SymmetricalA300
- Symmetrical VariationA30, A32, A33, A34, A35, A36, A37, A38, A39459
Petrov's Defense1,175 puzzles
Traps: Petrov Defense Trap · Stafford Gambit Trap
- Classical AttackC42272
- Cochrane GambitC4224
- Cozio AttackC429
- Damiano VariationC42185
- French AttackC427
- Italian VariationC420
- Karklins-Martinovsky VariationC429
- Kaufmann AttackC4218
- Millennium AttackC425
- Modern AttackC43219
- Nimzowitsch AttackC4221
- Paulsen AttackC4214
- Petrov's DefenseC4241
- Stafford GambitC4265
- Stafford Gambit AcceptedC42286
Nimzo-Indian Defense1,232 puzzles
- Classical VariationE32, E33, E34, E35, E36, E37, E38, E39321
- Dilworth GambitE2029
- Kmoch VariationE2047
- Leningrad VariationE30, E3157
- Mikenas AttackE203
- Nimzo-Indian DefenseE20, E50105
- Normal VariationE46, E47, E48, E49, E51, E52, E53, E54, E55, E56, E57, E58, E59175
- Ragozin DefenseE4816
- Ragozin VariationE516
- Reshevsky VariationE4611
- Romanishin VariationE2036
- Rubinstein SystemE40, E41, E4283
- Simagin VariationE465
- Spielmann VariationE22, E2344
- St. Petersburg VariationE43, E44, E45160
- Sämisch VariationE24, E25, E26, E27, E28, E2979
- Three Knights VariationE2155
Slav Defense1,101 puzzles
- Alapin VariationD1618
- Alekhine VariationD1514
- Bonet GambitD115
- Breyer VariationD119
- Chebanenko VariationD1596
- Czech VariationD17, D18, D19171
- Exchange VariationD10, D13, D14149
- Geller GambitD1521
- Modern LineD1148
- Quiet VariationD11, D12278
- Schlechter VariationD1531
- Slav DefenseD1070
- Slav GambitD1022
- Smyslov VariationD166
- Soultanbeieff VariationD1618
- Steiner VariationD1639
- Süchting VariationD1511
- Three Knights VariationD1549
- Two Knights AttackD1528
- Winawer CountergambitD1018
Four Knights Game894 puzzles
- Four Knights GameC4766
- Glek SystemC4715
- Gunsberg VariationC4729
- Halloween GambitC476
- Italian VariationC47, C50223
- Naroditsky VariationC475
- Scotch VariationC47162
- Scotch Variation AcceptedC4775
- Spanish VariationC48, C49313
Queen's Pawn Game745 puzzles
- Accelerated London SystemD009
- Barry AttackA4894
- Chandler GambitD023
- Chigorin VariationD00, D0218
- Colle SystemD04, D05232
- Levitsky AttackD021
- London SystemD02204
- Symmetrical VariationD0281
- Torre AttackA46, A48, D0381
- VeresovA450
- Veresov AttackA4618
- Zilbermints CountergambitD021
- Zukertort VariationD053
Philidor Defense898 puzzles
Traps: Légal's Mate · Philidor Hanham Trap
- Albin-Blackburne GambitC4114
- Bird GambitC4112
- Boden VariationC4112
- Exchange VariationC41179
- HanhamC4112
- Hanham VariationC41144
- Larsen VariationC4140
- Lion VariationC41168
- Lopez CountergambitC4136
- Morphy GambitC4135
- NimzowitschC411
- Nimzowitsch VariationC4167
- Paulsen AttackC412
- Philidor CountergambitC4153
- Philidor DefenseC4194
- Philidor GambitC418
- Steinitz VariationC4121
Pirc Defense994 puzzles
- 150 AttackB0713
- Austrian AttackB09306
- Bayonet AttackB0721
- Byrne VariationB0734
- Chinese VariationB0716
- Classical VariationB08475
- Kholmov SystemB0721
- Pirc DefenseB07104
- Sveshnikov SystemB074
Grünfeld Defense756 puzzles
- Botvinnik VariationD953
- Brinckmann AttackD82, D83, D8462
- Counterthrust VariationE604
- Exchange VariationD85, D86, D87, D88, D89258
- Flohr DefenseD941
- Flohr VariationD903
- Gibbon GambitD801
- Grünfeld DefenseD8027
- Lundin VariationD803
- Lutikov VariationD809
- Makogonov VariationD945
- Opocensky VariationD945
- Pachman VariationD954
- Russian VariationD81, D96, D97, D98, D99136
- Smyslov DefenseD9416
- Stockholm VariationD8011
- Three Knights VariationA56, D90, D91, D92, D93, D94, D95202
- Zaitsev GambitD806
Semi-Slav Defense847 puzzles
- Accelerated Meran VariationD4511
- Accelerated Move OrderD3198
- Anti-Moscow GambitD436
- Anti-NoteboomD3116
- Bogoljubow VariationD4618
- Botvinnik VariationD4468
- Chigorin DefenseD4655
- Gunderam GambitD313
- Hastings VariationD430
- Main LineD45, D4656
- Marshall GambitD3140
- Meran VariationD47, D48, D4987
- Moscow VariationD4324
- Normal VariationD4553
- Noteboom VariationD3159
- Quiet VariationD3020
- Romih VariationD4626
- Rubinstein SystemD452
- Semi-Meran VariationD476
- Semi-Slav DefenseD43155
- Stoltz VariationD4532
- Stonewall DefenseD4512
Alekhine Defense788 puzzles
- Alekhine DefenseB0398
- Balogh VariationB0314
- Exchange VariationB0350
- Four Pawns AttackB03115
- Hunt VariationB02, B0344
- Kmoch VariationB029
- Modern VariationB03, B04, B05285
- Mokele MbembeB0255
- O'Sullivan GambitB0316
- Scandinavian VariationB0253
- Spielmann GambitB027
- Steiner VariationB024
- The SquirrelB024
- Two Pawns AttackB0234
Modern Defense739 puzzles
- Anti-ModernB065
- Averbakh SystemA4228
- Averbakh VariationA426
- Beefeater VariationA4018
- Bishop AttackB061
- Dunworthy VariationB061
- Geller's SystemB0750
- Gurgenidze DefenseB067
- Kotov VariationA4261
- Lizard DefenseB0625
- Modern DefenseA4167
- Modern PterodactylB0634
- Mongredien DefenseB0648
- Neo-Modern DefenseA418
- Norwegian DefenseB067
- Pseudo-Austrian AttackB0628
- Pterodactyl VariationB274
- Randspringer VariationA425
- Semi-Averbakh VariationA0416
- Standard DefenseB06157
- Two Knights VariationB06163
Queen's Gambit Accepted752 puzzles
Traps: Queen's Gambit Accepted Trap
- Alekhine DefenseD21, D2232
- Bogoljubow DefenseD249
- Central VariationD20230
- Classical DefenseD26, D27, D28, D2990
- Furman VariationD272
- Godes VariationD2111
- Gunsberg DefenseD21, D2469
- Janowski-Larsen VariationD2537
- Linares VariationD2022
- Mannheim VariationD234
- Normal VariationD25, D2634
- Old VariationD2016
- Queen's Gambit AcceptedD23, D2473
- Rosenthal VariationD2148
- Schwartz DefenseD204
- Showalter VariationD2424
- Slav GambitD2114
- Smyslov VariationD259
- Winawer DefenseD2524
Benoni Defense612 puzzles
- Benoni DefenseA6113
- Benoni-Indian DefenseA432
- Classical VariationA70, A71, A72, A73, A74, A75, A76, A77, A78, A79125
- Czech Benoni DefenseA5613
- Fianchetto VariationA61, A62, A63, A6447
- Four Pawns AttackA68, A6958
- Franco-Sicilian HybridA403
- Hawk VariationA431
- Hromádka SystemA5629
- King's Indian SystemA567
- King's Pawn LineA6565
- Knight's Tour VariationA616
- Mikenas VariationA6618
- Modern VariationA60131
- Old BenoniA436
- Pawn Storm VariationA6615
- Semi-BenoniA4424
- Taimanov VariationA6710
- Uhlmann VariationA6110
- Weenink VariationA5622
- WoozleA437
Indian Defense636 puzzles
Traps: Kieninger Trap
- Accelerated London SystemA454
- Anti-GrünfeldE608
- Budapest Gambit AcceptedA51, A52566
- Colle SystemA4815
- Dzindzi-Indian DefenseE103
- Döry IndianE108
- Gibbins-Weidenhagen GambitA454
- Indian DefenseA451
- Omega GambitA451
- Pseudo-BenkoA4326
Nimzowitsch Defense607 puzzles
- Breyer VariationB0032
- El Columpio DefenseB0011
- Kennedy VariationB00319
- Scandinavian VariationB00245
King's Gambit Declined402 puzzles
- ClassicalC304
- Classical VariationC3033
- Falkbeer CountergambitC31, C32278
- Keene DefenseC3018
- Miles DefenseC3048
- Norwalde VariationC302
- Panteldakis CountergambitC3010
- Soller-Zilbermints GambitC305
- Zilbermints Double GambitC304
Queen's Indian Defense576 puzzles
- Anti-Queen's Indian SystemE1714
- Capablanca VariationE1637
- Classical VariationE17, E18, E19187
- Euwe VariationE175
- Fianchetto VariationE15, E17127
- Kasparov VariationE12, E1348
- Kasparov-Petrosian VariationE1267
- Miles VariationE125
- Petrosian VariationE126
- Queen's Indian DefenseE1213
- Riumin VariationE168
- Spassky SystemE1422
- Spassky System3E1411
- Traditional VariationE1711
- Yates VariationE1615
Bishop's Opening293 puzzles
- Anderssen GambitC232
- Boden-Kieseritzky GambitC2740
- Boi VariationC231
- Horwitz GambitC261
- Kitchener FollyC245
- Lewis CountergambitC231
- Lopez GambitC230
- Lopez VariationC230
- McDonnell GambitC235
- Paulsen DefenseC2429
- Urusov GambitC24, C4363
- Vienna HybridC24, C26, C28140
- Warsaw GambitC244
- del Rio VariationC232
Dutch Defense530 puzzles
- Alekhine VariationA9215
- Blackburne VariationA816
- Blackmar's Second GambitA8218
- Bladel VariationA841
- Classical VariationA90, A91, A92, A96, A97, A98, A99204
- Krause VariationA8416
- Krejcik GambitA802
- Leningrad VariationA86, A87, A88, A8998
- Nimzo-Dutch VariationA9022
- Semi-Leningrad VariationA8114
- Staunton GambitA82, A8347
- Stonewall VariationA90, A92, A93, A94, A9587
Tarrasch Defense439 puzzles
- Classical VariationD34134
- Dubov TarraschD3324
- Grünfeld GambitD324
- Marshall GambitD323
- Prague VariationD33, D3425
- Rubinstein SystemD338
- Schara GambitD3233
- Swedish VariationD336
- Symmetrical VariationD3298
- Tarrasch DefenseD3238
- Tarrasch GambitD324
- Two Knights VariationD3228
- Wagner VariationD3330
- von Hennig GambitD324
Vienna Game357 puzzles
Traps: Vienna Gambit Trap
- Adams' GambitC272
- Frankenstein-Dracula VariationC2739
- Giraffe AttackC251
- Hamppe-MuzioC253
- Hamppe-Muzio GambitC258
- Heyde VariationC291
- Mieses VariationC263
- Paulsen VariationC25, C262
- Pierce GambitC251
- Stanley VariationC25, C26, C27, C28146
- Vienna GambitC29150
- Vienna GameC251
- Zhuravlev CountergambitC250
Catalan Opening469 puzzles
- Catalan OpeningE007
- ClosedE06, E07, E08, E09159
- Closed VariationE0912
- Hungarian GambitE001
- Open DefenseE01, E02, E03, E04, E05247
- Tarrasch DefenseE0143
Danish Gambit Accepted486 puzzles
- Chigorin DefenseC2129
- Classical DefenseC2159
- Copenhagen DefenseC21151
- Danish Gambit AcceptedC21183
- Schlechter DefenseC2163
- Svenonius DefenseC211
Center Game305 puzzles
Ponziani Opening280 puzzles
- Caro GambitC4416
- Jaenisch CounterattackC44131
- Leonhardt VariationC4423
- Neumann GambitC4418
- Ponziani CountergambitC4421
- Romanishin VariationC442
- Réti VariationC443
- Spanish VariationC4433
- Steinitz VariationC4420
- Vukovic GambitC4413
Neo-Grünfeld Defense402 puzzles
- Classical VariationD77, D78265
- Delayed Exchange VariationD74, D75, D7658
- Exchange VariationD7120
- Goglidze AttackD704
- Ultra-Delayed Exchange VariationD7924
- with Nf3D709
- with g3D70, D72, D7322
Blackmar-Diemer Gambit Accepted307 puzzles
- Blackmar-Diemer Gambit AcceptedD006
- Bogoljubow DefenseD0036
- Euwe DefenseD0026
- Gunderam DefenseD0031
- Holwell DefenseD002
- Kaulich DefenseD0013
- Pietrowsky DefenseD0031
- Ritter DefenseD0010
- Ryder GambitD0036
- Schlutter DefenseD004
- Teichmann DefenseD0084
- Ziegler DefenseD0028
Vienna Gambit, with Max Lange Defense237 puzzles
- Cunningham DefenseC2518
- Hamppe-Allgaier GambitC2547
- Hamppe-Muzio GambitC2552
- Knight VariationC2553
- Pierce GambitC2522
- Quelle GambitC259
- Steinitz GambitC2536
Réti Opening268 puzzles
- Advance VariationA0915
- Anglo-Slav VariationA11, A12, A14178
- Reversed Blumenfeld GambitA0922
- Réti GambitA0953
Blackmar-Diemer Gambit230 puzzles
Pterodactyl Defense205 puzzles
- AustrianB065
- CentralA40, A42, B0614
- EasternB0688
- FianchettoA40, B0610
- Pterodactyl DefenseA420
- Queen PterodactylA4013
- SicilianB06, B2735
- WesternB06, B2740
Van Geet Opening174 puzzles
- Berlin GambitB0020
- Grünfeld DefenseB01, C31112
- Hergert GambitA000
- Hulsemann GambitA001
- Liebig GambitA001
- Melleby GambitA000
- Novosibirsk VariationA008
- Reversed ScandinavianA009
- Sicilian Two KnightsA0022
- Sleipnir GambitA001
- Van Geet OpeningA000
Englund Gambit187 puzzles
Traps: Englund Gambit Trap
- Felbecker GambitA4059
- Main LineA4069
- Soller Gambit DeferredA4019
- Stockholm VariationA4016
- Zilbermints GambitA4024
King's Indian Attack179 puzzles
- French VariationA0837
- Keres VariationA0740
- Pachman SystemA077
- Sicilian VariationA0824
- Wahls DefenseA0534
- Yugoslav VariationA0737
Blackmar-Diemer Gambit Declined172 puzzles
- Brombacher CountergambitD007
- Elbert CountergambitD007
- Gedult DefenseD001
- Lamb DefenseD0020
- Langeheinicke DefenseD0011
- O'Kelly DefenseD0030
- Vienna DefenseD0067
- Weinsbach DefenseD0029
Old Indian Defense164 puzzles
- Czech VariationA5363
- Duz-Khotimirsky VariationA540
- Janowski VariationA5356
- Normal VariationA555
- Tartakower-IndianA5415
- Two Knights VariationA5410
- Ukrainian VariationA5415
Zukertort Opening111 puzzles
Traps: Tennison Gambit Trap
Elephant Gambit116 puzzles
- Maróczy GambitC4020
- Paulsen CountergambitC4092
- Wasp VariationC404
Bogo-Indian Defense172 puzzles
- Bogo-Indian DefenseE1112
- Exchange VariationE119
- Grünfeld VariationE1141
- Haiti VariationE114
- Monticelli TrapE113
- New England VariationE112
- Nimzowitsch VariationE1136
- Retreat VariationE1139
- Vitolins VariationE1116
- Wade-Smyslov VariationE1110
Bird Opening113 puzzles
- Dutch VariationB2137
- From's GambitA0248
- Lasker VariationA0312
- Siegener GambitA020
- Swiss GambitA020
- Williams GambitA0310
- Williams-Zilbermints GambitA036
Benko Gambit104 puzzles
- Benko GambitA57, A5955
- Fianchetto VariationA582
- Mutkin CountergambitA571
- Nd2 VariationA580
- Nescafe Frappe AttackA5710
- Zaitsev SystemA5720
- Zaitsev VariationA5716
Benko Gambit Accepted80 puzzles
Three Knights Opening119 puzzles
Latvian Gambit57 puzzles
- Behting VariationC405
- Clam GambitC445
- Corkscrew CountergambitC404
- Corkscrew GambitC402
- Fraser DefenseC406
- Greco VariationC4011
- Mayet AttackC4024
Richter-Veresov Attack68 puzzles
- Boyce DefenseD019
- Malich GambitD011
- Richter VariationD0116
- Richter-Veresov AttackD0126
- Two Knights SystemD0112
- Veresov VariationD014
Rubinstein Opening95 puzzles
- Bogoljubow DefenseD0535
- Classical DefenseD0518
- Rubinstein OpeningD0515
- Semi-Slav DefenseD0527
Latvian Gambit Accepted46 puzzles
King's Pawn Game59 puzzles
Traps: Scholar's Mate
- Alapin OpeningC200
- Beyer GambitC200
- Busch-Gass GambitC4016
- Clam VariationC209
- Damiano DefenseC404
- Gunderam DefenseC403
- King's Pawn GameC201
- La Bourdonnais GambitC401
- Philidor GambitC202
- Schulze-Müller GambitC440
- Tayler OpeningC4411
- Wayward Queen AttackC201
- Weber GambitC2011
Benko Gambit Declined41 puzzles
- Bishop AttackA573
- Hjørring CountergambitA578
- Main LineA5713
- Pseudo-SämischA575
- Quiet LineA579
- Sosonko VariationA573
Trompowsky Attack53 puzzles
- Borg VariationA4535
- Edge VariationA451
- Poisoned Pawn VariationA4510
- Raptor VariationA457
- Trompowsky AttackA450
Mikenas Defense65 puzzles
- Cannstatter VariationA4018
- Lithuanian VariationA4033
- Pozarek GambitA4014
Blumenfeld Countergambit39 puzzles
Polish Opening20 puzzles
English Defense14 puzzles
Open an opening to see its variations, or train all of them at once. New to an opening? Start with one of the 21 interactive studies. You can also browse the famous opening traps and the opening mistakes by rating, or find your opening by playing its moves.