Chess Openings

3810 ECO lines with main-line moves and diagrams. Start with the flagship families, or browse by volume.

Flagship openings

Sicilian Defense B20
2 plies in the main line
French Defense C00
2 plies in the main line
English Opening A10
1 plies in the main line
Caro-Kann Defense B10
2 plies in the main line
Queen's Pawn Game A40
1 plies in the main line
Queen's Pawn Game A41
2 plies in the main line
Queen's Pawn Game D00
2 plies in the main line
Dutch Defense A80
2 plies in the main line
Alekhine Defense B02
2 plies in the main line
Indian Defense A45
2 plies in the main line
Zukertort Opening A04
1 plies in the main line
Zukertort Opening A05
2 plies in the main line
Zukertort Opening A06
2 plies in the main line
Scandinavian Defense B01
2 plies in the main line
Réti Opening A09
3 plies in the main line
Nimzowitsch Defense B00
2 plies in the main line
Modern Defense B06
2 plies in the main line
King's Pawn Game B00
1 plies in the main line
King's Pawn Game C20
2 plies in the main line
Van Geet Opening A00
1 plies in the main line
Bird Opening A02
1 plies in the main line
Pirc Defense B00
2 plies in the main line
Polish Opening A00
1 plies in the main line
King's Indian Attack A07
3 plies in the main line

All lines by ECO volume

A — Flank openings (817)B — Semi-open games (772)C — Open games & French (1250)D — Closed & semi-closed (614)E — Indian defenses (357)

C — Open games & French

NameECOMoves
Bishop's Opening: Urusov Gambit, Panov VariationC2412
Bishop's Opening: Vienna HybridC247
Bishop's Opening: Warsaw GambitC247
Vienna Gambit, with Max Lange DefenseC255
Vienna Gambit, with Max Lange Defense: Cunningham DefenseC258
Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier GambitC2511
Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin VariationC2512
Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Thorold VariationC2515
Vienna Gambit, with Max Lange Defense: Hamppe-Muzio GambitC2512
Vienna Gambit, with Max Lange Defense: Knight VariationC257
Vienna Gambit, with Max Lange Defense: Pierce GambitC259
Vienna Gambit, with Max Lange Defense: Quelle GambitC258
Vienna Gambit, with Max Lange Defense: Steinitz GambitC257
Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Fraser-Minckwitz DefenseC2510
Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Main LineC259
Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Paulsen DefenseC2510
Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Sörensen DefenseC2510
Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Zukertort DefenseC2510
Vienna GameC253
Vienna Game: Anderssen DefenseC254
Vienna Game: Fyfe GambitC255
Vienna Game: Giraffe AttackC255
Vienna Game: Hamppe-Meitner VariationC255
Vienna Game: Hamppe-Muzio GambitC2511
Vienna Game: Hamppe-Muzio, Dubois VariationC2516
Vienna Game: Max Lange DefenseC254
Vienna Game: Omaha GambitC255
Vienna Game: Paulsen VariationC255
Vienna Game: Paulsen VariationC2510
Vienna Game: Paulsen Variation, Mariotti GambitC2510
Vienna Game: Philidor CountergambitC256
Vienna Game: Pierce Gambit, Rushmere AttackC2517
Vienna Game: Stanley Variation, Meitner-Mieses GambitC259
Vienna Game: Zhuravlev CountergambitC256
Bishop's Opening: Horwitz GambitC266
Bishop's Opening: Vienna Hybrid, Spielmann AttackC267
Vienna Game: Falkbeer VariationC264
Vienna Game: Mengarini VariationC265
Vienna Game: Mieses VariationC265
Vienna Game: Mieses Variation, Erben GambitC268
Vienna Game: Paulsen Variation, Pollock GambitC2611
Vienna Game: Stanley VariationC265
Vienna Game: Stanley Variation, Eifel GambitC268
Vienna Game: Stanley Variation, Reversed SpanishC266
Bishop's Opening: Boden-Kieseritzky GambitC277
Bishop's Opening: Boden-Kieseritzky Gambit, Lichtenhein DefenseC278
Vienna Game: Adams' GambitC2711
Vienna Game: Frankenstein-Dracula VariationC276
Vienna Game: Stanley Variation, Alekhine VariationC2713
Vienna Game: Stanley Variation, Frankenstein-Dracula VariationC2720
Vienna Game: Stanley Variation, Monster DeclinedC2710
Bishop's Opening: Vienna Hybrid, Hromádka VariationC289
Vienna Game: Stanley Variation, Bronstein GambitC289
Vienna Game: Stanley Variation, Three Knights VariationC286
Vienna Game: Heyde VariationC2911
Vienna Game: Vienna GambitC295
Vienna Game: Vienna Gambit, Bardeleben VariationC2910
Vienna Game: Vienna Gambit, Breyer VariationC2910
Vienna Game: Vienna Gambit, Kaufmann VariationC2911
Vienna Game: Vienna Gambit, Main LineC296
Vienna Game: Vienna Gambit, Modern VariationC299
Vienna Game: Vienna Gambit, Paulsen AttackC299
Vienna Game: Vienna Gambit, Steinitz VariationC297
Vienna Game: Vienna Gambit, Wurzburger TrapC2915
King's GambitC303
King's Gambit Declined: Classical VariationC304
King's Gambit Declined: Classical VariationC307
King's Gambit Declined: Classical Variation, Euwe AttackC3011
King's Gambit Declined: Classical Variation, Rotlewi CountergambitC307
King's Gambit Declined: Classical Variation, Rubinstein CountergambitC308
King's Gambit Declined: Classical Variation, Walthoffen AttackC305
King's Gambit Declined: Classical, Hanham VariationC308
King's Gambit Declined: Classical, Réti VariationC3013
King's Gambit Declined: Classical, Soldatenkov VariationC307
King's Gambit Declined: Classical, Svenonius VariationC3016
King's Gambit Declined: Hobbs-Zilbermints GambitC308
King's Gambit Declined: Keene DefenseC306
King's Gambit Declined: Keene's DefenseC304
King's Gambit Declined: Keene's DefenseC305
King's Gambit Declined: Mafia DefenseC304
King's Gambit Declined: Miles DefenseC306
King's Gambit Declined: Norwalde VariationC304
King's Gambit Declined: Norwalde Variation, Bücker GambitC309
King's Gambit Declined: Norwalde Variation, Schubert VariationC307
King's Gambit Declined: Panteldakis CountergambitC304
King's Gambit Declined: Panteldakis Countergambit, Greco VariationC306
King's Gambit Declined: Panteldakis Countergambit, Pawn Sacrifice LineC3011
King's Gambit Declined: Panteldakis Countergambit, Schiller's DefenseC306
King's Gambit Declined: Panteldakis Countergambit, Shirazi LineC308
King's Gambit Declined: Panteldakis Countergambit, Symmetrical VariationC3011
King's Gambit Declined: Petrov's DefenseC304
King's Gambit Declined: Queen's Knight DefenseC304
King's Gambit Declined: Senechaud CountergambitC306
King's Gambit Declined: Soller-Zilbermints GambitC306
King's Gambit Declined: Zilbermints Double CountergambitC304
King's Gambit Declined: Zilbermints Double GambitC306
King's Gambit Declined: Falkbeer CountergambitC314
King's Gambit Declined: Falkbeer Countergambit AcceptedC315
King's Gambit Declined: Falkbeer Countergambit, Anderssen AttackC317
King's Gambit Declined: Falkbeer Countergambit, Blackburne AttackC315

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