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
French Defense: Rubinstein Variation, Capablanca LineC1013
French Defense: Rubinstein Variation, Ellis GambitC108
French Defense: Rubinstein Variation, Fort Knox VariationC1010
French Defense: Rubinstein Variation, Kasparov AttackC1013
French Defense: Rubinstein Variation, Maric VariationC108
French Defense: Classical VariationC116
French Defense: Classical VariationC117
French Defense: Classical Variation, Burn VariationC118
French Defense: Classical Variation, Burn Variation, Main LineC1114
French Defense: Classical Variation, Burn Variation, Morozevich LineC1112
French Defense: Classical Variation, Delayed Exchange VariationC117
French Defense: Classical Variation, Shirov-Anand VariationC119
French Defense: Classical Variation, Steinitz VariationC117
French Defense: Classical Variation, Swiss VariationC117
French Defense: Henneberger VariationC117
French Defense: Steinitz VariationC1110
French Defense: Steinitz VariationC1111
French Defense: Steinitz VariationC1111
French Defense: Steinitz VariationC1112
French Defense: Steinitz VariationC1111
French Defense: Steinitz Variation, Boleslavsky VariationC1113
French Defense: Steinitz Variation, Bradford Attack VariationC1113
French Defense: Steinitz Variation, Brodsky-Jones VariationC1118
French Defense: Steinitz Variation, Gledhill AttackC119
French Defense: McCutcheon VariationC128
French Defense: McCutcheon Variation, Advance VariationC129
French Defense: McCutcheon Variation, Bernstein VariationC1211
French Defense: McCutcheon Variation, Bogoljubow VariationC1214
French Defense: McCutcheon Variation, Chigorin VariationC1211
French Defense: McCutcheon Variation, Dr. Olland VariationC1211
French Defense: McCutcheon Variation, Duras VariationC1217
French Defense: McCutcheon Variation, Exchange VariationC129
French Defense: McCutcheon Variation, Grigoriev VariationC1217
French Defense: McCutcheon Variation, Janowski VariationC1211
French Defense: McCutcheon Variation, Lasker VariationC1212
French Defense: McCutcheon Variation, Lasker VariationC1216
French Defense: McCutcheon Variation, Tartakower VariationC1212
French Defense: Alekhine-Chatard AttackC1311
French Defense: Alekhine-Chatard Attack, Albin-Chatard GambitC1314
French Defense: Alekhine-Chatard Attack, Breyer VariationC1312
French Defense: Alekhine-Chatard Attack, Maróczy VariationC1312
French Defense: Alekhine-Chatard Attack, Spielmann VariationC1312
French Defense: Alekhine-Chatard Attack, Teichmann VariationC1312
French Defense: Classical VariationC1310
French Defense: Classical Variation, Frankfurt VariationC1312
French Defense: Classical Variation, Normal VariationC138
French Defense: Classical Variation, Richter AttackC139
French Defense: Classical Variation, Richter AttackC1313
French Defense: Classical Variation, Tartakower VariationC1310
French Defense: Classical Variation, Vistaneckis VariationC1310
French Defense: Classical VariationC1411
French Defense: Classical VariationC1412
French Defense: Classical Variation, Alapin VariationC1413
French Defense: Classical Variation, Pollock VariationC1413
French Defense: Classical Variation, Rubinstein VariationC1413
French Defense: Classical Variation, Stahlberg VariationC1420
French Defense: Classical Variation, Steinitz VariationC1413
French Defense: Classical Variation, Tarrasch VariationC1413
French Defense: McCutcheon Variation, Wolf GambitC159
French Defense: Winawer VariationC156
French Defense: Winawer Variation, Alekhine Gambit AcceptedC1510
French Defense: Winawer Variation, Alekhine Gambit, Alatortsev VariationC1516
French Defense: Winawer Variation, Alekhine Gambit, Kan VariationC1512
French Defense: Winawer Variation, Alekhine-Maróczy GambitC157
French Defense: Winawer Variation, Delayed Exchange VariationC157
French Defense: Winawer Variation, Exchange Variation, Canal AttackC1511
French Defense: Winawer Variation, Fingerslip VariationC157
French Defense: Winawer Variation, Fingerslip Variation, Kunin Double GambitC1510
French Defense: Winawer Variation, Fingerslip Variation, Main LineC1513
French Defense: Winawer Variation, Fingerslip Variation, Schwarz's LineC159
French Defense: Winawer Variation, Kondratiyev VariationC1511
French Defense: Winawer Variation, Winckelmann-Reimer GambitC1511
French Defense: Winawer Variation, Advance VariationC167
French Defense: Winawer Variation, Petrosian VariationC168
French Defense: Winawer Variation, Advance VariationC178
French Defense: Winawer Variation, Advance VariationC179
French Defense: Winawer Variation, Advance VariationC1713
French Defense: Winawer Variation, Advance Variation, Moscow VariationC179
French Defense: Winawer Variation, Bogoljubow VariationC179
French Defense: Winawer Variation, Bogoljubow Variation, Icelandic DefenseC1711
French Defense: Winawer Variation, Maróczy-Wallis VariationC1712
French Defense: Winawer Variation, Retreat VariationC1710
French Defense: Winawer Variation, Retreat Variation, Armenian LineC1712
French Defense: Winawer Variation, Advance VariationC1811
French Defense: Winawer Variation, Advance VariationC1812
French Defense: Winawer Variation, Advance Variation, with Bd3C1813
French Defense: Winawer Variation, Advance Variation, with Bd3C1814
French Defense: Winawer Variation, Advance Variation, with h4C1813
French Defense: Winawer Variation, Advance Variation, with h4C1814
French Defense: Winawer Variation, Classical VariationC1812
French Defense: Winawer Variation, Eingorn VariationC1814
French Defense: Winawer Variation, Poisoned Pawn VariationC1814
French Defense: Winawer Variation, Poisoned Pawn VariationC1815
French Defense: Winawer Variation, Poisoned Pawn VariationC1818
French Defense: Winawer Variation, Poisoned Pawn Variation DeclinedC1815
French Defense: Winawer Variation, Poisoned Pawn Variation, Main LineC1819
French Defense: Winawer Variation, Poisoned Pawn Variation, Paoli VariationC1819
French Defense: Winawer Variation, Portisch-Hook VariationC1812
French Defense: Winawer Variation, Warsaw VariationC1814
French Defense: Winawer Variation, Advance Variation, Smyslov VariationC1913

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Volume A Volume B Volume C Volume D Volume E Gambits Defenses