Chess openings

3,824 named opening lines in 149 families, each with its moves, ECO code, FEN and a board diagram. Sorted by how often they're played on Lichess. All data is also available as JSON.

• King's Pawn Game38 lines · 1. e4 · 61% of games
• Queen's Pawn Game82 lines · 1. d4 · 25% of games
• King's Knight Opening3 lines · 1. e4 e5 2. Nf3 · 16% of games
• Sicilian Defense400 lines · 1. e4 c5 · 10% of games
• Scandinavian Defense45 lines · 1. e4 d5 · 6% of games
• French Defense212 lines · 1. e4 e6 · 6% of games
• Caro-Kann Defense110 lines · 1. e4 c6 · 5% of games
• Indian Defense53 lines · 1. d4 Nf6 · 5% of games
• Italian Game187 lines · 1. e4 e5 2. Nf3 Nc6 3. Bc4 · 4% of games
• Queen's Gambit1 line · 1. d4 d5 2. c4 · 4% of games
• Zukertort Opening47 lines · 1. Nf3 · 3% of games
• Bishop's Opening41 lines · 1. e4 e5 2. Bc4 · 3% of games
• English Opening175 lines · 1. c4 · 3% of games
• Pirc Defense28 lines · 1. e4 d6 · 2% of games
• Philidor Defense44 lines · 1. e4 e5 2. Nf3 d6 · 2% of games
• Horwitz Defense2 lines · 1. d4 e6 · 2% of games
• Scotch Game53 lines · 1. e4 e5 2. Nf3 Nc6 3. d4 · 2% of games
• Ruy Lopez235 lines · 1. e4 e5 2. Nf3 Nc6 3. Bb5 · 2% of games
• Vienna Game41 lines · 1. e4 e5 2. Nc3 · 2% of games
• Center Game18 lines · 1. e4 e5 2. d4 · 2% of games
• Modern Defense39 lines · 1. e4 g6 · 2% of games
• Englund Gambit9 lines · 1. d4 e5 · 2% of games
• Petrov's Defense50 lines · 1. e4 e5 2. Nf3 Nf6 · 2% of games
• Van't Kruijs Opening5 lines · 1. e3 · 2% of games
• King's Gambit1 line · 1. e4 e5 2. f4 · 1% of games
• Three Knights Opening6 lines · 1. e4 e5 2. Nf3 Nc6 3. Nc3 · 1% of games
• Hungarian Opening20 lines · 1. g3 · 1% of games
• Owen Defense8 lines · 1. e4 b6 · 1% of games
• Center Game Accepted1 line · 1. e4 e5 2. d4 exd4 · 1% of games
• Bird Opening28 lines · 1. f4 · 1% of games
• Nimzo-Larsen Attack18 lines · 1. b3 · 1% of games
• Queen's Gambit Declined198 lines · 1. d4 d5 2. c4 e6 · 1% of games
• Queen's Gambit Accepted58 lines · 1. d4 d5 2. c4 dxc4 · 0.9% of games
• Alekhine Defense56 lines · 1. e4 Nf6 · 0.9% of games
• Nimzowitsch Defense43 lines · 1. e4 Nc6 · 0.9% of games
• Benoni Defense61 lines · 1. d4 c5 · 0.8% of games
• Slav Defense52 lines · 1. d4 d5 2. c4 c6 · 0.8% of games
• King's Gambit Accepted137 lines · 1. e4 e5 2. f4 exf4 · 0.6% of games
• Four Knights Game49 lines · 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 · 0.6% of games
• Mieses Opening4 lines · 1. d3 · 0.5% of games
• Dutch Defense69 lines · 1. d4 f5 · 0.5% of games
• Polish Opening25 lines · 1. b4 · 0.5% of games
• English Defense7 lines · 1. d4 b6 · 0.4% of games
• Van Geet Opening33 lines · 1. Nc3 · 0.4% of games
• King's Indian Defense119 lines · 1. d4 Nf6 2. c4 g6 3. Nc3 · 0.4% of games
• Ponziani Opening16 lines · 1. e4 e5 2. Nf3 Nc6 3. c3 · 0.4% of games
• Elephant Gambit4 lines · 1. e4 e5 2. Nf3 d5 · 0.4% of games
• Blackmar-Diemer Gambit18 lines · 1. d4 d5 2. e4 · 0.4% of games
• Danish Gambit1 line · 1. e4 e5 2. d4 exd4 3. c3 · 0.4% of games
• Grob Opening20 lines · 1. g4 · 0.3% of games
• East Indian Defense1 line · 1. d4 Nf6 2. Nf3 g6 · 0.3% of games
• Old Indian Defense14 lines · 1. d4 d6 2. c4 · 0.3% of games
• Rapport-Jobava System3 lines · 1. d4 d5 2. Nc3 Nf6 3. Bf4 · 0.3% of games
• Mikenas Defense4 lines · 1. d4 Nc6 · 0.3% of games
• Danish Gambit Accepted6 lines · 1. e4 e5 2. d4 exd4 3. c3 dxc3 · 0.3% of games
• King's Indian Attack20 lines · 1. Nf3 d5 2. g3 · 0.2% of games
• Saragossa Opening1 line · 1. c3 · 0.2% of games
• Nimzo-Indian Defense99 lines · 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 · 0.2% of games
• Trompowsky Attack10 lines · 1. d4 Nf6 2. Bg5 · 0.2% of games
• Englund Gambit Declined7 lines · 1. d4 e5 2. d5 · 0.2% of games
• St. George Defense4 lines · 1. e4 a6 · 0.2% of games
• Réti Opening43 lines · 1. Nf3 d5 2. c4 · 0.2% of games
• Latvian Gambit17 lines · 1. e4 e5 2. Nf3 f5 · 0.1% of games
• Duras Gambit1 line · 1. e4 f5 · 0.1% of games
• Rapport-Jobava System, with e61 line · 1. d4 d5 2. Nc3 e6 3. Bf4 · 0.1% of games
• Rat Defense11 lines · 1. e4 d6 2. f4 · 0.1% of games
• Kádas Opening9 lines · 1. h4 · 0.1% of games
• Polish Opening, with d52 lines · 1. b4 d5 · <0.1% of games
• Grünfeld Defense59 lines · 1. d4 Nf6 2. c4 g6 3. Nc3 d5 · <0.1% of games
• Borg Defense5 lines · 1. e4 g5 · <0.1% of games
• Anderssen's Opening2 lines · 1. a3 · <0.1% of games
• Barnes Opening6 lines · 1. f3 · <0.1% of games
• Vienna Gambit, with Max Lange Defense15 lines · 1. e4 e5 2. Nc3 Nc6 3. f4 · <0.1% of games
• Semi-Slav Defense69 lines · 1. d4 d5 2. c4 e6 3. Nc3 c6 · <0.1% of games
• Ware Opening7 lines · 1. a4 · <0.1% of games
• Clemenz Opening2 lines · 1. h3 · <0.1% of games
• Czech Defense1 line · 1. e4 d6 2. d4 Nf6 3. Nc3 c6 · <0.1% of games
• Benko Gambit8 lines · 1. d4 Nf6 2. c4 c5 3. d5 b5 · <0.1% of games
• Ware Defense2 lines · 1. e4 a5 · <0.1% of games
• London System4 lines · 1. d4 Nf6 2. Nf3 g6 3. Bf4 · <0.1% of games
• Blackmar-Diemer Gambit Accepted22 lines · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 · <0.1% of games
• Goldsmith Defense2 lines · 1. e4 h5 · <0.1% of games
• Barnes Defense1 line · 1. e4 f6 · <0.1% of games
• King's Gambit Declined53 lines · 1. e4 e5 2. f4 Bc5 · <0.1% of games
• Portuguese Opening3 lines · 1. e4 e5 2. Bb5 · <0.1% of games
• Paleface Attack1 line · 1. d4 Nf6 2. f3 · <0.1% of games
• Yusupov-Rubinstein System1 line · 1. d4 Nf6 2. Nf3 e6 3. e3 · <0.1% of games
• Latvian Gambit Accepted9 lines · 1. e4 e5 2. Nf3 f5 3. exf5 · <0.1% of games
• Polish Defense2 lines · 1. d4 b5 · <0.1% of games
• Gunderam Defense1 line · 1. e4 e5 2. Nf3 Qe7 · <0.1% of games
• King's Pawn Opening3 lines · 1. e4 e5 2. b3 · <0.1% of games
• Carr Defense2 lines · 1. e4 h6 · <0.1% of games
• Slav Indian2 lines · 1. d4 Nf6 2. c4 c6 · <0.1% of games
• Benko Gambit Accepted10 lines · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 · <0.1% of games
• Tarrasch Defense27 lines · 1. d4 d5 2. c4 e6 3. Nc3 c5 · <0.1% of games
• Queen's Indian Defense58 lines · 1. d4 Nf6 2. c4 e6 3. Nf3 b6 · <0.1% of games
• Torre Attack6 lines · 1. d4 Nf6 2. Nf3 e6 3. Bg5 · <0.1% of games
• Amazon Attack2 lines · 1. d4 d5 2. Qd3 · <0.1% of games
• Bogo-Indian Defense21 lines · 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ · <0.1% of games
• Catalan Opening32 lines · 1. d4 Nf6 2. c4 e6 3. g3 · <0.1% of games
• Richter-Veresov Attack8 lines · 1. d4 Nf6 2. Nc3 d5 3. Bg5 · <0.1% of games
• Canard Opening1 line · 1. d4 Nf6 2. f4 · <0.1% of games
• Lion Defense6 lines · 1. e4 d6 2. d4 Nf6 3. f3 · <0.1% of games
• Danish Gambit Declined1 line · 1. e4 e5 2. d4 exd4 3. c3 d5 · <0.1% of games
• Kangaroo Defense2 lines · 1. d4 e6 2. c4 Bb4+ · <0.1% of games
• Amar Opening3 lines · 1. Nh3 · <0.1% of games
• Pseudo Queen's Indian Defense2 lines · 1. d4 Nf6 2. Nf3 b6 · <0.1% of games
• Queen's Indian Accelerated1 line · 1. d4 Nf6 2. c4 b6 · <0.1% of games
• Mexican Defense2 lines · 1. d4 Nf6 2. c4 Nc6 · <0.1% of games
• Lasker Simul Special1 line · 1. g3 h5 · <0.1% of games
• Sodium Attack4 lines · 1. Na3 · <0.1% of games
• Hippopotamus Defense2 lines · 1. e4 Nh6 · <0.1% of games
• Lemming Defense1 line · 1. e4 Na6 · <0.1% of games
• Basque Opening1 line · 1. d4 Nf6 2. b3 · <0.1% of games
• Wade Defense1 line · 1. d4 d6 2. Nf3 Bg4 · <0.1% of games
• Irish Gambit1 line · 1. e4 e5 2. Nf3 Nc6 3. Nxe5 · <0.1% of games
• Global Opening1 line · 1. h3 e5 2. a3 · <0.1% of games
• Valencia Opening1 line · 1. d3 e5 2. Nd2 · <0.1% of games
• King's Indian Attack, with e62 lines · 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 · <0.1% of games
• Montevideo Defense1 line · 1. d4 Nc6 2. d5 Nb8 · <0.1% of games
• Australian Defense1 line · 1. d4 Na6 · <0.1% of games
• Fried Fox Defense1 line · 1. e4 f6 2. d4 Kf7 · <0.1% of games
• Bongcloud Attack1 line · 1. e4 e5 2. Ke2 · <0.1% of games
• Pterodactyl Defense33 lines · 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 · <0.1% of games
• London System, with Bd31 line · 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3 · <0.1% of games
• Creepy Crawly Formation1 line · 1. h3 d5 2. a3 e5 · <0.1% of games
• London System, with Be23 lines · 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 · <0.1% of games
• Döry Defense1 line · 1. d4 Nf6 2. Nf3 Ne4 · <0.1% of games
• King's Indian Attack, with Bf55 lines · 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 · <0.1% of games
• Neo-Grünfeld Defense16 lines · 1. d4 Nf6 2. c4 g6 3. f3 d5 · <0.1% of games
• English Orangutan2 lines · 1. c4 Nf6 2. b4 · <0.1% of games
• Semi-Slav Defense Accepted1 line · 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 · <0.1% of games
• Blumenfeld Countergambit3 lines · 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 · <0.1% of games
• Blackmar-Diemer Gambit Declined9 lines · 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5 · <0.1% of games
• Vulture Defense1 line · 1. d4 Nf6 2. c4 c5 3. d5 Ne4 · <0.1% of games
• Benko Gambit Declined6 lines · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Bg5 · <0.1% of games
• Rubinstein Opening6 lines · 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 · <0.1% of games
• Blumenfeld Countergambit Accepted1 line · 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5 · <0.1% of games
• Marienbad System2 lines · 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 · <0.1% of games
• Queen's Indian Defense, with e3, Bb4+ Line1 line · 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. e3 Bb7 · <0.1% of games
• Queen's Pawn, Mengarini Attack1 line · 1. d4 Nf6 2. c4 g6 3. Qc2 · <0.1% of games
• Zukertort Defense2 lines · 1. Nf3 Nh6 2. d4 g6 · <0.1% of games
• Queen's Indian Defense, with e314 lines · 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 b6 5. Nc3 Bb7 · <0.1% of games
• Zaire Defense1 line · 1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng8 · <0.1% of games
• Dresden Opening1 line · 1. e4 e5 2. Nf3 Nc6 3. c4 Nf6 4. Nxe5 · <0.1% of games
• Amsterdam Attack1 line · 1. e3 e5 2. c4 d6 3. Nc3 Nc6 4. b3 Nf6 · <0.1% of games
• Colle System3 lines · 1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+
• Formation2 lines · 1. a3 e5 2. b3 d5 3. c3 Nf6 4. d3 Nc6 5. e3 Bd6 6. f3 O-O 7. g3
• Robatsch Defense1 line · 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 Bg4