Opening explorer
Reference repertoire lines. Style profiles bias the engine toward their preferred openings when a move is close to best.
Sicilian Defence, Najdorf
black repertoire1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
White 36% · Draw 32% · Black 32%
Queen's Gambit Declined
white repertoire1. d4 d5 2. c4 e6 3. Nf3 Nf6
White 35% · Draw 45% · Black 20%
Nimzo-Indian Defence
black repertoire1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
White 34% · Draw 41% · Black 25%
Ruy Lopez, Berlin Defence
white repertoire1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
White 38% · Draw 40% · Black 22%
King's Indian Defence
black repertoire1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
White 39% · Draw 30% · Black 31%
Semi-Slav Defence
black repertoire1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6
White 34% · Draw 45% · Black 21%
English Opening
white repertoire1. c4 Nf6
White 36% · Draw 42% · Black 22%
Caro-Kann Defence
black repertoire1. e4 c6 2. d4 d5
White 37% · Draw 39% · Black 24%
Catalan Opening
white repertoire1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2
White 37% · Draw 44% · Black 19%
French Defence, Classical
black repertoire1. e4 e6 2. d4 d5 3. Nc3 Nf6
White 38% · Draw 36% · Black 26%
Petroff Defence
black repertoire1. e4 e5 2. Nf3 Nf6
White 33% · Draw 47% · Black 20%
Grünfeld Defence, Exchange
black repertoire1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5
White 37% · Draw 38% · Black 25%
Scotch Game
white repertoire1. e4 e5 2. Nf3 Nc6 3. d4
White 38% · Draw 36% · Black 26%
Sicilian, Closed
white repertoire1. e4 c5 2. Nc3
White 37% · Draw 33% · Black 30%
Benko Gambit
black repertoire1. d4 Nf6 2. c4 c5 3. d5 b5
White 42% · Draw 27% · Black 31%
Trompowsky Attack
white repertoire1. d4 Nf6 2. Bg5
White 36% · Draw 35% · Black 29%