Openings Used for 2026-WCCE

# ECO Opening Variation Moves
1 B90 Sicilian Defense Najdorf Variation 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6
2 E91 King's Indian Defense Classical Variation 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5
3 D85 Gruenfeld Defense Exchange Variation 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3
4 A88 Dutch Defense Leningrad Variation, Warsaw Variation 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4
5 A65 Benoni Defense Modern Variation 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6
6 A57 Benko Gambit Half-Accepted Variation 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6
7 C45 Scotch Game Mieses Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6
8 D02 Queen Pawn Game London System 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Bd3
9 B12 Caro-Kann Defense Advance Variation, Short Variation 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O
10 E93 King's Indian Defense Petrosian System 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5
11 C57 Italian Game Fried Liver Attack, Cochrane Gambit 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7
12 A56 Benoni Defense Czech Benoni Defense 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7
13 C22 Center Game Paulsen Attack 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4
14 B09 Pirc Defense Austrian Attack 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3
15 A10 English Opening Anglo-Dutch Defense 1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Bb4 5. d3 O-O 6. Nh3
16 C57 Italian Game Two Knights Defense, Lolli Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5