ECO Codes

The ECO Codes is a classification system for the chess openings moves. Below is a list of chess openings organized by the Encyclopaedia of Chess Openings (ECO) code. The openings are divided in five volumes labeled from "A" through "E".

B07 Pirc defence

1. e4 d6 2. d4 Nf6 3. Nc3
- B07 Pirc, Ufimtsev-Pytel variation
  1. e4 d6 2. d4 Nf6 3. Nc3 c6
- B07 Pirc defence
  1. e4 d6 2. d4 Nf6 3. Nc3 g6
- B07 Pirc, 150 attack
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2
- B07 Pirc, Sveshnikov system
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3
- B07 Pirc, Holmov system
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4
- B07 Pirc, Byrne variation
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5
- B07 Pirc defence
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2
- B07 Pirc, Chinese variation
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. g4
- B07 Pirc, bayonet (Mariotti) attack
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h4
- B07 Robatsch defence, Geller's system
  1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3
B08 Pirc, classical (two knights) system

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3
- B08 Pirc, classical (two knights) system
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7
- B08 Pirc, classical, h3 system
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3
- B08 Pirc, classical system, 5.Be2
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2
B09 Pirc, Austrian attack

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4
- B09 Pirc, Austrian attack
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O
- B09 Pirc, Austrian attack, 6.e5
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5
- B09 Pirc, Austrian attack, 6.Be3
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3
- B09 Pirc, Austrian attack, 6.Bd3
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3
- B09 Pirc, Austrian attack, dragon formation
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5
- B09 Pirc, Austrian attack, Ljubojevic variation
  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bc4

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