C47 — Four Knights Game — Chess Opening (ECO)

ECO C47 covers Four Knights Game and related lines (Four Knights Game, Four Knights Game: Glek System, Four Knights Game: Gunsberg Variation, Four Knights Game: Halloween Gambit). Main line 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 with variations, statistics, and the best responses.

20 lines under C47

Four Knights Game

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6

Four Knights Game: Glek System

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3

Four Knights Game: Gunsberg Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3

Four Knights Game: Halloween Gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5

Four Knights Game: Italian Variation

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3

Four Knights Game: Naroditsky Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nd5

Four Knights Game: Scotch Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4

Four Knights Game: Scotch Variation Accepted

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4

Four Knights Game: Gunsberg Variation, Provincial Opening

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. h3

Four Knights Game: Italian Variation, Noa Gambit

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+

Four Knights Game: Scotch Variation, Belgrade Gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5

Four Knights Game: Scotch Variation, Krause Gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5

Four Knights Game: Scotch Variation, Krause Gambit, Leonhardt Defense

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7

Four Knights Game: Scotch Variation, Oxford Gambit

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. d5 Nd4

Four Knights Game: Scotch Variation, Schmid Defense

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe4

Four Knights Game: Scotch Variation, Belgrade Gambit, Modern Defense

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxe4 6. Qe2 f5

Four Knights Game: Glek System

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3

Four Knights Game: Halloween Gambit, Oldtimer Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5

Four Knights Game: Scotch Variation Accepted, Main Line

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O

Four Knights Game: Halloween Gambit, Plasma Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6 6. d5 Ne5 7. f4 Ng6 8. e5 Ng8 9. d6 cxd6 10. exd6 Qf6 11. Nb5 Rb8

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