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Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3/3...Nf6/4. Bb5/4...Bc5

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< Chess Opening Theory | 1. e4 | 1...e5 | 2. Nf3 | 2...Nc6 | 3. Nc3 | 3...Nf6 | 4. Bb5
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Ruy Lopez: Four Knights Game

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Spanish Four Knights Game
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Position in Forsyth-Edwards Notation (FEN)

r1bqk2r/pppp1ppp/2n2n2/1Bb1p3/4P3/2N2N2/PPPP1PPP/R1BQK2R w

Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5


If Bxc6 dxc6 Nxe5? is a mistake after Bxf2 targeting the weak f2 square by sacrificing the bishop. After Kxf2, Qd4+ forks the King and the Knight. After Ke2 Qxe5, White has a king which cannot castle in a relatively open position.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation.

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb4 Bc5

O-O
O-O 		+=


References

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v · t · e
Chess Opening Theory
1. e4 e5
Open games
2. Nf3
2...Nc6
3. Bb5
Spanish
3. Bc4
Italian
3. Nc3
Three knights
Other
2...Nf6
Russian
2...d6
Philidor
Other
2. f4
King's gambit
2...exf4
Accepted
Other
Declined
2. Nc3
Vienna
Other
1. e4 c5
Sicilian
2. Nf3
2...Nc6 3. d4 cxd4 4. Nxd4
2...Nc6 other
2...d6 3. d4 cxd4 4. Nxd4
2...d6 other
2...e6 3. d4 cxd4 4. Nxd4
2...e6 other
Others
Anti-Sicilians
1. e4 e6
French
1. e4 c6
Caro-Kann
1. e4 other
1. d4 d5
Closed games
2. c4
Queen's gambit
2. Nc3
2. other
1. d4 Nf6
Indian
2. c4 e6
2. c4 g6
2. c4 other
2. Nf3
2. other:
1. d4 f5
Dutch
1. d4 ...other:
Flank
Unorthodox
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