Chess openings / Four Knights Game Four Knights Game The Four Knights Game starts 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6. The opening book names 39 variations of it, under ECO C47 to C50.
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All 39 Four Knights Game variations C47 Glek System1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 (also reached by 1 other move order) C47 Gunsberg Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 C47 Gunsberg Variation, Provincial Opening1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. h3 C47 Halloween Gambit1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 C47 Halloween Gambit, Oldtimer Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5 C47 Halloween Gambit, Plasma Variation1. 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 C47 Italian Variation1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 (also reached by 1 other move order) C47 Italian Variation, Noa Gambit1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+ C47 Naroditsky Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nd5 C47 Scotch Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 C47 Scotch Variation Accepted1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 C47 Scotch Variation Accepted, Main Line1. 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 C47 Scotch Variation, Belgrade Gambit1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 C47 Scotch Variation, Belgrade Gambit, Modern Defense1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxe4 6. Qe2 f5 C47 Scotch Variation, Krause Gambit1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 C47 Scotch Variation, Krause Gambit, Leonhardt Defense1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7 C47 Scotch Variation, Oxford Gambit1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. d5 Nd4 C47 Scotch Variation, Schmid Defense1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe4 C48 Spanish Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 (also reached by 1 other move order) C48 Spanish Variation, Bardeleben Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Nc6 9. e5 Bb4 C48 Spanish Variation, Classical Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 C48 Spanish Variation, Ranken Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 C48 Spanish Variation, Rubinstein Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 (also reached by 2 other move orders) C48 Spanish Variation, Rubinstein Variation Accepted1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 C48 Spanish Variation, Rubinstein Variation, Henneberger Variation1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O C48 Spanish Variation, Rubinstein Variation, Marshall Gambit1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Bc5 6. Nxe5 O-O C48 Spanish Variation, Rubinstein Variation, Marshall Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Bc5 6. O-O O-O C48 Spanish Variation, Rubinstein Variation, Maróczy Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8. d3 d6 9. Na4 Bb6 C48 Spanish Variation, Spielmann Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd4 8. O-O Qxe5 9. Re1 Be6 10. d4 Qd5 C49 Spanish Variation, Alatortsev Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5 C49 Spanish Variation, Double Spanish1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 (also reached by 1 other move order) C49 Spanish Variation, Gunsberg Counterattack1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. Nd5 Nxd5 7. exd5 e4 C49 Spanish Variation, Janowski Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1 C49 Spanish Variation, Nimzowitsch Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 C49 Spanish Variation, Svenonius Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5 C49 Spanish Variation, Symmetrical Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 (also reached by 3 other move orders) C49 Spanish Variation, Symmetrical Variation, Blake Variation1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 8. Nh4 c6 9. Bc4 d5 10. Bb3 Qd6 C49 Spanish Variation, Symmetrical Variation, Metger Unpin1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 C49 Spanish Variation, Symmetrical Variation, Tarrasch Variation1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Be6 Check your own games for free →
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