[Event "Les Gambits: Gambit Ouroussov"] [Site "https://lichess.org/study/I6kxv3ul/ixObkEpf"] [Result "*"] [Variant "Standard"] [ECO "C43"] [Opening "Bishop's Opening: Urusov Gambit, Keidansky Gambit"] [Annotator "https://lichess.org/@/dranocrepus"] [UTCDate "2017.10.18"] [UTCTime "07:41:19"] [Source "https://lichess.org/study/I6kxv3ul/ixObkEpf"] [Orientation "white"] 1. e4 e5 2. Bc4 Nf6 3. d4 { [%csl Gf4] } 3... exd4 (3... Nxe4 4. dxe5 { [%csl Gd5][%cal Gd1d5,Gc4f7] }) 4. Nf3 { [%cal Gf6e4] } (4. e5 d5 5. Qxd4 dxc4 6. Qxd8+ Kxd8 7. exf6 gxf6) (4. c3 Nxe4 5. Qxd4 Nf6) 4... Nxe4 { Le sacrifice du pion fut proposé par le maître Ouroussov.Les premières analyses datent de 1857! } (4... Nc6 5. Ng5 d5 6. exd5 Qe7+ 7. Kf1 { [%csl Ge7,Ge8] } 7... Ne5 8. Qxd4 Nxc4 9. Qxc4 Qc5) (4... d5 5. exd5 Nxd5 (5... Bb4+ 6. c3 Qe7+ 7. Be2 { [%csl Gg5] } 7... dxc3 8. Nxc3 { [%csl Gd5] } 8... O-O 9. O-O) 6. O-O Nb6 7. Bg5 f6 8. Re1+) 5. Qxd4 { [%cal Ge4d6,Ge4f6] } 5... Nf6 { [%csl Gf6,Gc4,Gd4,Gf3] } (5... Nd6 6. O-O Nc6 (6... Nxc4 7. Re1+ Be7 8. Qxg7 Rf8 9. Bh6) 7. Re1+ Ne7 8. Bb3 f6 9. Qd5 { [%csl Gf7][%cal Gb3f7,Ge7d5] } 9... g5 10. Bf4 { [%cal Gg5f4,Gd5h5] } 10... gxf4 11. Qh5+ { [%cal Ge7g6] } 11... Nf7 12. Bxf7#) 6. Bg5 Be7 (6... Qe7+ 7. Kf1 Nc6 8. Qh4 { [%csl Gh4,Gg5][%cal Gh4e7] } 8... d5 9. Bxf6 Qxf6 10. Qxf6 gxf6 11. Bxd5 { [%csl Ga7,Gb7,Gc7,Gf7,Gf6,Gh7] }) 7. Nc3 Nc6 (7... O-O 8. O-O-O { [%csl Gc4,Gc3,Gd4,Gf3,Gg5,Gd1] } 8... Nc6 9. Qh4) (7... c6 8. O-O-O d5 9. Rhe1 Be6 (9... dxc4 10. Qxd8# { [%csl Ge7] }) 10. Qh4 Nbd7 11. Nd4 Nc5 { [%cal Gc4d3] } (11... dxc4 12. Nxe6 fxe6 13. Bxf6 gxf6 14. Rxe6 O-O 15. Re2 Kh8 16. Qe4 Bc5 17. Qe6 Re8 18. Qf7 Rxe2 19. Nxe2 Qe8 20. Rxd7 Qxf7 21. Rxf7) 12. f4 (12. Bd3)) (7... h6 8. Bxf6 Bxf6 9. Qe3+ Qe7 10. Qxe7+ Bxe7 11. Ne5 Rf8 12. O-O-O) 8. Qh4 d5 (8... h6 9. O-O-O { [%csl Gh8][%cal Gh6g5] } 9... d6 (9... hxg5 10. Qxh8+) 10. Rhe1 O-O 11. Bxh6 Nh7 (11... gxh6 12. Qxh6 Ng4 { [%csl Gg4,Gh6,Gg6][%cal Gc4g8] } 13. Qg6+ { [%csl Gg6][%cal Gc4g8,Gf7g6] } 13... Kh8 14. Bxf7) 12. Qg3 Bf6) (8... d6 9. O-O-O Bf5 (9... Be6 10. Rhe1) 10. Qf4 Bg6 11. Bxf6 Bxf6 12. Rhe1+ Be7 13. Nd5 O-O { [%cal Gd5e7] } 14. Bd3 Bxd3 15. Rxd3 { [%cal Ga3h3] }) 9. O-O-O Be6 10. Rhe1 { [%cal Gh4e7] } (10. Bxd5 Nxd5 11. Nxd5 Bxd5 12. Bxe7 Nxe7 { [%cal Ge7d5] } 13. Rhe1 { [%cal Gd1d5,Ge1e7,Gh4e7,Gc2c4] } 13... c6 14. c4 Kf8 15. Kb1 { [%csl Gh8] }) 10... O-O 11. Bd3 h6 { [%cal Ge1e6,Gg5h6,Gc1b1] } 12. Bxh6 (12. Rxe6 fxe6 13. Bxh6 gxh6 14. Qg3+ Kh8 15. Qg6 { [%csl Gg6,Gh6][%cal Gf6h7] } 15... Rf7 (15... Qe8 16. Qxh6+ Kg8 17. Qg5+) 16. Qxf7 Qg8 17. Qxg8+ Rxg8) (12. Kb1 hxg5 (12... Re8 13. Rxe6 fxe6 14. Bxh6 (14. Be3 { [%cal Gg2g4] } 14... Bb4 15. Ne2) 14... gxh6 15. Qxh6 Bf8 16. Qg6+ Bg7 { [%cal Gh2h4,Gh4h6,Gh4h5] } 17. h4 Re7 18. h5 Qe8 { [%cal Gg6e8] }) 13. Nxg5 { [%cal Ge1e6,Gd3h7] } 13... g6 14. Rxe6 fxe6 15. Qh6 { [%cal Gh6g6] } 15... Ne5 16. Nxe6 { [%cal Gh6g7,Ge6d8,Ge6f8,Ge6g7] } 16... Kf7 17. Nxd8+) 12... Ne4 (12... gxh6 13. Qxh6 Qd6 { [%cal Gf3g5] } 14. Nh4 Rfe8 { [%cal Ge1e3,Ge3g3,Gc3b5] } 15. Nb5 Qxh2 16. Re3 { [%cal Ge3g3] } 16... a6 17. Nc3) 13. Qf4 Bd6 14. Qe3 Bc5 15. Qf4 Bd6 16. Qe3 *