[Event "Paris"] [Site "Paris"] [Date "1836.??.??"] [White "De Labourdonnais, Louis Charles Mahe"] [Black "Boncourt, Hyacinthe Henri"] [Result "1-0"] [Variant "Standard"] [ECO "C51"] [Opening "Italian Game: Evans Gambit, Anderssen Variation"] [Annotator "https://lichess.org/@/Juggernaunt"] [Source "https://lichess.org/study/uJ72fS0m/ZltuUsfT"] [Orientation "white"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 { This is another possibility, but the main drawback is that now the pawn on f7 becomes a target since the queen cannot defend him. } { [%csl Rf7][%cal Yd1b3,Yb3f7] } 6. Qb3 { This is the natural reaction putting pressure on f7. } { [%csl Rf7][%cal Yb3f7] } 6... Nh6 { [%csl Gf7][%cal Gh6f7] } 7. d4! { [%csl Rf7][%cal Yc1h6,Yc4f7] } 7... Na5 { The best move } { [%csl Rc4,Rb3][%cal Ra5b3,Ra5c4] } 8. Qa4 Nxc4 9. Qxc4 { Now White has a double threat: 1. to win the pawn on e5 and 2. to destroy Black's pawn structure with Bxh6. } { [%csl Ye5,Yh6][%cal Yd4e5,Yf3e5,Yc1h6] } 9... exd4 10. Bxh6 gxh6 { [%csl Rh6,Rh7,Rf7] } 11. cxd4 { [%csl Gd4,Ge4,Gc4,Gf3] } 11... Rg8 { [%csl Rg2][%cal Yg8g2] } 12. O-O d6 13. Kh1 Qd7!? 14. Nc3?! { So far, White has played well, but now, he become too complicated. It was necessary to overprotect the knight on f3. } 14... c6? { This wasn't necessary. } { [%csl Yd5][%cal Yc6d5] } (14... Rxg2!! { This was the best move! Despite of this miss, Black later played Rxg2. } 15. Nd5 { [%csl Rc7,Re8,Ra8][%cal Yd5c7,Rc7e8,Rc7a8] } 15... Qh3!! 16. Nf4 Qxf3 17. Nxg2 Bh3 18. Rg1 Qxe4 $13 { With a very complicated position for White. }) 15. d5? { Qd3 or Rg1 were important options. } { [%cal Gc4d3,Gd3f3,Gf1g1] } 15... Rxg2!! $17 { Finally Black saw the tactical shot. } 16. Rg1 (16. Kxg2?? Qh3+ 17. Kg1 Qg4+ 18. Kh1 Qxf3+ 19. Kg1 Bh3 { [%csl Rg1][%cal Rf3g2] }) 16... Rxf2?? { Too greedy! Rg6 was the best, blocking the g-file! } (16... Rg6! { Closing the g-file. }) 17. Rg3 c5 18. e5! b6 19. Re1!? { Improving the worst placed piece. } { [%csl Re8][%cal Re1e8] } 19... Kd8 20. e6 { [%csl Rd7][%cal Re6d7] } 20... fxe6 21. dxe6 { [%csl Gd5][%cal Gc3d5] } 21... Qe8 22. Nd5 { [%csl Gd5] } 22... Bb7 { [%cal Rb7h1] } 23. Reg1?? { It looks like a good move because White is threatening to play Rg8, winning the queen. But, unfortunately, this move turns out to be a blunder. And now the game once again remains unclear. } { [%csl Yg8][%cal Yg3g8] } (23. Kg1!! { Removing the king of the dangerous diagonal and, at the same time, attacking the rook. } { [%csl Rf2,Gg1][%cal Rg1f2,Yb7h1] } 23... Rb2 24. Nxe7 Kxe7 25. Qh4+ Kf8 26. Qf6+ Qf7 27. Qxf7#) 23... Bxd5?? { This was the decisive blunder. } (23... b5!! { This amazing move was the best. } { [%csl Rd5,Rc4][%cal Rb7d5,Rb5c4] } 24. Qe4 Bxd5 25. Qxd5 Kc7 26. Rg7 Qc6!! 27. Rxe7+ Kb6 28. Qxc6+ Kxc6 $13 { And it's true that White is a piece-up and has a powerful e-pawn, but the a2-pawn is about to fall, and that means that Black will have 4 passed pawns! } { [%csl Ra2,Ga7,Gb5,Gc5,Gd6][%cal Rf2a2] } 29. Nh4) 24. Qxd5 $18 { White is winning now. The rest is a matter of technique. } 24... Kc7 25. Rg7 Rc8 26. Rf7 { [%csl Rc7][%cal Yg1g7,Yg7c7] } 26... Kb8 27. Rgg7 Qc6 28. Qxc6 Rxc6 29. Rxe7 Rxf3 30. Rb7+ Kc8 31. Rxa7 { [%csl Rc8][%cal Rg7g8,Ra7a8] } 31... Kb8 32. Rab7+ Ka8 33. Rbf7 { 1-0 White wins. } { [%csl Ra8][%cal Rg7g8] } 1-0