Chess puzzle (Advantage)
Moves: 1. e4 e6 2. e5 d6 3. Nf3 dxe5 4. Nxe5 Bd6 5. Nf3 f5 6. Bc4 c6 7. d3 Nf6 8. O-O
b5 9. Bb3 Na6 10. d4 O-O 11. Re1 Nc7 12. h3 Qe8 13. c3 Qh5 14. Ng5 Ng4 15. Nxe6
Bxe6 16. Bxe6+ Kh8 17. Bb3 Bh2+ 18. Kf1 Bd6 19. Kg1 Qh4 20. Re2 Rae8 21. Na3
Rxe2 22. Qxe2 Re8 23. Be3 Nxe3 24. fxe3 Qg3 25. Nc2 Qh2+ 26. Kf2 f4 27. Ke1
Qg1+ 28. Qf1 Qh2 29. Kd2 fxe3+ 30. Nxe3 Bf4 31. Re1 Rf8 32. Qe2 Qg3 33. Qf3 Qg6
34. Kc1 Qd6 35. Kb1 a5 36. a3 Bg3 37. Nf5 Bxe1 38. Nxd6 Rxf3 39. gxf3 Bg3 40.
Nf7+ Kg8 41. Ne5+ Kf8 42. Nxc6 a4 43. Bc2 h6 44. Bd3 Bd6 45. Na7 b4 46. axb4
Nd5 47. Nc8 Bc7 48. b5 Ke8 49. Na7 Bb6 50. Be4 Ne3 51. d5 *
Position (FEN): 4k3/N5p1/1b5p/1P1P4/p3B3/2P1nP1P/1P6/1K6 b - - 0 51
Black to move.
Themes: Hanging Piece Endgame  
Puzzle rating: 1002
Best move: Bxa7