Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Nc6 5. Bd2 Bg4 6. Be2 Nf6 7. c3 e6 8. h3
Bf5 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg7 12. h4 Qd7 13. hxg5 hxg5 14. Rxh8+ Bxh8
15. Nxg5 O-O-O 16. Qb3 Bg7 17. Nd2 Rh8 18. O-O-O Na5 19. Qb5 Qxb5 20. Bxb5 c6
21. Be2 Bh6 22. Nxf7 Rh7 23. Nxh6 Rxh6 24. b4 Nd5 25. bxa5 Nxc3 26. Re1 Nxa2+
27. Kb2 Nb4 28. Bf4 Rh7 29. g4 Bd3 30. Bxd3 *
Position (FEN): 2k5/pp5r/2p1p3/P7/1n1P1BP1/3B4/1K1N1P2/4R3 b - - 0 30
Black to move.
Themes:  Endgame  
Puzzle rating: 743
Best move: Nxd3+