Chess puzzle (Advantage)
Moves: 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. exd5 exd5 5. Ngf3 Bg4 6. c3 Bd6 7. Be2 O-O 8.
O-O Nbd7 9. Qb3 Re8 10. Bd3 Rb8 11. h3 Bh5 12. Bf5 Nf8 13. Re1 Rxe1+ 14. Nxe1
Bg6 15. Bxg6 Nxg6 16. Nd3 Qe7 17. Qd1 Re8 18. Nf3 Ne4 19. Be3 c6 20. Qa4 a6 21.
Re1 h6 22. Qb3 Qd7 23. a4 Re7 24. a5 Qe8 25. Nd2 Nxd2 26. Bxd2 Rxe1+ 27. Nxe1
Qe2 28. Nf3 Nh4 29. Nxh4 Qxd2 30. g3 Qe1+ 31. Kg2 Qe4+ 32. Nf3 Qe7 33. Qc2 Qe6
34. b3 g5 35. b4 Kg7 36. Qd3 f5 37. Nd2 Kf6 38. f3 Qe1 39. f4 *
Position (FEN): 8/1p6/p1pb1k1p/P2p1pp1/1P1P1P2/2PQ2PP/3N2K1/4q3 b - - 0 39
Black to move.
Themes:  Endgame  
Puzzle rating: 1263
Best move: gxf4