Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 g6 3. Be3 Bg7 4. Qd2 Ne4 5. Qc1 Nc6 6. Nc3 f5 7. Nxe4 fxe4 8.
d5 Ne5 9. Bh6 Bf6 10. h3 d6 11. g4 Rg8 12. g5 Bg7 13. Bxg7 Rxg7 14. f4 Nf7 15.
Bg2 Bf5 16. Qe3 Qd7 17. Bxe4 Qa4 18. Bxf5 gxf5 19. Qc3 Rg8 20. Nf3 O-O-O 21.
O-O h6 22. h4 hxg5 23. hxg5 Rh8 24. Kg2 Rdg8 25. b3 Qd7 26. Rh1 Rxh1 27. Rxh1
e5 28. e3 Qe7 29. Nh4 *
Position (FEN): 2k3r1/ppp1qn2/3p4/3PppP1/2P2P1N/1PQ1P3/P5K1/7R b - - 2 29
Black to move.
Themes:  Endgame  
Puzzle rating: 1999
Best move: exf4