Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 Bxc3+ 5. bxc3 d5 6. cxd5 exd5 7. e3 Bf5 8.
Ne2 c6 9. g4 Bg6 10. Nf4 O-O 11. h4 h6 12. Nxg6 fxg6 13. Bd3 Qd6 14. Rh3 Nbd7
15. Qe2 c5 16. Rb1 cxd4 17. cxd4 Nb6 18. Bd2 Qe6 19. a4 a5 20. Qg2 Nc4 21. Bxc4
dxc4 22. e4 Nd7 23. Bc3 Nb6 24. Qc2 Nd5 25. Rxb7 Rfb8 26. Rxb8+ Rxb8 27. Kd2
Nf4 28. Rh1 Nd3 29. Rb1 Rf8 30. Qd1 Qf6 31. d5 *
Position (FEN): 5rk1/6p1/5qpp/p2P4/P1p1P1PP/2Bn1P2/3K4/1R1Q4 b - - 0 31
Black to move.
Themes:  Endgame  
Puzzle rating: 1426
Best move: Qf4+