Chess puzzle (Equality)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. Nf3 Be7 7. O-O dxc4 8.
Bxc4 b5 9. Bd3 a6 10. Ne4 Bb7 11. Nxf6+ Nxf6 12. Qc2 O-O 13. e4 c5 14. e5 Nd5
15. Bxh7+ Kh8 16. a3 cxd4 17. Be4 Qb6 18. Qd3 Rac8 19. Ng5 Bxg5 20. Qh3+ Bh6
21. Bxh6 f5 22. exf6 Nxf6 23. Be3+ Kg8 24. Bxb7 dxe3 25. Bxc8 exf2+ 26. Rxf2
Rxc8 27. Kh1 Qxf2 28. Qxe6+ Kh7 29. Qxc8 Qxb2 30. Qh3+ Kg6 31. Qd3+ Kf7 32. Rb1
Qe5 33. Rf1 Kg8 34. h3 Ne4 35. Qd8+ Kh7 36. Qh4+ Kg8 37. Rf4 *
Position (FEN): 6k1/6p1/p7/1p2q3/4nR1Q/P6P/6P1/7K b - - 6 37
Black to move.
Themes:  Endgame  
Puzzle rating: 2137
Best move: Qa1+