Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nxc3 6. bxc3 Be7 7. d4 O-O 8.
Bd3 f5 9. Ne2 c6 10. O-O Na6 11. a4 Nc7 12. Ba3 g6 13. Bxe7 Qxe7 14. Nf4 Ne6
15. Nxe6 Bxe6 16. Qe3 Qg7 17. Rab1 g5 18. Rf3 f4 19. Qd2 Rab8 20. Rf2 Qh6 21.
Rbf1 Kh8 22. g3 Bh3 23. Re1 fxg3 24. Rxf8+ Rxf8 25. hxg3 Qh5 26. Be2 Qf7 27.
Qe3 Bf5 28. Bd3 Bxd3 29. cxd3 Qe7 30. Re2 a5 31. Rf2 Rxf2 32. Qxf2 b5 33. axb5
cxb5 34. Qf5 a4 35. e6 Kg7 36. Qxd5 a3 37. Qe5+ Kh6 38. d5 *
Position (FEN): 8/4q2p/4P2k/1p1PQ1p1/8/p1PP2P1/8/6K1 b - - 0 38
Black to move.
Themes: Advanced Pawn Endgame, Queen Endgame  
Puzzle rating: 1584
Best move: a2