Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
Nbd7 9. Qd2 h5 10. O-O-O Qc7 11. Kb1 Rc8 12. Rc1 Be7 13. h3 h4 14. Be2 b5 15.
Rhd1 b4 16. Nd5 Bxd5 17. exd5 a5 18. Bb5 O-O 19. Qd3 Nb6 20. Bxb6 Qxb6 21. Bc6
Nh5 22. Rg1 Nf4 23. Qf5 Ne2 24. Rge1 Nxc1 25. Rxc1 g6 26. Qg4 Kg7 27. f4 f5 28.
Qe2 Bf6 29. Re1 Rxc6 30. dxc6 a4 31. Nc1 Qxc6 32. fxe5 dxe5 33. Nd3 e4 34. Nxb4
Qc5 35. a3 Rd8 36. Qa6 Rd2 37. Qxa4 Rxg2 38. Qd7+ Kh6 39. Qf7 Qe5 40. c3 Rxb2+
41. Ka1 Qxc3 42. Rg1 Rb1+ 43. Kxb1 *
Position (FEN): 8/5Q2/5bpk/5p2/1N2p2p/P1q4P/8/1K4R1 b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1162
Best move: Qb2#