Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. e4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Be2 Qh4 6. Nc3 e5 7. g3 Qf6 8. Nf3
Qb6 9. O-O Nf6 10. Na4 Qc7 11. Nxc5 Qxc5 12. Qd3 Nc6 13. Be3 Qb4 14. Nd2 O-O
15. b3 b6 16. c3 Qe7 17. Rad1 a5 18. Bxb6 Ba6 19. c4 a4 20. Qe3 axb3 21. Nxb3
Rfb8 22. c5 Bxe2 23. Qxe2 Ra4 24. Rb1 Rxe4 25. Qa6 Rb4 26. a4 Nd5 27. a5 Qe8
28. Qe2 Nc3 29. Qd2 Nxb1 30. Rxb1 Nd4 31. Qxb4 Nxb3 32. Qxb3 Qc8 33. Ra1 Qa6
34. Qd5 Qe2 35. Qd6 Ra8 36. Qxd7 e4 37. c6 Qb2 38. c7 Qxa1+ 39. Kg2 Qc3 40.
Qd8+ Rxd8 *
Position (FEN): 3r2k1/2P2ppp/1B6/P7/4p3/2q3P1/5PKP/8 w - - 0 41
White to move.
Themes: Advanced Pawn Endgame Back Rank Mate, Mate in 1 Promotion
Puzzle rating: 617
Best move: cxd8=Q#