Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8
8. f3 d5 9. Qf2 dxe4 10. Nxe4 Nxe4 11. fxe4 Bg4 12. Nf3 Qe7 13. Bc4 Rad8 14.
Bxb4 Nxb4 15. a3 Nc6 16. h3 Be6 17. Bd5 Bxd5 18. exd5 Ne5 19. Rhe1 Qf6 20. Qe2
Qh6+ 21. Kb1 f6 22. Nxe5 Rxe5 23. Qc4 Rxe1 24. Rxe1 Qd2 25. d6+ Kh8 26. Qe4
Qxd6 27. Qxb7 Qb6 28. Qe4 h6 29. Re3 Rd1+ 30. Ka2 Qd4 31. Qxd4 Rxd4 32. Re7 Rc4
33. Kb3 Rc6 34. c4 Kg8 35. Kc3 Kf8 36. Rd7 f5 37. b4 f4 38. b5 Rg6 39. Rxc7
Rxg2 40. Rxa7 f3 41. b6 f2 42. b7 f1=Q *
Position (FEN): 5k2/RP4p1/7p/8/2P5/P1K4P/6r1/5q2 w - - 0 43
White to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion
Puzzle rating: 1406
Best move: b8=Q#