Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. g3 e6 5. Bg2 Bb4 6. Nf3 Bxc3+ 7. bxc3 O-O 8.
O-O Nbd7 9. c5 Re8 10. Re1 Qc7 11. e4 dxe4 12. Ng5 e5 13. Nxe4 Nxe4 14. Bxe4
Nf6 15. dxe5 Rxe5 16. Bf4 Nxe4 17. Rxe4 f6 18. Bxe5 fxe5 19. Qe1 Bh3 20. Rxe5
Qf7 21. Qe4 Rf8 22. Qe3 h6 23. Re1 Qxa2 24. Re7 a5 25. Qd4 Rf7 26. Rxf7 Qxf7
27. Qe3 a4 28. Qe8+ Qxe8 29. Rxe8+ Kf7 30. Re1 Be6 31. Ra1 Bb3 32. f4 Ke6 33.
Kf2 Kd5 34. Ke3 Kc4 35. Kd2 Kxc5 36. g4 b5 37. h4 Kc4 38. f5 c5 39. g5 b4 40.
f6 bxc3+ 41. Kc1 gxf6 42. gxf6 Kb4 43. Rb1 a3 44. Rxb3+ Kxb3 45. f7 a2 46. f8=Q
*
Position (FEN): 5Q2/8/7p/2p5/7P/1kp5/p7/2K5 b - - 0 46
Black to move.
Themes: Advanced Pawn Endgame, Queen Endgame Mate in 1 Promotion
Puzzle rating: 666
Best move: a1=Q#