Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. a3 Bc5 5. Nf3 Ng4 6. O-O d6 7. h3 h5 8. Bg5 f6
9. Bd2 Nd4 10. Nxd4 Bxd4 11. c3 Bc5 12. b4 Bb6 13. Qb3 Qe7 14. a4 a6 15. a5 Ba7
16. b5 axb5 17. Bxb5+ c6 18. Bc4 d5 19. exd5 cxd5 20. Bxd5 Bd7 21. Bxb7 Rb8 22.
a6 Be6 23. Qb5+ Kf7 24. Na3 f5 25. hxg4 hxg4 26. Qxe5 Qh4 27. Qc7+ Kf6 28. Bg5+
Qxg5 29. Rfe1 Qh4 30. Qe5+ Kg5 31. Qxg7+ Kf4 32. Qc7+ Kg5 33. Qe7+ Kf4 34. Qxh4
Rxh4 35. Rxe6 g3 36. d4 Rbh8 37. fxg3+ Kxg3 38. Re3+ Kf4 39. Rf3+ Kg5 40. Kf2
Rxd4 41. Kg3 *
Position (FEN): 7r/bB6/P7/5pk1/3r4/N1P2RK1/6P1/R7 b - - 1 41
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 762
Best move: Rg4#