Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. e3 Nf6 3. f4 g6 4. Be2 Bg7 5. h4 h5 6. Nf3 Bg4 7. Ng5 Bxe2 8. Qxe2
Ng4 9. Nd2 Nd7 10. Ndf3 O-O 11. b3 c5 12. Bb2 cxd4 13. exd4 Rc8 14. O-O-O Qc7
15. d5 Bxb2+ 16. Kxb2 Qc3+ 17. Kb1 Nc5 18. Nd4 Na4 19. bxa4 Rc4 20. Nb3 Rxa4
21. Qd3 Qb4 22. f5 Qa3 23. Nc1 Rb4+ 24. Nb3 Ra4 25. fxg6 Qxa2+ 26. Kc1 Qa3+ 27.
Kd2 Qb4+ 28. Ke2 f5 29. Ne6 Ne5 30. Qe3 Qg4+ 31. Kf1 Re4 32. Qh6 Qxd1+ 33. Kf2
Ng4+ 34. Kg3 Nxh6 35. Rxd1 f4+ 36. Kf3 Re3+ 37. Kf2 Ng4+ 38. Kg1 Rf5 39. Nbd4
Rfe5 40. Nf3 R5e4 41. Nfg5 Re1+ 42. Rxe1 *
Position (FEN): 6k1/pp2p3/3pN1P1/3P2Np/4rpnP/8/2P3P1/4R1K1 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 507
Best move: Rxe1#