Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 e5 3. d4 cxd4 4. cxd4 exd4 5. Qxd4 Nc6 6. Qd1 Bb4+ 7. Bd2 Qa5 8.
Nc3 Nf6 9. Bd3 O-O 10. Nf3 d5 11. a3 dxe4 12. axb4 Qf5 13. Nh4 Qe5 14. Bc2 Bg4
15. Qb1 Nxb4 16. Bxe4 Rfe8 17. f3 Nxe4 18. Nxe4 g5 19. Bxb4 gxh4 20. Bc3 Qf4
21. fxg4 Rxe4+ 22. Kd1 Rd8+ 23. Kc2 Re2+ 24. Kb3 Rd6 25. Ra4 Rb6+ 26. Rb4 Rxb4+
27. Bxb4 Re3+ 28. Bc3 b5 29. Qd1 *
Position (FEN): 6k1/p4p1p/8/1p6/5qPp/1KB1r3/1P4PP/3Q3R b - - 1 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1570
Best move: Qa4#