Chess puzzle (Crushing)
Moves: 1. c4 e5 2. a3 a5 3. e3 Nf6 4. Nc3 Bc5 5. Nf3 c6 6. Be2 Qc7 7. O-O O-O 8. d4
exd4 9. exd4 Ba7 10. c5 d5 11. Be3 Bf5 12. Ne5 Nbd7 13. Bf4 Nxe5 14. Bxe5 Qe7
15. Bd6 Qd7 16. Bxf8 Rxf8 17. Bf3 Bb8 18. Qd2 Ne4 19. Nxe4 Bxe4 20. Bxe4 dxe4
21. Rfe1 f5 22. Qxa5 Qxd4 23. Rab1 Qe5 24. g3 f4 25. Qb4 e3 26. gxf4 *
Position (FEN): 1b3rk1/1p4pp/2p5/2P1q3/1Q3P2/P3p3/1P3P1P/1R2R1K1 b - - 0 26
Black to move.
Themes: Advanced Pawn Endgame  
Puzzle rating: 1540
Best move: exf2+