Chess puzzle (Equality)
Moves: 1. Nf3 Nf6 2. Nc3 g6 3. e4 d6 4. Bb5+ Bd7 5. Bc4 h6 6. d4 Bg4 7. h3 Bxf3 8.
Qxf3 e5 9. dxe5 dxe5 10. O-O c6 11. Rd1 Qe7 12. a4 Bg7 13. b3 O-O 14. Ba3 c5
15. Nd5 Nxd5 16. Bxd5 Nc6 17. Bxc6 bxc6 18. Qe3 Qc7 19. Bxc5 Rfd8 20. Rxd8+
Rxd8 21. Bxa7 Qd7 22. Bb6 Rb8 23. a5 f5 24. f4 *
Position (FEN): 1r4k1/3q2b1/1Bp3pp/P3pp2/4PP2/1P2Q2P/2P3P1/R5K1 b - - 0 24
Black to move.
Themes:  Endgame  
Puzzle rating: 1542
Best move: exf4