Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Qxd5 4. Nc3 Qd8 5. Bg5 Nbd7 6. Nf3 h6 7. Bh4 g5 8.
Bg3 e6 9. h3 Bb4 10. Ne5 Nxe5 11. Bxe5 Bd6 12. Bxf6 Qxf6 13. e3 Bd7 14. Bd3 Bc6
15. Be4 Bxe4 16. Nxe4 Qf5 17. Nxd6+ cxd6 18. Qa4+ Ke7 19. O-O a6 20. Rac1 b5
21. Qc2 Qd5 22. Qc7+ Kf6 23. Qc6 Qxa2 24. Qf3+ Kg7 25. Rc7 Rhf8 26. Qh5 Qxb2 *
Position (FEN): r4r2/2R2pk1/p2pp2p/1p4pQ/3P4/4P2P/1q3PP1/5RK1 w - - 0 27
White to move.
Themes:  Endgame  
Puzzle rating: 2307
Best move: f4