Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nc3 Nf6 3. f4 exf4 4. d4 Bb4 5. Bd3 Qe7 6. Qe2 d5 7. e5 Ng4 8. Bxf4
Nc6 9. Nf3 Be6 10. O-O O-O-O 11. a3 Bxc3 12. bxc3 h5 13. Rfb1 b6 14. h3 Nh6 15.
Bg5 f6 16. exf6 gxf6 17. Bxh6 Rxh6 18. Re1 Re8 19. Nh4 Qd7 20. Bf5 Nd8 21. a4
Rhh8 22. Qa6+ Kb8 23. Bxe6 Rxe6 24. Rxe6 Qxe6 25. a5 Qe3+ 26. Kh1 Qxc3 *
Position (FEN): 1k1n3r/p1p5/Qp3p2/P2p3p/3P3N/2q4P/2P3P1/R6K w - - 0 27
White to move.
Themes:  Endgame  
Puzzle rating: 1140
Best move: axb6