Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bc4 h6 4. d3 d6 5. h3 Nc6 6. c3 Bd7 7. a4 a6 8. b4 Be7
9. Be3 O-O 10. Nbd2 Qc8 11. O-O Nh5 12. Kh2 Kh8 13. Nh4 Nf4 14. Bxf4 exf4 15.
Nf5 Bg5 16. Nf3 Bxf5 17. Nxg5 Bg6 18. Nf3 Ne7 19. Qd2 f5 20. Rfe1 fxe4 21. dxe4
b5 22. Bxb5 *
Position (FEN): r1q2r1k/2p1n1p1/p2p2bp/1B6/PP2Pp2/2P2N1P/3Q1PPK/R3R3 b - - 0 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1001
Best move: axb5