Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Bc4 c6 6. O-O d5 7. exd5 Nxf3+ 8.
Qxf3 b5 9. Bb3 Bg4 10. Qg3 b4 11. Qxe5+ Qe7 12. Qxe7+ Bxe7 13. Na4 cxd5 14. c3
O-O 15. cxb4 Bxb4 16. a3 Bd6 17. Nc3 Rab8 18. Bxd5 Nxd5 19. Nxd5 Rfe8 20. b4
Be6 21. Ne3 a5 22. bxa5 Be5 23. Nc2 *
Position (FEN): 1r2r1k1/5ppp/4b3/P3b3/8/P7/2NP1PPP/R1B2RK1 b - - 2 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1214
Best move: Bxa1