Chess puzzle (Advantage)
Moves: 1. e4 d5 2. e5 d4 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nc6 6. Bc4 Nxe5 7. Qd3 Nxc4 8.
Qxc4 Qd7 9. O-O O-O-O 10. Qxf7 e5 11. Qc4 Bd6 12. d3 h6 13. a4 Nf6 14. b4 Kb8
15. b5 Rhe8 16. a5 Qe6 17. Qa4 Bc5 18. Ba3 Nd7 19. Bxc5 Nxc5 20. Qb4 Qd5 21. b6
Na6 22. bxc7+ Nxc7 23. a6 Nxa6 *
Position (FEN): 1k1rr3/pp4p1/n6p/3qp3/1Q1p4/3P3P/2P2PP1/RN3RK1 w - - 0 24
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1231
Best move: Rxa6