Chess puzzle (Advantage)
Moves: 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. e3 c6 5. Bd3 d5 6. Nbd2 Na6 7. a3 c5 8. cxd5
Nxd5 9. Bxa6 bxa6 10. dxc5 O-O 11. O-O Rb8 12. Rb1 a5 13. a4 Bg4 14. h3 Bxf3
15. Qxf3 e6 16. Qd1 Qc7 17. g3 Qxc5 18. Nb3 Qc7 19. Bd2 Rfd8 20. Bxa5 Nb6 21.
Bd2 Nxa4 22. Ba5 *
Position (FEN): 1r1r2k1/p1q2pbp/4p1p1/B7/n7/1N2P1PP/1P3P2/1R1Q1RK1 b - - 1 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1502
Best move: Rxd1