Chess puzzle (Advantage)
Moves: 1. Nf3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qa4 Nf6 5. Qb3 e6 6. Bg5 d5 7. e3 h6 8.
Bxf6 Qxf6 9. Bb5 Bd7 10. Bxc6 Bxc6 11. O-O Be7 12. Nd4 O-O 13. Nc3 e5 14. Nxc6
bxc6 15. e4 d4 16. Ne2 Rfb8 17. Qd3 Rxb2 18. Rfb1 Rab8 19. Rxb2 Rxb2 20. Ng3 a5
21. Nf5 a4 22. a3 Qe6 23. Qg3 Bf6 24. Nxh6+ Kf8 25. Nf5 Ra2 26. Rxa2 *
Position (FEN): 5k2/5pp1/2p1qb2/4pN2/p2pP3/P5Q1/R1P2PPP/6K1 b - - 0 26
Black to move.
Themes:  Endgame  
Puzzle rating: 605
Best move: Qxa2