Chess puzzle (Advantage)
Moves: 1. g3 e5 2. Bg2 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. Nf3 Ne4 6. O-O Nxc3 7. bxc3 O-O 8.
d4 exd4 9. cxd4 Bd6 10. Bb2 Re8 11. a3 b6 12. d5 Ne7 13. e4 Ng6 14. Nd4 c5 15.
Nb5 Be5 16. c3 Ba6 17. a4 Bxb5 18. axb5 Bd6 19. c4 Be5 20. Ba3 Bxa1 21. Qxa1
Ne5 22. Qb1 g6 23. f4 Nxc4 24. Bc1 Nd6 25. e5 Nc4 26. d6 a6 27. Bxa8 *
Position (FEN): B2qr1k1/3p1p1p/pp1P2p1/1Pp1P3/2n2P2/6P1/7P/1QB2RK1 b - - 0 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 922
Best move: Qxa8