Chess puzzle (Advantage)
Moves: 1. d4 d6 2. Bf4 Nf6 3. e3 g6 4. Be2 Bg7 5. Nf3 Nbd7 6. O-O c5 7. c3 O-O 8. Nbd2
b6 9. e4 Bb7 10. d5 Nh5 11. Bg5 h6 12. Bh4 g5 13. Ne1 Nf4 14. Bg3 e5 15. Bg4
Ba6 16. c4 b5 17. b3 bxc4 18. Nxc4 Nb6 19. Rc1 Rb8 20. Nd3 Nxc4 21. bxc4 Qa5
22. Bxf4 exf4 23. Qc2 Rb7 24. a4 Rfb8 25. g3 fxg3 26. hxg3 Rb3 27. Rb1 Qb6 28.
Rxb3 *
Position (FEN): 1r4k1/p4pb1/bq1p3p/2pP2p1/P1P1P1B1/1R1N2P1/2Q2P2/5RK1 b - - 0 28
Black to move.
Themes:  Middlegame  
Puzzle rating: 650
Best move: Qxb3