Chess puzzle (Advantage)
Moves: 1. d4 c5 2. d5 g6 3. c4 Bg7 4. e4 d6 5. Nc3 Nf6 6. Nf3 Qa5 7. Bd2 Nbd7 8. Bd3
Qd8 9. O-O O-O 10. Qc1 Ng4 11. h3 Nge5 12. Nxe5 Nxe5 13. Bc2 Nxc4 14. Bh6 a6
15. b3 Bxc3 16. Bxf8 Bxa1 17. bxc4 Qxf8 18. Qxa1 Bd7 19. f4 b5 20. cxb5 Bxb5
21. Rf3 Qg7 22. Qc1 Qd4+ 23. Kh1 Bd7 24. Qb1 f5 *
Position (FEN): r5k1/3bp2p/p2p2p1/2pP1p2/3qPP2/5R1P/P1B3P1/1Q5K w - - 0 25
White to move.
Themes:  Endgame  
Puzzle rating: 1862
Best move: Qb7