Chess puzzle (Advantage)
Moves: 1. e4 g6 2. d4 Bg7 3. c4 e5 4. d5 c6 5. Nc3 b6 6. Nf3 Bb7 7. Be2 b5 8. b3 Ne7
9. O-O O-O 10. d6 Nc8 11. c5 Na6 12. Be3 f5 13. exf5 gxf5 14. b4 f4 15. Bd2
Nxb4 16. Qb3+ Nd5 17. Nxd5 cxd5 18. Bxb5 Kh8 19. Bc3 d4 20. Bd2 Bxf3 *
Position (FEN): r1nq1r1k/p2p2bp/3P4/1BP1p3/3p1p2/1Q3b2/P2B1PPP/R4RK1 w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1571
Best move: Qxf3