Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. h3 Nf6 4. d3 h6 5. Bd2 Bc5 6. Be2 d6 7. a3 a5 8. Nc3 Be6
9. O-O O-O 10. b3 Qd7 11. a4 Nh7 12. Nb5 Ne7 13. Rc1 c6 14. Nc3 f5 15. exf5
Nxf5 16. Ne4 Bb6 17. c4 Nd4 18. Nxd4 Bxd4 19. Bc3 Bb6 20. Qe1 Bxh3 21. gxh3 *
Position (FEN): r4rk1/1p1q2pn/1bpp3p/p3p3/P1P1N3/1PBP3P/4BP2/2R1QRK1 b - - 0 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1045
Best move: Qxh3