Chess puzzle (Advantage)
Moves: 1. Nf3 c6 2. d4 d5 3. c4 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bd2 O-O 7. Bd3 Nbd7 8. Qc1
c5 9. cxd5 cxd4 10. exd4 Nb6 11. Bh6 Nbxd5 12. Bxg7 Kxg7 13. Nxd5 Qxd5 14. O-O
Bg4 15. Bc4 Qh5 16. Ne5 e6 17. h3 Bf5 18. g4 Nxg4 19. hxg4 Bxg4 20. Nxg4 *
Position (FEN): r4r2/pp3pkp/4p1p1/7q/2BP2N1/8/PP3P2/R1Q2RK1 b - - 0 20
Black to move.
Themes: Kingside Attack Middlegame  
Puzzle rating: 821
Best move: Qxg4+