Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O Nbd7 8. a3
e6 9. b4 Ne4 10. Bb2 e5 11. cxd5 Nxc3 12. Bxc3 e4 13. Ne5 cxd5 14. Nxd7 Bxd7
15. a4 Qg5 16. b5 Bh3 17. Bf3 exf3 18. Qxf3 Bg4 19. Qg3 Qh6 *
Position (FEN): r4rk1/pp3pbp/6pq/1P1p4/P2P2b1/2B1P1Q1/5PPP/R4RK1 w - - 3 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 865
Best move: Qxg4