Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. Bd3 e6 5. Nf3 Ne4 6. Bxe4 Bxe4 7. Nbd2 Bg6 8.
Ne5 f6 9. Nxg6 hxg6 10. Qe2 c6 11. h4 g5 12. Bg3 Bd6 13. Bxd6 Qxd6 14. O-O-O
gxh4 15. Qg4 g5 16. g3 Nd7 17. gxh4 gxh4 18. Rxh4 O-O-O 19. Rdh1 f5 20. Qg7
Rhg8 21. Qh6 Rg2 22. f4 Rdg8 23. Nf3 *
Position (FEN): 2k3r1/pp1n4/2pqp2Q/3p1p2/3P1P1R/4PN2/PPP3r1/2K4R b - - 2 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1993
Best move: Qb4