Chess puzzle (Crushing)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Normal_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. c4 e6 5. Nc3 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Bd3
Re8 9. cxd5 exd5 10. O-O Nf8 11. h3 Ne4 12. Qc2 Bf5 13. Bxe4 dxe4 14. Nd2 Qh4
15. f4 Re6 16. Rae1 Rae8 17. Nc4 Bxh3 18. gxh3 *
Position (FEN): 4rnk1/pp3ppp/2pbr3/8/2NPpP1q/1PN1P2P/PBQ5/4RRK1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1572
Best move: Rg6+