Chess puzzle (Advantage)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Chigorin_Defense
Moves: 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Nf3 Bd6 6. Bd3 Ngf6 7. Qc2 h6 8. Bd2
dxc4 9. Bxc4 O-O 10. e4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. O-O Qc7 14. f4 Bxc3
15. Bxc3 Qe7 16. Rae1 Qc5+ 17. Kh1 Qxc4 18. Rf3 Bg4 19. Rg3 Bh5 *
Position (FEN): r4rk1/pp3pp1/2p2n1p/7b/2q1PP2/2B3R1/PPQ3PP/4R2K w - - 4 20
White to move.
Themes: Kingside Attack Middlegame  
Puzzle rating: 1730
Best move: Rxg7+