Chess puzzle (Advantage)
Opening: Rat_Defense, Rat_Defense_Small_Center_Defense
Moves: 1. d4 e6 2. e4 d6 3. Nf3 h6 4. Be3 a6 5. c4 Bd7 6. Nc3 b6 7. Be2 Be7 8. O-O g5
9. b4 g4 10. Ne1 h5 11. Nc2 Bg5 12. c5 Bxe3 13. Nxe3 dxc5 14. bxc5 b5 15. Nxg4
*
Position (FEN): rn1qk1nr/2pb1p2/p3p3/1pP4p/3PP1N1/2N5/P3BPPP/R2Q1RK1 b kq - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1026
Best move: hxg4