Chess puzzle (Advantage)
Opening: Bogo-Indian_Defense, Bogo-Indian_Defense_Grunfeld_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. Qc2 O-O 7. e4 dxe4 8.
Nxe4 Nbd7 9. Bd3 Nxe4 10. Bxe4 Nf6 11. Bd3 c5 12. dxc5 Bxc5 13. Bg5 h6 14.
O-O-O Kh8 15. Be4 Qe7 16. Bh4 g5 17. Nxg5 Nxe4 18. Qxe4 *
Position (FEN): r1b2r1k/pp2qp2/4p2p/2b3N1/2P1Q2B/P7/1P3PPP/2KR3R b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1356
Best move: hxg5