Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Modern_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. Nxd4 Qe7 5. Nc3 Nxe4 6. Nxe4 Qxe4+ 7. Be3 d5
8. Qd2 Bc5 9. O-O-O O-O 10. Bd3 Qe5 11. Nf3 Qd6 12. Bf4 Qb6 13. Ng5 g6 14. f3
Nc6 15. Rde1 Bf2 16. Re2 Bd4 17. c3 Bf6 18. Rhe1 Bxg5 *
Position (FEN): r1b2rk1/ppp2p1p/1qn3p1/3p2b1/5B2/2PB1P2/PP1QR1PP/2K1R3 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1103
Best move: Bxg5