Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 g6 6. c4 Bg7 7. Nc3 Bd7 8. Be3
Nc6 9. Qe2 Nxd4 10. Bxd4 Bc6 11. b4 O-O 12. b5 Nxe4 *
Position (FEN): r2q1rk1/pp2ppbp/2bp2p1/1P6/2PBn3/2NB4/P3QPPP/R3K2R w KQ - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1705
Best move: Bxg7