Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. Bc4 Nc6 7. Nxc6 Bxc6 8.
Bg5 Be7 9. Bxf6 Bxf6 10. Qf3 O-O 11. g4 Bxc3+ 12. bxc3 Qe7 13. O-O-O Bxe4 14.
Qe3 b5 *
Position (FEN): r4rk1/p1p1qppp/3p4/1p6/2B1b1P1/2P1Q3/P1P2P1P/2KR3R w - - 0 15
White to move.
Themes:  Middlegame  
Puzzle rating: 1616
Best move: Bd5