Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nf6 5. e5 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Ke7
8. Bg5 h6 9. Bxf6+ Kxf6 10. Nc4 b5 11. Be2 *
Position (FEN): rnb2b1r/p1p2pp1/5k1p/1p6/2N5/8/PPP1BPPP/RN2K2R b KQ - 1 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1582
Best move: bxc4