Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. c3 Bg4 4. d4 Nc6 5. d5 Nce7 6. Bd3 Nf6 7. c4 c6 8. Nc3
Qa5 9. Bd2 Qb6 10. b3 O-O-O 11. a4 Bxf3 12. gxf3 Qd4 13. Rc1 *
Position (FEN): 2kr1b1r/pp2nppp/2pp1n2/3Pp3/P1PqP3/1PNB1P2/3B1P1P/2RQK2R b K - 2 13
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1278
Best move: Qxd3