Chess puzzle (Checkmate)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. O-O c6 5. Nc3 Qf6 6. Rb1 Be7 7. a4 Qg6 8. b4
Bh3 9. Re1 *
Position (FEN): rn2k1nr/pp2bpp1/2pp2qp/4p3/PPB1P3/2N2N1b/2PP1PPP/1RBQR1K1 b kq - 2 9
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 556
Best move: Qxg2#