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 d5 6. Bb5+ c6 7. Bd3 dxe4 8.
Be2 Bc5 9. Be3 Bg4 *
Position (FEN): rn1qk2r/pp3ppp/2p2n2/2b5/3Np1b1/2N1B3/PPP1BPPP/R2QK2R w KQkq - 4 10
White to move.
Themes:  Opening  
Puzzle rating: 978
Best move: Bxg4