Chess puzzle (Advantage)
Opening: Bishops_Opening, Bishops_Opening_Other_variations
Moves: 1. e4 e5 2. Bc4 d6 3. d3 Nf6 4. Nc3 Nbd7 5. f4 exf4 6. Bxf4 Nb6 7. Bb3 Be7 8.
Qd2 d5 9. exd5 Nbxd5 10. Nxd5 Nxd5 11. O-O-O *
Position (FEN): r1bqk2r/ppp1bppp/8/3n4/5B2/1B1P4/PPPQ2PP/2KR2NR b kq - 1 11
Black to move.
Themes:  Opening  
Puzzle rating: 847
Best move: Nxf4