Chess puzzle (Advantage)
Opening: Three_Knights_Opening, Three_Knights_Opening_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Bc4 Bxc3 5. dxc3 h6 6. O-O Nf6 7. Re1 d6 8.
b3 Ne7 9. a4 Ng6 10. b4 a6 11. Bb3 Nf4 *
Position (FEN): r1bqk2r/1pp2pp1/p2p1n1p/4p3/PP2Pn2/1BP2N2/2P2PPP/R1BQR1K1 w kq - 2 12
White to move.
Themes:  Opening  
Puzzle rating: 1614
Best move: Bxf4