Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Mikenas-Carls_Variation
Moves: 1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d3 c5 5. Nf3 Nbd7 6. Be2 Be7 7. h3 Nf8 8. Nh4
N6d7 9. Nf3 Ng6 10. O-O Bf6 11. Nb5 Nb8 12. Bf4 *
Position (FEN): rnbqk2r/pp3ppp/3ppbn1/1Np5/2P1PB2/3P1N1P/PP2BPP1/R2Q1RK1 b kq - 10 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 996
Best move: Nxf4