Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nc6 6. Kc2 Nf6 7. f3 Be6 8.
Be3 b6 9. Na3 O-O-O 10. Ba6+ Kb8 11. Ne2 g6 12. Nb5 Bg7 *
Position (FEN): 1k1r3r/p3ppbp/Bpn1bnp1/1Np5/4P3/2P1BP2/PPK1N1PP/R6R w - - 2 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1193
Best move: Bf4+