Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. f3 O-O 8. Be3
Bd7 9. h4 Nh5 10. Bf2 Nc6 11. Nb3 Nf4 12. Qd2 Nxg2+ *
Position (FEN): r2q1rk1/pp1bppbp/2np2p1/8/4P2P/1NN2P2/PPPQBBn1/R3K2R w KQ - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1223
Best move: Kf1