Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Flohr_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Be3 b6 6. Nc3 Bb7 7. Be2 e6 8.
O-O Bd6 9. Nf3 Ne5 10. Nb5 Nxf3+ 11. Bxf3 Bxh2+ 12. Kh1 Qe5 13. Qd3 Ba6 *
Position (FEN): r3k1nr/p2p1ppp/bp2p3/1N2q3/4P3/3QBB2/PPP2PPb/R4R1K w kq - 4 14
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 2181
Best move: a4