Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Qc7 5. d3 Nc6 6. Be3 d6 7. Qd2 Nf6 8. e5 Ng4
9. O-O-O Nxe3 10. Qxe3 Be7 11. d4 cxd4 12. Nxd4 O-O 13. a3 b5 14. Nxc6 Qxc6 15.
Bd3 dxe5 *
Position (FEN): r1b2rk1/4bppp/p1q1p3/1p2p3/5P2/P1NBQ3/1PP3PP/2KR3R w - - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1051
Best move: Be4