Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. c3 g6 5. d3 Bg7 6. h3 e6 7. Be2 d5 8. e5 Nge7
9. d4 cxd4 10. cxd4 Nf5 11. g4 Ng3 12. Rg1 Nxe2 13. Qxe2 O-O 14. Nc3 Qb6 15.
Qd2 Bd7 16. Na4 Qa6 *
Position (FEN): r4rk1/pp1b1pbp/q1n1p1p1/3pP3/N2P1PP1/5N1P/PP1Q4/R1B1K1R1 w Q - 7 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1012
Best move: Nc5