Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin
Moves: 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. d4 cxd4 5. cxd4 Nxe4 6. Bd3 Qa5+ 7. Nfd2 Nf6 8.
O-O Bg4 9. f3 Bd7 10. Nc4 Qh5 11. Be2 Nc6 12. f4 Bg4 13. Bxg4 Nxg4 14. h3 Nf6
15. Qd3 Nb4 *
Position (FEN): r3kb1r/pp2pppp/3p1n2/7q/1nNP1P2/3Q3P/PP4P1/RNB2RK1 w kq - 3 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1992
Best move: Qb3