Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Leonardis_Variation
Moves: 1. e4 e5 2. d3 Nc6 3. Nf3 Bc5 4. Nc3 d6 5. h3 a6 6. Qe2 Nf6 7. Be3 Nd4 8. Qd1
b5 9. a3 c6 10. Bxd4 exd4 11. Ne2 Qb6 12. Nc1 Qa5+ 13. Qd2 Bb4 *
Position (FEN): r1b1k2r/5ppp/p1pp1n2/qp6/1b1pP3/P2P1N1P/1PPQ1PP1/R1N1KB1R w KQkq - 6 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1168
Best move: Qxb4