Chess puzzle (Advantage)
Opening: Kings_Knight_Opening, Kings_Knight_Opening_Konstantinopolsky
Moves: 1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. d3 h6 5. Bg2 Bc5 6. c4 d6 7. h3 Be6 8. Nc3 Bb4
9. d4 exd4 10. Nxd4 Bxc4 11. Nxc6 bxc6 12. Bf4 Qe7 13. Qa4 Bb5 *
Position (FEN): r3k2r/p1p1qpp1/2pp1n1p/1b6/Qb2PB2/2N3PP/PP3PB1/R3K2R w KQkq - 4 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 950
Best move: Qxb4