Chess puzzle (Advantage)
Opening: Vant_Kruijs_Opening, Vant_Kruijs_Opening_Other_variations
Moves: 1. e3 e6 2. Nf3 Nc6 3. Be2 Nb4 4. O-O Nf6 5. c3 Nbd5 6. c4 Ng4 7. Nh4 Bd6 8.
Bxg4 g5 9. Nf3 f5 10. Bh5+ Kf8 11. Nxg5 Qxg5 12. Bf3 Nb4 13. Nc3 h5 14. e4 h4
15. Qb3 *
Position (FEN): r1b2k1r/pppp4/3bp3/5pq1/1nP1P2p/1QN2B2/PP1P1PPP/R1B2RK1 b - - 1 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1860
Best move: Qf4