Chess puzzle (Advantage)
Opening: Vant_Kruijs_Opening, Vant_Kruijs_Opening_Other_variations
Moves: 1. e3 e5 2. b3 d5 3. Bb2 Nc6 4. Bb5 a6 5. Bxc6+ bxc6 6. Bxe5 Qe7 7. d4 Nf6 8.
Nf3 Bg4 9. h3 Bh5 10. g4 Bg6 11. Nc3 Ne4 12. Nxe4 dxe4 13. Nd2 Qd7 14. Nc4 f5
15. Na5 *
Position (FEN): r3kb1r/2pq2pp/p1p3b1/N3Bp2/3Pp1P1/1P2P2P/P1P2P2/R2QK2R b KQkq - 1 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 959
Best move: Bb4+