Chess puzzle (Advantage)
Opening: Vant_Kruijs_Opening, Vant_Kruijs_Opening_Other_variations
Moves: 1. e3 e6 2. d4 d5 3. c4 Nf6 4. Nc3 Bb4 5. Qb3 Qd6 6. Bd2 Bxc3 7. Bxc3 Ne4 8.
Bb4 c5 9. dxc5 Nxc5 10. Qa3 Nbd7 11. cxd5 Qxd5 12. Rc1 b6 13. Rd1 Qc6 14. Nf3
a5 15. Nd4 *
Position (FEN): r1b1k2r/3n1ppp/1pq1p3/p1n5/1B1N4/Q3P3/PP3PPP/3RKB1R b Kkq - 1 15
Black to move.
Themes:  Opening  
Puzzle rating: 1327
Best move: axb4