Chess puzzle (Advantage)
Opening: Bishops_Opening, Bishops_Opening_Boi_Variation
Moves: 1. e4 e5 2. Bc4 Bc5 3. Nc3 Nf6 4. h3 c6 5. Nf3 Qc7 6. d3 h6 7. a3 O-O 8. O-O d6
9. Ne2 d5 10. exd5 cxd5 11. Ba2 Nc6 12. Ng3 e4 13. d4 exf3 14. dxc5 fxg2 15.
Re1 Bxh3 16. Qd3 Qa5 17. b4 Nxb4 *
Position (FEN): r4rk1/pp3pp1/5n1p/q1Pp4/1n6/P2Q2Nb/B1P2Pp1/R1B1R1K1 w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1342
Best move: axb4