Chess puzzle (Equality)
Moves: 1. g4 e5 2. Bg2 c6 3. c4 Bc5 4. e3 Ne7 5. Nc3 O-O 6. g5 d5 7. cxd5 cxd5 8. d4
exd4 9. exd4 Bb4 10. h4 Re8 11. Ne2 Nbc6 12. Be3 Bg4 13. f3 Bf5 14. Kf2 Nc8 15.
Re1 Nd6 16. a3 Ba5 17. b4 Nxb4 *
Position (FEN): r2qr1k1/pp3ppp/3n4/b2p1bP1/1n1P3P/P1N1BP2/4NKB1/R2QR3 w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1574
Best move: axb4