Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. Qc2
c6 9. h3 Qe7 10. b3 e4 11. Nh2 d5 12. f3 Bh6 13. f4 Bg7 14. a4 Re8 15. cxd5
Nxd5 16. Nxd5 cxd5 17. Ba3 Qe6 18. Rac1 f5 19. g4 Nf6 20. g5 Nd7 21. Qc7 Qb6
22. Bb5 Qe6 23. a5 a6 24. Ba4 Bf8 25. Bxf8 Rxf8 26. Rf2 b5 *
Position (FEN): r1b2rk1/2Qn3p/p3q1p1/Pp1p1pP1/B2PpP2/1P2P2P/5R1N/2R3K1 w - b6 0 27
White to move.
Themes:  Middlegame  En Passant
Puzzle rating: 1877
Best move: axb6