Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. e3 a6 5. Bd3 Nbd7 6. Nbd2 e6 7. c3 Be7 8. h4
b6 9. Ne5 Nxe5 10. dxe5 Nd7 11. g3 h6 12. Nf3 Rg8 13. g4 Bb7 14. g5 hxg5 15.
hxg5 Qc7 16. Qe2 a5 17. a4 O-O-O 18. Qd2 Nc5 19. Bc2 Ba6 20. Nd4 Kb7 21. b4
axb4 *
Position (FEN): 3r2r1/1kq1bpp1/bpp1p3/2npP1P1/Pp1N1B2/2P1P3/2BQ1P2/R3K2R w KQ - 0 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1301
Best move: cxb4