Chess puzzle (Advantage)
Moves: 1. g4 e5 2. Bg2 Nc6 3. c4 Bc5 4. Nc3 d6 5. Qb3 Qf6 6. e3 Nge7 7. h4 Bb6 8. g5
Qf5 9. Ne4 Qg4 10. Bf3 Qe6 11. d3 Na5 12. Qc2 d5 13. cxd5 Nxd5 14. Bd2 Nc6 15.
a3 Bd7 16. O-O-O O-O-O 17. Kb1 f5 18. Nc5 Bxc5 19. Qxc5 Nb6 20. Bc3 a6 21. Bxc6
*
Position (FEN): 2kr3r/1ppb2pp/pnB1q3/2Q1ppP1/7P/P1BPP3/1P3P2/1K1R2NR b - - 0 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1300
Best move: Bxc6