Chess puzzle (Advantage)
Moves: 1. c4 d6 2. Nc3 Nc6 3. e3 e5 4. a3 f5 5. Qc2 Nf6 6. b3 Be7 7. Bb2 O-O 8. h3 Bd7
9. Be2 h6 10. f3 Be6 11. g4 fxg4 12. hxg4 d5 13. cxd5 Bxd5 14. Nxd5 Nxd5 15.
Bc4 Kh8 16. O-O-O Na5 17. Bd3 Rc8 18. Ne2 c5 19. Kb1 c4 20. bxc4 Nxc4 *
Position (FEN): 2rq1r1k/pp2b1p1/7p/3np3/2n3P1/P2BPP2/1BQPN3/1K1R3R w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1372
Best move: Bxc4