Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 c5 5. c3 Nc6 6. Bd3 Bd6 7. Ne5 O-O 8. Nd2
Qc7 9. Ndf3 c4 10. Bc2 b5 11. h4 a5 12. g4 b4 13. g5 Ne4 14. Nxc6 Bxf4 15. exf4
Qxc6 16. Ne5 Qd6 17. Qh5 g6 18. Qg4 bxc3 19. Bxe4 dxe4 *
Position (FEN): r1b2rk1/5p1p/3qp1p1/p3N1P1/2pPpPQP/2p5/PP3P2/R3K2R w KQ - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 2065
Best move: bxc3