Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Mason_Variation
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 Nc6 4. Nf3 Bg4 5. c3 a6 6. Nbd2 h6 7. Bd3 Nh5 8. Bg3
Nxg3 9. hxg3 Bd7 10. Qb3 e6 11. O-O-O Na5 12. Qc2 Bc6 13. Kb1 Qd7 14. Ne5 Qe7
15. Nb3 Nxb3 16. Qxb3 Bb5 17. Bxb5+ axb5 18. Qxb5+ c6 19. Nxc6 *
Position (FEN): r3kb1r/1p2qpp1/2N1p2p/1Q1p4/3P4/2P1P1P1/PP3PP1/1K1R3R b kq - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1788
Best move: Qd7