Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Mason_Variation
Moves: 1. d4 d5 2. Bf4 c6 3. Nf3 Bf5 4. e3 e6 5. Bd3 Bg4 6. h3 Bh5 7. Nbd2 Nf6 8. c4
Nbd7 9. cxd5 exd5 10. Qb3 b6 11. O-O Be7 12. Rfe1 O-O 13. e4 dxe4 14. Bxe4 Nxe4
15. Nxe4 Bxf3 16. Qxf3 Nf6 17. Nxf6+ Bxf6 18. Qxc6 Qxd4 19. Re4 Qxe4 *
Position (FEN): r4rk1/p4ppp/1pQ2b2/8/4qB2/7P/PP3PP1/R5K1 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 917
Best move: Qxe4