Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 a6 4. c4 c6 5. Nc3 Bf5 6. Qb3 b5 7. cxd5 cxd5 8. Be2
e6 9. Nf3 Be7 10. O-O Nbd7 11. Rfe1 O-O 12. Nh4 Bg4 13. f3 Bh5 14. g4 Bg6 15.
Nxg6 fxg6 16. Bd3 Rc8 17. e4 Nxe4 18. Nxe4 *
Position (FEN): 2rq1rk1/3nb1pp/p3p1p1/1p1p4/3PNBP1/1Q1B1P2/PP5P/R3R1K1 b - - 0 18
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1821
Best move: Rxf4