Chess puzzle (Advantage)
Opening: Benoni_Defense, Benoni_Defense_Uhlmann_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5 Bg7 8. h3
O-O 9. e3 Nbd7 10. Be2 Re8 11. O-O b6 12. a4 Bb7 13. Bb5 a6 14. Bxd7 Qxd7 15.
Qd3 Rac8 16. Nd2 Re5 17. Bf4 Rf5 18. g4 Rxf4 *
Position (FEN): 2r3k1/1b1q1pbp/pp1p1np1/2pP4/P4rP1/2NQP2P/1P1N1P2/R4RK1 w - - 0 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 950
Best move: exf4