Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bd3 Nc6 4. a3 a6 5. O-O Bc5 6. b4 Ba7 7. Bb2 d6 8. Nc3
Bg4 9. Nd5 Nxd5 10. exd5 Ne7 11. h3 Bd7 12. a4 h6 13. b5 axb5 14. Bxb5 Nxd5 15.
Qe2 c6 16. Bc4 Nf4 17. Qe4 Qc8 18. Rfe1 Bf5 *
Position (FEN): r1q1k2r/bp3pp1/2pp3p/4pb2/P1B1Qn2/5N1P/1BPP1PP1/R3R1K1 w kq - 6 19
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1634
Best move: Qxf4