Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3
Nf5 9. Nc2 Be7 10. b3 f6 11. g4 Nh6 12. g5 fxg5 13. Nxg5 O-O 14. Bd3 Nf5 15.
Qh5 Bxg5 16. Bxg5 Ncxd4 17. Rg1 Nxc2+ 18. Bxc2 g6 *
Position (FEN): r1b2rk1/pp5p/1q2p1p1/3pPnBQ/8/1P6/P1B2P1P/R3K1R1 w Q - 0 19
White to move.
Themes: Defensive Move, Pin Middlegame  
Puzzle rating: 1967
Best move: Bf6