Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Knight_Variation
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Bb5+ c6 5. Bd3 Bd6 6. Nc3 Be6 7. Qe2 Nf6 8.
Ne5 O-O 9. O-O Nbd7 10. Nxd7 Qxd7 11. Qe1 Rae8 12. Be2 Ng4 13. d4 Bxh2+ 14. Kh1
Qd6 15. g3 Nxf2+ 16. Qxf2 Bxg3 17. Qg2 f5 18. Rf3 *
Position (FEN): 4rrk1/pp4pp/2pqb3/3p1p2/3P4/2N2Rb1/PPP1B1Q1/R1B4K b - - 1 18
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1409
Best move: f4