Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Classical_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Nc3 Nxc3 7. bxc3 Bd6 8.
Bd3 O-O 9. O-O Bg4 10. Be2 Nd7 11. h3 Bf5 12. Re1 Be4 13. Bd3 Re8 14. Bxe4 Rxe4
15. Rxe4 dxe4 16. Qe2 *
Position (FEN): r2q2k1/pppn1ppp/3b4/8/3Pp3/2P2N1P/P1P1QPP1/R1B3K1 b - - 1 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1248
Best move: exf3