Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Exchange_Variation
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 e6 5. Nf3 Nc6 6. Bd3 Bd6 7. O-O Nge7 8.
h3 O-O 9. Bg5 f6 10. Bh4 Bd7 11. Re1 Rc8 12. a3 Bb8 13. Ne2 Ng6 14. Bg3 f5 15.
Bxb8 Rxb8 16. Ne5 Ncxe5 17. dxe5 Nxe5 18. b4 Qg5 *
Position (FEN): 1r3rk1/pp1b2pp/4p3/3pnpq1/1P6/P2B3P/2P1NPP1/R2QR1K1 w - - 1 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1479
Best move: f4