Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Caro-Kann_Defensive_System
Moves: 1. c4 c6 2. Nc3 d6 3. d3 h6 4. g3 g5 5. Bg2 Bg4 6. Nf3 Nd7 7. O-O Bg7 8. Rb1
Nf8 9. Re1 f6 10. Qb3 Qc8 11. d4 Rb8 12. d5 h5 13. Bxg5 Bxf3 *
Position (FEN): 1rq1knnr/pp2p1b1/2pp1p2/3P2Bp/2P5/1QN2bP1/PP2PPBP/1R2R1K1 w k - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 2118
Best move: exf3