Chess puzzle (Advantage)
Opening: London_System, London_System_Other_variations
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 O-O 5. c4 d6 6. Nc3 Nbd7 7. Be2 Re8 8. O-O
b6 9. h3 Bb7 10. d5 c6 11. e4 cxd5 12. cxd5 Nc5 13. Nd2 a5 14. Bb5 Rf8 15. Re1
e6 16. Nc4 e5 17. Bxe5 *
Position (FEN): r2q1rk1/1b3pbp/1p1p1np1/pBnPB3/2N1P3/2N4P/PP3PP1/R2QR1K1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1200
Best move: dxe5