Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nc6 3. a3 a6 4. e3 Bf5 5. Bd3 Bxd3 6. cxd3 h6 7. Nc3 e6 8. Nge2
Bd6 9. Bg3 g5 10. Qd2 f5 11. Bxd6 Qxd6 12. O-O-O Nf6 13. Ng3 h5 14. h4 g4 15.
Rhe1 O-O-O 16. e4 Na5 17. e5 Nb3+ 18. Kc2 Nxd4+ *
Position (FEN): 2kr3r/1pp5/p2qpn2/3pPp1p/3n2pP/P1NP2N1/1PKQ1PP1/3RR3 w - - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1254
Best move: Kb1