Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c4 c6 5. Nc3 Nbd7 6. c5 a5 7. a3 b6 8. b4 b5 9.
Bxb5 cxb5 10. Nxb5 e5 11. dxe5 Ba6 12. exf6 Bxb5 13. fxg7 *
Position (FEN): r2qkb1r/3n1pPp/8/pbPp4/1P3B2/P3P3/5PPP/R2QK1NR b KQkq - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1034
Best move: Bxg7