Coffee for Dessert

[Event “?”]
[Site “Chess.com iPhone”]
[Date “2024.08.12”]
[Round “?”]
[White “Guest6060614916”]
[Black “Guest5536773395”]
[Result “1-0”]
[FEN “rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq – 0 1”]
[WhiteElo “1600”]
[BlackElo “1600”]

1.e4 d5 2.exd5 Qxd5 3.Be2 Qe6 4.Nf3 Qg6 5.O-O h5 6.Ne5 Qg5 7.d4 Qf5 8.Nc3 8.h4 Nd5 9.Kd8 Bg4 10.Qxg4 Nxg4 11.Bxg4 Qxg4 12.h3 Bg5 13.c6 Nf4 14.Nf6 Bxf6 15.exf6 Rae1 16.Be7 d5 17.c5 Ne6+ 18.Kd7 Nf8+ 19.Ke8 Qc8# {1-0}

That was too easy; Was black even trying?! However the mating net is unique – Which tactics secured it?