Fritz-Ulvestad gambit

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[Annotator "Komodo 1288.00 64-bit"]

1.e4 e5 2.Nf3 $201 Nc6 $10 3.Bc4 Nf6 $201 4.Ng5 $10
    {+0.06 / +0.15}
    ( 4.d3 Bc5 5.Nc3 h6 6.O-O O-O 7.Nd5 Nxd5 8.Bxd5 d6 9.c3 Qf6 10.Be3 Bb6 11.a4 Be6 12.Qb3 Na5 13.Qc2 c6 14.Bxe6 Qxe6 15.Bxb6 axb6 16.b4 $10 )
4...d5 5.exd5 $201 b5 $14
    {+0.52 / +0.12}
    ( 5...Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Bd3 Nd5 9.Nf3 Bd6 10.O-O Nf4 11.Re1 Nxd3 12.cxd3 O-O 13.Nc3 f6 14.b3 Re8 15.Ne4 c5 16.Ba3 Nb7 17.Rc1 Be6 18.h3 Qc7 $10 )
6.Bf1 $201 Nd4 $6 $14
    {+0.85 / +0.31}
    ( 6...Qxd5 7.Nc3 Qc5 8.Bxb5 Be7 9.b4 Qb6 10.Qf3 Bd7 11.Bc4 O-O 12.Nxf7 Rxf7 13.b5 Rf8 14.bxc6 Bxc6 15.Qe2 Bxg2 16.Rg1 Bc6 17.Bxf7+ Rxf7 18.Rb1 Qd4 19.Qe3 Qd8 20.Qxa7 Nd7 21.Qa6 Bf3 22.Qe6 c6 $10 )
7.c3 Nxd5 $201 8.cxd4 $14
    {+0.81 / +0.86}
    ( )
8...Qxg5 9.Bxb5+ Kd8 10.Qf3 exd4 11.Bc6 Nf4 12.Bxa8 Bg4 $201 13.Qe4 $2 $17
    {-2.80 / -0.48}
    ( 13.Qc6 Nd3+ $10 )
13...Bd6 $201 14.O-O $6 $19
    {-3.74 / -2.78}
    ( 14.g3 Qb5 15.gxf4 Re8 16.d3 f5 17.a4 Qb4+ 18.Nd2 fxe4 19.Bxe4 Bxf4 20.Rg1 Bf5 21.f3 g6 22.Kd1 Be6 23.Rg2 Kd7 24.Re2 Bd6 25.Kc2 c6 26.Kb1 Kc7 27.Nf1 Bb3 28.Bg5 $17 )
14...Re8 $201 15.Qxh7 $2 $19
    {-6.66 / -3.90}
    ( 15.Qxf4 Qxf4 16.g3 Qf5 17.Na3 Bh3 18.Bg2 Bxg2 19.Kxg2 Re2 20.d3 Bxa3 21.bxa3 Qxd3 22.Kg1 c5 23.Bg5+ f6 24.Bf4 g5 25.Bd6 c4 26.Bc5 Qe4 27.Rab1 d3 28.Rb8+ Kd7 29.Rf8 Qc6 30.Bd4 Qd6 31.Rf7+ Ke8 $19 )
15...Bf5 16.h4 Nh3+ 17.Kh1 Qf4 18.g3 Nxf2+
    ( 18...Nxf2+ { 20:-327.47} 19.Kg1 Qxg3+ 20.Bg2 Nh3+ 21.Kh1 Qh2# )
*