Bird's Opening

1.f4c52.Nf3g63.g3Bg74.Bg2Nc65.O-Od6

5...e56.fxe5Nxe57.Nxe5Bxe58.c3Ne79.d4cxd410.cxd4Bg7
10...Qb611.e3Bg712.Nc3+/=
11.Nc3O-O12.Bg5
12.e4!?d513.e5
h613.Bxe7Qxe714.Nd5+/=

6.d3e57.fxe5!

7.e4exf4
7...Nge78.f5
8.Bxf4Bxb29.Nbd2Be5!10.Nxe5dxe511.Be3b612.Qf3f613.Nb1Kf714.Nc3Be6

dxe5

7...Nxe58.Nxe5Bxe5
8...dxe59.Be3Qc710.Nc3Rb811.Nd5Qd612.c4Bd713.b4b614.bxc5bxc515.Qd2+-
9.c4Ne710.Nc3+/=

8.Be3Nd4

8...e4!?9.Ng5Nf610.c3exd311.Bxc5↑

8...b6?9.Nxe5!

8...Qe79.Nc3Nf610.Bg5

9.c3Ne6

9...Nxf3+10.Bxf3Qd611.Qa4+Bd712.Qa3

10.Nbd2Ne711.Ne4Nf512.Bf2Qc713.b4! Ncxb414.Qa4+Bd715.Qxb4±