Chess is a scientific game and its literature ought to be placed on the basis of the strictest truthfulness, which is the foundation of all scientific research. — W. Steinitz

A02-A03

**A02**
1.f4	Bird:
1…Nf6 2.b4	Bird: Polish
1…Nf6 2.b4 g6 3.Nf3	Bird: Polish (Batavo)
1…Nh6	Bird: Horsefly
1…g5	Bird: Hobbs
1…f5 2.e4	Bird: Wagner
1…f5 2.e4 fxe4 3.Nc3 Nf6 4.g4	Bird: Wagner (Swiss)
1…e5	Bird: From
1…e5 2.fxe5 Nc6	Bird: From (Schlechter)
1…e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 Nh6 5.d4	Bird: From (Lipke)
1…e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 g5	Bird: From (Lasker)

**A03**
1.f4 d5	Bird: Dutch
2.e3 Nf6 3.Nf3 c5	Bird: Dutch (Lasker)
2.e3 Nf6 3.Nf3 Bg4	Bird: Dutch (Schlechter)
2.c4	Bird: Dutch (Mujannah)
2.d4	Bird: Dutch (Canard)
2.d4 f5	Bird: Dutch (Double Duck)
2.e4	Bird: Williams
2.e4 dxe4 3.d3	Bird: Williams (Prokofiev)