2x2
1.e3-d4
c3:e5
2.g1-e3
b8-c7
[
2...b8-a7
3.e3-c5
e5-f4
4.c5-f2
]
3.e3-a7
e5-f4
[
3...c7-d6
4.a7-e3
(
or
4.a7-b8
)
]
4.a7-b8
2-0
created with
Aurora Borealis 3.0