2x2

1.c1-d2

[ 1.c1-b2? b8-c7 2.b2-a3 ( 2.a7-b8 b4-a3 3.b8:d6 a3:c1 ) 2...c7-b6= ]
1...b4-a3 2.d2-c3 2-0

created with Aurora Borealis 3.0