2x2

1.c3-d4 a7-b6

[ 1...f8-e7 2.d4-e5! a7-b6 3.c1-d2 b6-a5 ( 3...b6-c5 4.e5-d6 ) 4.d2-c3 ]
[ 1...f8-g7 2.c1-d2 a7-b6 ( 2...g7-f6 3.d2-e3 a7-b6 4.e3-f4 ) 3.d2-e3 ]
2.c1-d2!
[ 2.d4-e5? f8-g7 3.e5-d6 ( 3.c1-b2 b6-c5 4.b2-a3 g7-h6 5.e5-f6 c5-d4= ) 3...g7-f6 4.c1-d2 f6-g5!= ]
2...f8-g7 3.d2-e3 g7-f6 4.e3-f4 b6-a5 5.d4-c5 2-0

created with Aurora Borealis 3.0