8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
Click on the third or sixth rank to set the en passant target square.

Book: 1 / 1739

# move proof disproof
1 g4 1295 1
2 b5 405 4
3 h5 19 4
4 a6 3 26
5 Na6 1 26
6 Bg7 1 28
7 Bh6 1 28
8 Nh6 1 28
9 Nf6 1 28
10 Nc6 1 28
11 f5 1 28
12 e5 1 28
13 d5 1 28
14 c5 1 28
15 a5 1 28
16 h6 1 28
17 f6 1 28
18 e6 1 28
19 d6 1 28
20 c6 1 28
21 b6 1 28