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: 24 / 420

# move proof disproof
1 Bg7 164 24
2 f5 51 24
3 b5 154 25
4 Na6 3 26
5 a6 12 27
6 Nf6 5 28
7 b6 4 28
8 c6 4 28
9 a5 4 28
10 c5 4 28
11 Nh6 4 28
12 Nc6 3 28
13 d6 1 28
14 e6 1 28
15 f6 1 28
16 h6 1 28
17 d5 1 28
18 e5 1 28
19 Bh6 1 28
20 h5 1 29