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: 46 / 242

# move proof disproof
1 b5 208 46
2 Bg7 11 46
3 a6 4 48
4 Na6 1 48
5 b6 2 50
6 c6 1 50
7 Bh6 1 52
8 Nc6 1 54
9 c5 1 54
10 a5 1 54
11 h6 1 54
12 d5 1 55
13 h5 1 55
14 d6 1 56
15 e6 1 56
16 e5 1 56
17 Nf6 1 56
18 f6 1 56
19 f5 1 56
20 Nh6 1 56
21 g4 1 59