Click on the third or sixth rank to set the en passant target square.

Book: 70 / 167

# move proof disproof
1 Nb5 23 70
2 Nd5 15 70
3 Ng5 9 70
4 Ke2 7 70
5 a3 6 70
6 Nd1 6 70
7 f4 5 70
8 Nf4 3 70
9 d4 1 70
10 Na4 1 70
11 Ne2 6 71
12 g3 6 71
13 Nb1 6 71
14 b3 5 71
15 Rb1 5 71
16 a4 5 71
17 d3 5 71
18 b4 1 71
19 Kd1 7 73
20 Rh1 5 73
21 f3 4 73
22 e4 1 74
23 g4 1 74
24 Kf1 5 75
25 Ne4 4 78
26 Ng1 25 90