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

Book: 54 / 291

# move proof disproof
1 Ng4 164 54
2 Nf7 24 54
3 c6 22 54
4 Rg8 21 54
5 Ng8 21 54
6 a6 19 54
7 g5 3 54
8 a5 1 54
9 Ke6 1 54
10 Ke8 1 54
11 Kc6 1 54
12 Ba6 1 54
13 f5 1 54
14 e6 1 54
15 c5 1 54
16 e5 1 54
17 Na6 1 54
18 Nc6 1 54
19 Nf5 1 55
20 Kd6 2 75
21 Qe8 1 75
22 g6 1 75
23 Bb7 1 79