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

Book: 21 / 198

# move proof disproof
1 Nc3 1 21
2 Ng1 1 21
3 Ng5 81 22
4 Ke2 39 29
5 g4 15 29
6 Qh5 2 29
7 Qf3 2 29
8 Qe2 1 29
9 Qg4 38 37
10 a5 1 37
11 b3 1 39
12 c3 1 39
13 d3 1 39
14 f3 1 39
15 g3 1 39
16 e4 1 39
17 c4 1 39
18 f4 1 39
19 Na3 1 39
20 Nf4 1 39
21 Rf1 1 39
22 Rg1 1 39
23 Ra2 1 39
24 Ra3 1 39
25 Kf1 1 39
26 b4 1 43
27 d4 1 43