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

Book: 39 / 242

# move proof disproof
1 Qg4 65 39
2 g4 42 39
3 Qf3 5 39
4 a5 2 39
5 h3 2 39
6 c5 1 39
7 b3 1 39
8 d3 1 39
9 f3 1 39
10 g3 1 39
11 e4 1 39
12 f4 1 39
13 h4 1 39
14 Na3 1 39
15 Nc3 1 39
16 Nh3 1 39
17 Ra2 1 39
18 Ra3 1 39
19 Qe2 1 39
20 Kf1 1 39
21 Nf3 30 40
22 Ne2 27 40
23 Ke2 27 40
24 Qc2 1 43
25 b4 1 43
26 d4 1 43
27 Qb3 1 46
28 Qh5 23 48