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

Book: 13 / 992

# move proof disproof
1 Qf3 714 13
2 Qh5 135 23
3 a4 4 23
4 h4 2 23
5 a3 2 23
6 d3 1 23
7 f4 1 23
8 g4 1 23
9 h3 1 23
10 e4 1 23
11 d4 1 23
12 Qg4 99 24
13 Ba3 2 24
14 Nh3 8 25
15 Nf3 8 25
16 Qe2 1 38
17 c4 1 38
18 c3 1 39
19 f3 1 39
20 g3 1 39
21 Ne2 1 39
22 Kf1 1 39
23 Ke2 1 39
24 Nc3 1 39
25 Na3 1 39
26 Bb2 2 40