8
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2
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1
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Click on the third or sixth rank to set the en passant target square.

EGTB: win in 40 half-moves

# move score
1 Kb6 win in 39 half-moves
2 Kb7 win in 41 half-moves
3 Rd1 win in 41 half-moves
4 Rd2 win in 41 half-moves
5 Rd3 win in 41 half-moves
6 Ka6 win in 43 half-moves
7 Kc5 win in 43 half-moves
8 Rd5 win in 45 half-moves
9 Kb5 win in 47 half-moves
10 Kb4 win in 49 half-moves
11 Ka8 draw
12 Kb3 draw
13 Kb8 draw
14 Kc3 draw
15 Kd3 draw
16 Rh4 draw
17 Kd5 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves