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 42 half-moves

# move score
1 Kb7 win in 41 half-moves
2 Kc7 win in 41 half-moves
3 Rb4 win in 43 half-moves
4 Rb5 win in 43 half-moves
5 Kb5 win in 45 half-moves
6 Rb3 win in 47 half-moves
7 Ra6 win in 49 half-moves
8 Rb1 win in 49 half-moves
9 Rb2 win in 49 half-moves
10 Rd6 win in 49 half-moves
11 Ka4 win in 51 half-moves
12 Ka6 win in 51 half-moves
13 Ka7 win in 51 half-moves
14 Kc8 win in 51 half-moves
15 Rc6 win in 55 half-moves
16 Ka8 win in 57 half-moves
17 Kb4 draw
18 Rh6 draw
19 Rb7 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves