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 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kbb2 draw
5 Kbc2 draw
6 Kcb2 draw
7 Kcc2 draw
8 Kd1 draw
9 Kd2 draw
10 Ra7 draw
11 Rb3 draw
12 Rb8 draw
13 Rc7 draw
14 Rg7 draw
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves