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 K5b5 win in 39 half-moves
2 K6b5 win in 39 half-moves
3 Kb4 win in 39 half-moves
4 Kb7 win in 39 half-moves
5 Ka4 win in 41 half-moves
6 Ka7 win in 41 half-moves
7 Rb5 win in 41 half-moves
8 Rc6 win in 41 half-moves
9 Rb4 win in 43 half-moves
10 Rb3 win in 45 half-moves
11 Rb7 win in 45 half-moves
12 Rb8 win in 45 half-moves
13 Rd6 win in 45 half-moves
14 Re6 win in 45 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves