8
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4
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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 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 K2b2 draw
4 K2b3 draw
5 K3b2 draw
6 K3b3 draw
7 Ka1 draw
8 Ka4 draw
9 Kb1 draw
10 Kb4 draw
11 Ra8 draw
12 Rb3 draw
13 Rb7 draw
14 Rc8 draw
15 Rg8 draw
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves