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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 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka7 draw
3 Kb8 draw
4 Ra7 draw
5 Rb2 draw
6 Rb4 draw
7 Rb8 draw
8 Rc7 loss in 12 half-moves
9 Rf7 loss in 12 half-moves
10 Re7 loss in 8 half-moves
11 Rb3 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Rg7 loss in 1 half-moves
16 Rh7 loss in 1 half-moves