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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 8 half-moves

# move score
1 Rd1 win in 7 half-moves
2 Rd2 draw
3 Rd3 draw
4 Rd7 draw
5 Rg4 draw
6 Rh4 draw
7 K2b2 loss in 2 half-moves
8 K2b3 loss in 2 half-moves
9 K3b2 loss in 2 half-moves
10 K3b3 loss in 2 half-moves
11 Ka1 loss in 2 half-moves
12 Ka4 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves