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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ke6 draw
3 Kf6 draw
4 Kg6 draw
5 Ra3 draw
6 Rb3 draw
7 Rd3 draw
8 Rg1 draw
9 Rg2 draw
10 Rg6 draw
11 Rg8 draw
12 Ka7 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh3 loss in 2 half-moves