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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kd5 draw
3 Ke5 draw
4 Kf5 draw
5 Rb3 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 Rg7 draw
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh3 loss in 2 half-moves