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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kf5 draw
3 Kf7 draw
4 Kfg7 draw
5 Kg5 draw
6 Kg6 draw
7 Kg8 draw
8 Kh7 draw
9 Khg7 draw
10 Ra3 draw
11 Re3 draw
12 Rf3 draw
13 Rg1 draw
14 Rg2 draw
15 Rg6 draw
16 Rg7 draw
17 Rh3 draw
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves