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EGTB: win in 4 half-moves

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