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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kf4 draw
3 Kf6 draw
4 Kfg4 draw
5 Kg2 draw
6 Kg3 draw
7 Kg5 draw
8 Kg6 draw
9 Kh2 draw
10 Kh4 draw
11 Khg4 draw
12 Ra1 draw
13 Rf8 draw
14 Rh8 draw
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves