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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd7 draw
5 Kde6 draw
6 Kde7 draw
7 Kf5 draw
8 Kf7 draw
9 Kfe6 draw
10 Kfe7 draw
11 Kg5 draw
12 Kg6 draw
13 Kg7 draw
14 Ra1 draw
15 Ra6 draw
16 Ra7 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Rh8 draw
21 Kc5 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Kde5 loss in 2 half-moves
24 Kfe5 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Ra3 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Ra5 loss in 2 half-moves
29 Rb8 loss in 2 half-moves
30 Rc8 loss in 2 half-moves