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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Re8 draw
7 Rf8 draw
8 Rh8 draw
9 Kd2 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kee2 loss in 2 half-moves
13 Kee4 loss in 2 half-moves
14 Kef2 loss in 2 half-moves
15 Kef4 loss in 2 half-moves
16 Kfe2 loss in 2 half-moves
17 Kfe4 loss in 2 half-moves
18 Kff2 loss in 2 half-moves
19 Kff4 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rd8 loss in 2 half-moves