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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kg6 draw
3 Kh6 draw
4 Rb2 draw
5 Rc2 draw
6 Rd2 draw
7 Rf2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rg7 draw
13 Ka7 loss in 2 half-moves
14 Ka8 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Kh8 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves