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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 Ra3 draw
5 Rb3 draw
6 Rc3 draw
7 Rg1 draw
8 Rg2 draw
9 Rg6 draw
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh3 loss in 2 half-moves