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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd6 draw
6 Ke6 draw
7 Kf4 draw
8 Kf5 draw
9 Kf6 draw
10 Ra4 draw
11 Re4 draw
12 Rf4 draw
13 Rg5 draw
14 Rg6 draw
15 Rg7 draw
16 Rh4 draw
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves