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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Rb8 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rg4 draw
7 Ke3 loss in 2 half-moves
8 Ke4 loss in 2 half-moves
9 Ke5 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kff3 loss in 2 half-moves
13 Kfg4 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kgf3 loss in 2 half-moves
17 Kgg4 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Kh3 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves