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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ra2 draw
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg1 draw
8 Rg6 draw
9 Ke5 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kfg7 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Khg7 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh2 loss in 2 half-moves