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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kh5 draw
3 Rb2 draw
4 Rg5 draw
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Kg5 loss in 1 half-moves