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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kh5 draw
3 Kh6 draw
4 Kh7 draw
5 Ra1 draw
6 Ra5 draw
7 Ra6 draw
8 Ra7 draw
9 Rd8 draw
10 Re8 draw
11 Rg8 draw
12 Rh8 draw
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Kg5 loss in 2 half-moves
25 Kg7 loss in 2 half-moves
26 Ra2 loss in 2 half-moves
27 Ra3 loss in 2 half-moves
28 Ra4 loss in 2 half-moves
29 Rb8 loss in 2 half-moves
30 Rc8 loss in 2 half-moves