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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Kh1 draw
4 Kh2 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra6 draw
9 Rd8 draw
10 Re8 draw
11 Rh8 draw
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kf1 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 Kg2 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves