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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Ra1 draw
3 Ra3 draw
4 Ra4 draw
5 Ra5 draw
6 Rd8 draw
7 Re8 draw
8 Rg8 draw
9 Kf6 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kgg8 loss in 2 half-moves
14 Kgh7 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Khg8 loss in 2 half-moves
17 Khh7 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves