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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Kf4 draw
3 Kf6 draw
4 Kh5 draw
5 Khg4 draw
6 Khg5 draw
7 Rd8 draw
8 Rf7 draw
9 Rh8 draw
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kfg4 loss in 2 half-moves
14 Kfg5 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves