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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Ra2 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Rd8 draw
7 Re8 draw
8 K6f7 loss in 2 half-moves
9 K6g7 loss in 2 half-moves
10 K6h7 loss in 2 half-moves
11 K8f7 loss in 2 half-moves
12 K8g7 loss in 2 half-moves
13 K8h7 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Kh8 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves