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EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Ra2 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Re7 draw
7 Rg7 draw
8 Rh7 draw
9 K6d7 loss in 2 half-moves
10 K6e7 loss in 2 half-moves
11 K6f7 loss in 2 half-moves
12 K8d7 loss in 2 half-moves
13 K8e7 loss in 2 half-moves
14 K8f7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb7 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rd7 loss in 2 half-moves