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EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Re8 draw
6 Rf8 draw
7 Rg1 draw
8 Rg2 draw
9 Rg4 draw
10 Ka5 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kab5 loss in 2 half-moves
13 Kab6 loss in 2 half-moves
14 Kab7 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kcb5 loss in 2 half-moves
18 Kcb6 loss in 2 half-moves
19 Kcb7 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves