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EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra4 draw
3 Ra6 draw
4 Ra7 draw
5 Ra8 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rf1 draw
10 Ke4 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kfg4 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Kh4 loss in 2 half-moves
22 Khg4 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves