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EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 K5b6 draw
3 K5c6 draw
4 K5d6 draw
5 K7b6 draw
6 K7c6 draw
7 K7d6 draw
8 Kb5 draw
9 Kb7 draw
10 Kb8 draw
11 Kc8 draw
12 Kd4 draw
13 Kd5 draw
14 Kd7 draw
15 Kd8 draw
16 Ra4 draw
17 Ra5 draw
18 Ra6 draw
19 Ra7 draw
20 Re3 draw
21 Kb4 loss in 2 half-moves
22 Kc4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves