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EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ke5 draw
3 Kf5 draw
4 Kg5 draw
5 Ra5 draw
6 Ra6 draw
7 Ra8 draw
8 Rc1 draw
9 Rd1 draw
10 Re1 draw
11 Rh1 draw
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves