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EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Ra8 draw
6 Rb8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rg1 draw
11 Rg2 draw
12 Rg3 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd2 loss in 2 half-moves
23 Rg4 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