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EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ka2 draw
3 Kab2 draw
4 Kab3 draw
5 Kc2 draw
6 Kcb2 draw
7 Kd3 draw
8 Re8 draw
9 Rf1 draw
10 Rf2 draw
11 Rf3 draw
12 Rg8 draw
13 Rh8 draw
14 Ka4 loss in 2 half-moves
15 Kab4 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kcb3 loss in 2 half-moves
18 Kcb4 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rf7 loss in 2 half-moves