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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kcc8 draw
6 Kcd8 draw
7 Kdc8 draw
8 Kdd8 draw
9 Ke7 draw
10 Ke8 draw
11 Ra2 draw
12 Rg1 draw
13 Rg7 draw
14 Rh2 draw
15 Kcc6 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kdc6 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rg6 loss in 2 half-moves