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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ke7 draw
3 Ke8 draw
4 Kf8 draw
5 Kg3 draw
6 Kg4 draw
7 Kg5 draw
8 Kg6 draw
9 Kg7 draw
10 Kg8 draw
11 Kh3 draw
12 Kh5 draw
13 Rb2 draw
14 Re2 draw
15 Rf2 draw
16 Rg1 draw
17 Rg6 draw
18 Rg7 draw
19 Rh2 draw
20 Ke6 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rd2 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