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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kf4 draw
3 Kf6 draw
4 Kfg6 draw
5 Kg4 draw
6 Kg5 draw
7 Kg7 draw
8 Kg8 draw
9 Kh6 draw
10 Kh8 draw
11 Khg6 draw
12 Ra3 draw
13 Re3 draw
14 Rf3 draw
15 Rg1 draw
16 Rg2 draw
17 Rg7 draw
18 Rh3 draw
19 Rg5 loss in 4 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg6 loss in 2 half-moves