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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 Ra2 draw
13 Re2 draw
14 Rf2 draw
15 Rg1 draw
16 Rg3 draw
17 Rg7 draw
18 Rh2 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 Rb2 loss in 2 half-moves
24 Rc2 loss in 2 half-moves
25 Rd2 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg6 loss in 2 half-moves