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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Kf5 draw
3 Kf7 draw
4 Kfg5 draw
5 Kg3 draw
6 Kg4 draw
7 Kg6 draw
8 Kg7 draw
9 Kh3 draw
10 Kh5 draw
11 Khg5 draw
12 Ra8 draw
13 Re8 draw
14 Rf8 draw
15 Rg1 draw
16 Rg2 draw
17 Rg4 draw
18 Rh8 draw
19 Rg6 loss in 4 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rg7 loss in 2 half-moves