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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ka5 draw
3 Kb5 draw
4 Ke2 draw
5 Ke4 draw
6 Kf2 draw
7 Kf3 draw
8 Kf4 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rg3 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh8 draw
18 Ka3 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves