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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ra8 win in 7 half-moves
3 Ka2 draw
4 Ka4 draw
5 Kb4 draw
6 Kc4 draw
7 Kc5 draw
8 Kd5 draw
9 Ke4 draw
10 Ke5 draw
11 Rb8 draw
12 Rd8 draw
13 Rf8 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh8 draw
18 Kb2 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves