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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg8 win in 13 half-moves
3 Ka5 draw
4 Kb5 draw
5 Rd3 draw
6 Re3 draw
7 Rf3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg7 draw
11 Rh3 draw
12 Ka7 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves