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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kd5 draw
3 Ke5 draw
4 Kf5 draw
5 Rb1 draw
6 Rc1 draw
7 Rd1 draw
8 Rg5 draw
9 Rg7 draw
10 Rg8 draw
11 Rh1 draw
12 Ka7 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves