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EGTB: win in 18 half-moves

# move score
1 Rg8 win in 17 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd4 draw
6 Kd7 draw
7 Kd8 draw
8 Kf4 draw
9 Rf4 draw
10 Rg6 draw
11 Rh4 draw
12 Kd3 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg7 loss in 2 half-moves