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EGTB: win in 18 half-moves

# move score
1 Rg8 win in 17 half-moves
2 Ke4 draw
3 Kf4 draw
4 Kg4 draw
5 Rg4 draw
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh3 loss in 2 half-moves