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EGTB: win in 18 half-moves

# move score
1 Rg8 win in 17 half-moves
2 Kg5 draw
3 Kh5 draw
4 Ra1 draw
5 Rb1 draw
6 Rc1 draw
7 Rf1 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Rg7 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc6 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 Kd8 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh1 loss in 2 half-moves