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EGTB: win in 18 half-moves

# move score
1 Rg7 win in 17 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Rc7 draw
6 Re7 draw
7 Kb4 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kh3 loss in 2 half-moves
21 Kh4 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb7 loss in 2 half-moves
28 Rd7 loss in 2 half-moves
29 Rf7 loss in 2 half-moves
30 Rh7 loss in 2 half-moves