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EGTB: win in 20 half-moves

# move score
1 Rg6 win in 19 half-moves
2 Kb7 draw
3 Ra8 draw
4 Rg2 draw
5 Rg4 draw
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg5 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves