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EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Kd8 win in 15 half-moves
3 Kb8 draw
4 Ke4 draw
5 Ke6 draw
6 Kf4 draw
7 Kf5 draw
8 Kf6 draw
9 Re1 draw
10 Rf1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg5 draw
14 Rg7 draw
15 Rh1 draw
16 Kb7 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg6 loss in 2 half-moves