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EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Ke7 draw
7 Kf5 draw
8 Kf7 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Ra2 draw
13 Re2 draw
14 Rf2 draw
15 Rg1 draw
16 Rg6 draw
17 Rg7 draw
18 Rh2 draw
19 Kb7 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves