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EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Ra5 draw
11 Rg4 draw
12 Rg6 draw
13 Rg7 draw
14 Rh5 draw
15 Rb5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves