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EGTB: win in 12 half-moves

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