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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Rb3 draw
3 Rg1 draw
4 Rg8 draw
5 Ke6 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kf8 loss in 2 half-moves
10 Kfg6 loss in 2 half-moves
11 Kfg7 loss in 2 half-moves
12 Kfg8 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Kh8 loss in 2 half-moves
15 Khg6 loss in 2 half-moves
16 Khg7 loss in 2 half-moves
17 Khg8 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh3 loss in 2 half-moves