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EGTB: win in 12 half-moves

# move score
1 Ra7 win in 11 half-moves
2 Ra1 draw
3 Ra5 draw
4 Ra6 draw
5 Ra8 draw
6 Re2 draw
7 Rf2 draw
8 Rg2 draw
9 Rh2 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Kf6 loss in 2 half-moves
22 Kf8 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Kg7 loss in 2 half-moves
25 Kg8 loss in 2 half-moves
26 Ra3 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Rb2 loss in 2 half-moves
29 Rc2 loss in 2 half-moves
30 Rd2 loss in 2 half-moves