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EGTB: win in 12 half-moves

# move score
1 Ra7 win in 11 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd5 draw
5 Ra5 draw
6 Ra6 draw
7 Rf3 draw
8 Rg3 draw
9 Rh3 draw
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb3 loss in 2 half-moves
28 Rc3 loss in 2 half-moves
29 Rd3 loss in 2 half-moves
30 Re3 loss in 2 half-moves