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EGTB: win in 12 half-moves

# move score
1 Ra3 win in 11 half-moves
2 Kb8 draw
3 Kc8 draw
4 Kd8 draw
5 Ra1 draw
6 Ra7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Ra6 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc8 loss in 2 half-moves
29 Rd8 loss in 2 half-moves
30 Re8 loss in 2 half-moves