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EGTB: win in 12 half-moves

# move score
1 Ra4 win in 11 half-moves
2 Kb8 draw
3 Kc8 draw
4 Ra1 draw
5 Ra7 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 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 Rh8 loss in 2 half-moves