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EGTB: win in 12 half-moves

# move score
1 Ra7 win in 11 half-moves
2 Ke6 draw
3 Kf6 draw
4 Kg6 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Ra8 draw
9 Rb1 draw
10 Rc1 draw
11 Rd1 draw
12 Rh1 draw
13 Kb7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves