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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 Rh4 draw
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves
28 Re4 loss in 2 half-moves
29 Rf4 loss in 2 half-moves
30 Rg4 loss in 2 half-moves