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EGTB: win in 12 half-moves

# move score
1 Kb1 win in 11 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Ra6 draw
9 Ka6 loss in 6 half-moves
10 Ka8 loss in 6 half-moves
11 Rb1 loss in 4 half-moves
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ra2 loss in 2 half-moves