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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Rg2 draw
6 Rg3 draw
7 Rg4 draw
8 Rg7 draw
9 Rh8 draw
10 Ka1 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Kaa2 loss in 2 half-moves
13 Kab3 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kba2 loss in 2 half-moves
17 Kbb3 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rg6 loss in 2 half-moves