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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 Rg3 draw
6 Rg4 draw
7 Rg5 draw
8 Kb1 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 K2b3 loss in 1 half-moves
26 K2c3 loss in 1 half-moves
27 K2d3 loss in 1 half-moves
28 K4b3 loss in 1 half-moves
29 K4c3 loss in 1 half-moves
30 K4d3 loss in 1 half-moves