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EGTB: win in 12 half-moves

# move score
1 Rb1 win in 11 half-moves
2 Rc1 draw
3 Rd1 draw
4 Re1 draw
5 Rg5 draw
6 Rg6 draw
7 Rg7 draw
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 K6b7 loss in 1 half-moves
23 K6c7 loss in 1 half-moves
24 K6d7 loss in 1 half-moves
25 K8b7 loss in 1 half-moves
26 K8c7 loss in 1 half-moves
27 K8d7 loss in 1 half-moves