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EGTB: win in 12 half-moves

# move score
1 Rb1 win in 11 half-moves
2 K6b7 draw
3 K6c7 draw
4 K6d7 draw
5 K8b7 draw
6 K8c7 draw
7 K8d7 draw
8 Kb5 draw
9 Kc5 draw
10 Kd6 draw
11 Kd8 draw
12 Ra1 draw
13 Rc1 draw
14 Rd1 draw
15 Rh5 draw
16 Rh6 draw
17 Rh7 draw
18 Rh8 draw
19 Kb6 loss in 2 half-moves
20 Kb8 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves