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EGTB: win in 12 half-moves

# move score
1 Rb1 win in 11 half-moves
2 Ra1 draw
3 Rc1 draw
4 Rd1 draw
5 Re1 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Rf8 draw
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Ka7 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kc7 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd3 loss in 2 half-moves
25 Kd4 loss in 2 half-moves
26 Rf2 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rf4 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves