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EGTB: win in 12 half-moves

# move score
1 Rb6 win in 11 half-moves
2 Kc1 draw
3 Kd1 draw
4 Ke1 draw
5 Rb2 draw
6 Rb8 draw
7 Rg1 draw
8 Rh1 draw
9 Kc2 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rc1 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Re1 loss in 2 half-moves
30 Rf1 loss in 2 half-moves