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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Rb3 draw
3 Rb5 draw
4 Rb7 draw
5 Rg1 draw
6 K5c6 loss in 2 half-moves
7 K5d6 loss in 2 half-moves
8 K5e6 loss in 2 half-moves
9 K7c6 loss in 2 half-moves
10 K7d6 loss in 2 half-moves
11 K7e6 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rd1 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves