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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Rb4 draw
3 Rb6 draw
4 Rf1 draw
5 Rg1 draw
6 Rh1 draw
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kde7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kfe7 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves