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EGTB: win in 12 half-moves

# move score
1 Rb7 win in 11 half-moves
2 Ka2 draw
3 Kc2 draw
4 Rg4 draw
5 Ka3 loss in 2 half-moves
6 Ka4 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Kb2 loss in 1 half-moves