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EGTB: win in 12 half-moves

# move score
1 Ra7 win in 11 half-moves
2 Kg8 draw
3 Rd2 draw
4 Rg7 draw
5 Ka3 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kb3 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves
24 Kg7 loss in 1 half-moves