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EGTB: win in 12 half-moves

# move score
1 Ra4 win in 11 half-moves
2 Rb4 draw
3 Rc4 draw
4 Rd7 draw
5 Rd8 draw
6 Rh4 draw
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves