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EGTB: win in 12 half-moves

# move score
1 Ra8 win in 11 half-moves
2 Rd8 win in 11 half-moves
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Kc6 draw
7 Kc8 draw
8 Ra1 draw
9 Ra3 draw
10 Ra4 draw
11 Ra7 draw
12 Rab2 draw
13 Rac2 draw
14 Rd1 draw
15 Rd3 draw
16 Rd4 draw
17 Rdb2 draw
18 Rdc2 draw
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re2 loss in 2 half-moves
28 Rf2 loss in 2 half-moves
29 Rg2 loss in 2 half-moves
30 Rh2 loss in 2 half-moves