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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Rg3 draw
6 Rg4 draw
7 Rg5 draw
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves
25 K3b4 loss in 1 half-moves
26 K3c4 loss in 1 half-moves
27 K3d4 loss in 1 half-moves
28 K5b4 loss in 1 half-moves
29 K5c4 loss in 1 half-moves
30 K5d4 loss in 1 half-moves