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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Ra2 draw
3 Rb2 draw
4 Rg3 draw
5 Rg5 draw
6 Kb6 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kcc6 loss in 2 half-moves
13 Kcd6 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Kdc6 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rd2 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh2 loss in 2 half-moves