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EGTB: win in 12 half-moves

# move score
1 Rg4 win in 11 half-moves
2 Rb1 draw
3 Rg2 draw
4 Rg5 draw
5 Kc3 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kdd5 loss in 2 half-moves
11 Kde4 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ked5 loss in 2 half-moves
15 Kee4 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh1 loss in 2 half-moves