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EGTB: win in 12 half-moves

# move score
1 Rg2 win in 11 half-moves
2 Ra3 draw
3 Rb3 draw
4 Rg1 draw
5 Rg6 draw
6 Rg8 draw
7 Kc1 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh3 loss in 2 half-moves