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EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Kf5 draw
3 Kg5 draw
4 Kh5 draw
5 Ra6 draw
6 Rg5 draw
7 Kc7 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh6 loss in 2 half-moves