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EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Rg7 win in 13 half-moves
3 Ra2 draw
4 Rb2 draw
5 Rf2 draw
6 Rg3 draw
7 Rg4 draw
8 Rg5 draw
9 Rg6 draw
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves