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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 K7g7 draw
3 K7g8 draw
4 K8g7 draw
5 K8g8 draw
6 Ra5 draw
7 Rb1 draw
8 Rb6 draw
9 Rb7 draw
10 Rc5 draw
11 Rd5 draw
12 Re5 draw
13 Rf5 draw
14 Kg6 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves