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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kgg8 draw
5 Kgh7 draw
6 Kh6 draw
7 Khg8 draw
8 Khh7 draw
9 Ra2 draw
10 Rb1 draw
11 Rb6 draw
12 Rb7 draw
13 Rc2 draw
14 Rg2 draw
15 Rh2 draw
16 Kf6 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves