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EGTB: win in 12 half-moves

# move score
1 Rb8 win in 11 half-moves
2 Kf8 draw
3 Kg3 draw
4 Kg5 draw
5 Kg6 draw
6 Kg8 draw
7 Kh3 draw
8 Kh4 draw
9 Kh5 draw
10 Kh6 draw
11 Kh7 draw
12 Kh8 draw
13 Ra7 draw
14 Rb1 draw
15 Kf3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves
28 Rf7 loss in 2 half-moves