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EGTB: win in 12 half-moves

# move score
1 Rb1 win in 11 half-moves
2 Kf1 draw
3 Kg1 draw
4 Kg3 draw
5 Kg4 draw
6 Kg6 draw
7 Kh1 draw
8 Kh2 draw
9 Kh3 draw
10 Kh4 draw
11 Kh5 draw
12 Kh6 draw
13 Ra2 draw
14 Rb8 draw
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc2 loss in 2 half-moves
26 Rd2 loss in 2 half-moves
27 Re2 loss in 2 half-moves
28 Rf2 loss in 2 half-moves