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EGTB: win in 12 half-moves

# move score
1 Rb1 win in 11 half-moves
2 Rb2 win in 11 half-moves
3 Kf1 draw
4 Kf2 draw
5 Kg1 draw
6 Kg3 draw
7 Kg4 draw
8 Kg6 draw
9 Kh1 draw
10 Kh2 draw
11 Kh3 draw
12 Kh4 draw
13 Kh5 draw
14 Kh6 draw
15 Ra7 draw
16 Rb3 draw
17 Rb8 draw
18 Rg7 draw
19 Rh7 draw
20 Kf3 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Kf5 loss in 2 half-moves
23 Kf6 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc7 loss in 2 half-moves
28 Rd7 loss in 2 half-moves
29 Re7 loss in 2 half-moves
30 Rf7 loss in 2 half-moves