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EGTB: win in 12 half-moves

# move score
1 Rb1 win in 11 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kgg1 draw
5 Kgh2 draw
6 Kh3 draw
7 Khg1 draw
8 Khh2 draw
9 Ra7 draw
10 Rb2 draw
11 Rb3 draw
12 Rb8 draw
13 Rc7 draw
14 Rg7 draw
15 Rh7 draw
16 Kf3 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves