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EGTB: win in 22 half-moves

# move score
1 Rb8 win in 21 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb6 draw
5 Rb7 draw
6 Rc3 draw
7 Re3 draw
8 Rf3 draw
9 Rg3 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves