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EGTB: win in 20 half-moves

# move score
1 Rb7 win in 19 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc5 draw
5 Kd5 draw
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Ra3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb8 draw
16 Rc3 draw
17 Rh3 draw
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves