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EGTB: win in 20 half-moves

# move score
1 Rb8 win in 19 half-moves
2 Kd5 draw
3 Ra8 draw
4 Rd7 draw
5 Rf8 draw
6 Rg8 draw
7 Rh8 draw
8 Kc5 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Kc7 loss in 1 half-moves
23 Kd7 loss in 1 half-moves
24 Ke7 loss in 1 half-moves