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EGTB: win in 20 half-moves

# move score
1 Kb7 win in 19 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kh4 draw
7 Kh6 draw
8 Ra8 draw
9 Rb8 draw
10 Rh6 draw
11 Rh7 draw
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves