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EGTB: win in 20 half-moves

# move score
1 Kb7 win in 19 half-moves
2 Rf7 draw
3 Rg7 draw
4 Rh7 draw
5 Ka5 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves