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EGTB: win in 20 half-moves

# move score
1 Rh8 win in 19 half-moves
2 Kf6 draw
3 Kg6 draw
4 Kh6 draw
5 Ra1 draw
6 Rb1 draw
7 Rh5 draw
8 Rh6 draw
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh7 loss in 2 half-moves