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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc8 draw
5 Kcc7 draw
6 Kd8 draw
7 Kdc7 draw
8 Ke7 draw
9 Ke8 draw
10 Ra2 draw
11 Rh1 draw
12 Rh6 draw
13 Rh7 draw
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd2 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves