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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Rh3 draw
6 Rh5 draw
7 Rh6 draw
8 Rh7 draw
9 Kb5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kcc5 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kcd5 loss in 2 half-moves
15 Kcd7 loss in 2 half-moves
16 Kdc5 loss in 2 half-moves
17 Kdc7 loss in 2 half-moves
18 Kdd5 loss in 2 half-moves
19 Kdd7 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves
28 Rh4 loss in 2 half-moves