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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Ra6 draw
7 Rd8 draw
8 Re8 draw
9 Rh8 draw
10 Ke3 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kf1 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kg3 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh2 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc8 loss in 2 half-moves