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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Ra8 draw
4 Rc8 draw
5 Rd8 draw
6 Rf8 draw
7 Rg1 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kcc4 loss in 2 half-moves
17 Kcd5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kdc4 loss in 2 half-moves
21 Kdd5 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Ke5 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves