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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rf5 win in 9 half-moves
3 Ra8 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rg8 draw
8 Rh8 draw
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kcc6 loss in 2 half-moves
15 Kcd5 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kdc6 loss in 2 half-moves
19 Kdd5 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 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rf7 loss in 2 half-moves