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EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Ra6 draw
3 Rd2 draw
4 Rd3 draw
5 Rd4 draw
6 Rd5 draw
7 Re6 draw
8 Rg6 draw
9 Rh6 draw
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kfg6 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Kh6 loss in 2 half-moves
22 Khg6 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rc6 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Rd8 loss in 2 half-moves