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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kf6 draw
3 Kf8 draw
4 Kfg6 draw
5 Kg4 draw
6 Kg5 draw
7 Kg7 draw
8 Kg8 draw
9 Kh4 draw
10 Kh6 draw
11 Khg6 draw
12 Ra1 draw
13 Re1 draw
14 Rf2 draw
15 Rf3 draw
16 Rf5 draw
17 Rg1 draw
18 Rh1 draw
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rf6 loss in 2 half-moves