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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kg4 draw
3 Kg5 draw
4 Kgg6 draw
5 Kgh6 draw
6 Kh4 draw
7 Khg6 draw
8 Khh6 draw
9 Ra2 draw
10 Rf1 draw
11 Rf3 draw
12 Rf5 draw
13 Rf6 draw
14 Rg2 draw
15 Rh2 draw
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Kh8 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rd2 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Kf6 loss in 1 half-moves