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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kd3 draw
3 Ke3 draw
4 Kf3 draw
5 Ra8 draw
6 Rb8 draw
7 Rc8 draw
8 Rf3 draw
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves