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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Rf4 draw
7 Rf5 draw
8 Ke1 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kff1 loss in 2 half-moves
13 Kfg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kgf1 loss in 2 half-moves
16 Kgg2 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves