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EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Re8 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Kef1 loss in 2 half-moves
14 Kef2 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kgf1 loss in 2 half-moves
17 Kgf2 loss in 2 half-moves
18 Kh1 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves