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EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kd7 draw
3 Ke7 draw
4 Kf7 draw
5 Rf2 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Kf5 loss in 8 half-moves
11 Kf6 loss in 6 half-moves
12 Re8 loss in 6 half-moves
13 Ra8 loss in 4 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Nb1 loss in 2 half-moves
18 Nb5 loss in 2 half-moves
19 Nc2 loss in 2 half-moves
20 Nc4 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves