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EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Rf1 draw
7 Rf3 draw
8 Rf4 draw
9 K3b3 loss in 2 half-moves
10 K3b4 loss in 2 half-moves
11 K3d3 loss in 2 half-moves
12 K3d4 loss in 2 half-moves
13 K4b3 loss in 2 half-moves
14 K4b4 loss in 2 half-moves
15 K4d3 loss in 2 half-moves
16 K4d4 loss in 2 half-moves
17 Kb2 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves