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EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Ra2 draw
3 Rb2 draw
4 Rc2 draw
5 Rd2 draw
6 Rf3 draw
7 Rf4 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 K6c7 loss in 2 half-moves
12 K6d7 loss in 2 half-moves
13 K6e7 loss in 2 half-moves
14 K8c7 loss in 2 half-moves
15 K8d7 loss in 2 half-moves
16 K8e7 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ke6 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves