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EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Ra5 draw
3 Rc5 draw
4 Rd5 draw
5 Re5 draw
6 Rf2 draw
7 Rf3 draw
8 Rf4 draw
9 Rf8 draw
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh2 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves