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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Ra6 draw
3 Rf1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf5 draw
7 Rg6 draw
8 Rh6 draw
9 K1c2 loss in 2 half-moves
10 K1d2 loss in 2 half-moves
11 K1e2 loss in 2 half-moves
12 K3c2 loss in 2 half-moves
13 K3d2 loss in 2 half-moves
14 K3e2 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves