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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Ra4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Re4 draw
8 Rg4 draw
9 Rh4 draw
10 K2d2 loss in 2 half-moves
11 K2d3 loss in 2 half-moves
12 K2f2 loss in 2 half-moves
13 K2f3 loss in 2 half-moves
14 K3d2 loss in 2 half-moves
15 K3d3 loss in 2 half-moves
16 K3f2 loss in 2 half-moves
17 K3f3 loss in 2 half-moves
18 Kd1 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ke1 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Kf1 loss in 2 half-moves
23 Kf4 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rb3 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd4 loss in 2 half-moves