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EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kg4 draw
3 Kg5 draw
4 Kg6 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rg4 draw
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves