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EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Kg8 draw
3 Kh8 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rb8 draw
8 Rc3 draw
9 Rd3 draw
10 Re3 draw
11 Rg3 draw
12 Rh3 draw
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Kg7 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rb7 loss in 2 half-moves