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EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Ra8 draw
4 Rb1 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Re8 draw
9 Rg8 draw
10 Kf2 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kg2 loss in 2 half-moves
17 Kg4 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kh2 loss in 2 half-moves
21 Kh3 loss in 2 half-moves
22 Kh4 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Kh6 loss in 2 half-moves
25 Kh7 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rb3 loss in 2 half-moves
28 Rb7 loss in 2 half-moves
29 Rc8 loss in 2 half-moves
30 Rd8 loss in 2 half-moves