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EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Ke6 draw
3 Kef4 draw
4 Kef5 draw
5 Kef6 draw
6 Kg6 draw
7 Kgf4 draw
8 Kgf5 draw
9 Kgf6 draw
10 Kh4 draw
11 Kh5 draw
12 Kh6 draw
13 Rc1 draw
14 Rc2 draw
15 Rc3 draw
16 Rc7 draw
17 Rd8 draw
18 Re8 draw
19 Rf8 draw
20 Rg8 draw
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Kg4 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc4 loss in 2 half-moves
29 Rc5 loss in 2 half-moves
30 Rc6 loss in 2 half-moves