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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kh1 draw
3 Kh2 draw
4 Kh3 draw
5 Rc4 draw
6 Rc5 draw
7 Rc6 draw
8 Rc7 draw
9 Rd8 draw
10 Re8 draw
11 Rf8 draw
12 Rh8 draw
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Kf6 loss in 2 half-moves
21 Kg1 loss in 2 half-moves
22 Kg3 loss in 2 half-moves
23 Kg4 loss in 2 half-moves
24 Kg5 loss in 2 half-moves
25 Kg6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rb8 loss in 2 half-moves
28 Rc1 loss in 2 half-moves
29 Rc2 loss in 2 half-moves
30 Rc3 loss in 2 half-moves