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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kg5 draw
3 Kg6 draw
4 Kg7 draw
5 Kh5 draw
6 Kh7 draw
7 Ra8 draw
8 Rc8 draw
9 Re5 draw
10 Re6 draw
11 Re7 draw
12 Re4 loss in 4 half-moves
13 Rh8 loss in 4 half-moves
14 Rb8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Re3 loss in 1 half-moves