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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 g5 draw
3 Ra5 draw
4 Ra7 draw
5 Rd8 draw
6 Rf8 draw
7 Nb1 loss in 2 half-moves
8 Nb5 loss in 2 half-moves
9 Nc2 loss in 2 half-moves
10 Nc4 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves