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EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Ra8 draw
6 Rd2 draw
7 Rd3 draw
8 Rd4 draw
9 Rd5 draw
10 Re8 draw
11 Rf8 draw
12 Rh8 draw
13 Kg2 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Kh6 loss in 2 half-moves
21 Kh7 loss in 2 half-moves
22 Kh8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Rd6 loss in 2 half-moves
27 Rd7 loss in 2 half-moves