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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kef2 draw
8 Kef3 draw
9 Kf1 draw
10 Kg2 draw
11 Kg4 draw
12 Kgf2 draw
13 Kgf3 draw
14 Kh2 draw
15 Kh3 draw
16 Kh4 draw
17 Rb8 draw
18 Rf8 draw
19 Rh8 draw
20 Kf4 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rg5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rg7 loss in 2 half-moves