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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rc6 draw
3 Rd6 draw
4 Re6 draw
5 Rf6 draw
6 Rg5 draw
7 Ke1 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Kf3 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kff2 loss in 2 half-moves
12 Kfg2 loss in 2 half-moves
13 Kg1 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kgf2 loss in 2 half-moves
16 Kgg2 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh6 loss in 2 half-moves