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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Kg1 draw
3 Kh1 draw
4 Ra6 draw
5 Rb6 draw
6 Rc6 draw
7 Rg1 draw
8 Rg2 draw
9 Rg3 draw
10 Rg7 draw
11 Rg8 draw
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves