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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc6 draw
8 Kc7 draw
9 Kd7 draw
10 Ke6 draw
11 Ke7 draw
12 Ra5 draw
13 Rb5 draw
14 Rf5 draw
15 Rg4 draw
16 Rg6 draw
17 Rg8 draw
18 Rh5 draw
19 Kc5 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg3 loss in 2 half-moves