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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Ke6 draw
3 Ke7 draw
4 Kf7 draw
5 Kfg6 draw
6 Kfg7 draw
7 Kh5 draw
8 Kh7 draw
9 Khg6 draw
10 Khg7 draw
11 Ra1 draw
12 Rg6 draw
13 Rg8 draw
14 Rh1 draw
15 Ke5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kfg5 loss in 2 half-moves
18 Khg5 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves