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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Kd6 draw
4 Ke6 draw
5 Kf6 draw
6 Ra2 draw
7 Rb2 draw
8 Rg1 draw
9 Rg5 draw
10 Rg6 draw
11 Rh2 draw
12 Ka7 loss in 2 half-moves
13 Ka8 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Kd8 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kf8 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rd2 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves