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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Re4 draw
6 Rf7 draw
7 Kg1 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh1 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Kh7 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rh7 loss in 2 half-moves