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EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kg2 draw
3 Kh2 draw
4 Kh5 draw
5 Ra7 draw
6 Rb7 draw
7 Rf1 draw
8 Rf6 draw
9 Rf8 draw
10 Rh7 draw
11 K3g3 loss in 2 half-moves
12 K3g4 loss in 2 half-moves
13 K4g3 loss in 2 half-moves
14 K4g4 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves