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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 K8h7 draw
3 Kh5 draw
4 Rb3 draw
5 Rg1 draw
6 Rg2 draw
7 Rg4 draw
8 Rh3 draw
9 K6g7 loss in 2 half-moves
10 K6h7 loss in 2 half-moves
11 K8g7 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves