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EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Ra7 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rg5 draw
7 Rg6 draw
8 Ke2 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Kff2 loss in 2 half-moves
12 Kff4 loss in 2 half-moves
13 Kfg2 loss in 2 half-moves
14 Kfg4 loss in 2 half-moves
15 Kgf2 loss in 2 half-moves
16 Kgf4 loss in 2 half-moves
17 Kgg2 loss in 2 half-moves
18 Kgg4 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Kh3 loss in 2 half-moves
21 Kh4 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh7 loss in 2 half-moves