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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Rg4 draw
7 Rg5 draw
8 Rg6 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kff1 loss in 2 half-moves
13 Kff3 loss in 2 half-moves
14 Kfg1 loss in 2 half-moves
15 Kfg3 loss in 2 half-moves
16 Kgf1 loss in 2 half-moves
17 Kgf3 loss in 2 half-moves
18 Kgg1 loss in 2 half-moves
19 Kgg3 loss in 2 half-moves
20 Kh1 loss in 2 half-moves
21 Kh2 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh7 loss in 2 half-moves