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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Rg1 draw
7 Rg2 draw
8 Rg4 draw
9 Rg5 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kcc2 loss in 2 half-moves
14 Kcd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kdc2 loss in 2 half-moves
17 Kdd1 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves