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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Ra6 draw
3 Rb6 draw
4 Rc6 draw
5 Rd6 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 Kb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kcc1 loss in 2 half-moves
15 Kcd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kdc1 loss in 2 half-moves
18 Kdd2 loss in 2 half-moves
19 Ke1 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh6 loss in 2 half-moves