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EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Kh1 draw
3 Kh2 draw
4 Ra1 draw
5 Ra2 draw
6 Ra8 draw
7 Rd3 draw
8 Re3 draw
9 Rf3 draw
10 Rh3 draw
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg2 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rb3 loss in 2 half-moves
27 Rc3 loss in 2 half-moves