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EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Kg3 draw
3 Kh3 draw
4 Ra8 draw
5 Rb8 draw
6 Rf8 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg5 draw
11 Ka1 loss in 2 half-moves
12 Ka2 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kh1 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves