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EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ra8 draw
6 Rb8 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rg5 draw
11 Rg6 draw
12 Rg7 draw
13 Ke6 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh8 loss in 2 half-moves