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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Kh3 draw
3 Khg3 draw
4 Rg4 draw
5 Rg6 draw
6 Rg7 draw
7 Rg8 draw
8 Rh2 loss in 6 half-moves
9 Kg4 loss in 4 half-moves
10 Kg5 loss in 4 half-moves
11 Kh5 loss in 4 half-moves
12 Ke1 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kfg3 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg3 loss in 2 half-moves