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EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Ra8 draw
3 Rd8 draw
4 Re8 draw
5 Rf8 draw
6 Kf2 loss in 2 half-moves
7 Kf3 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kgg4 loss in 2 half-moves
12 Kgh3 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Khg4 loss in 2 half-moves
16 Khh3 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves