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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Ke4 draw
3 Ke5 draw
4 Kff5 draw
5 Kfg4 draw
6 Kg6 draw
7 Kgg4 draw
8 Ra8 draw
9 Rf8 draw
10 Rg7 draw
11 Ke3 loss in 2 half-moves
12 Kf3 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kgf5 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Kh6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves