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EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rd6 win in 5 half-moves
3 Kf6 draw
4 Kf7 draw
5 Kf8 draw
6 Ra1 draw
7 Ra7 draw
8 Ra8 draw
9 Re6 draw
10 Rf6 draw
11 Rh6 draw
12 Kg3 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Kh7 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc6 loss in 2 half-moves