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EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 K4h5 draw
3 K6h5 draw
4 Kh3 draw
5 Kh7 draw
6 Ra8 draw
7 Rb8 draw
8 Rf8 draw
9 K4g5 loss in 2 half-moves
10 K6g5 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rh7 loss in 2 half-moves