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EGTB: win in 6 half-moves

# move score
1 Rg4 win in 5 half-moves
2 Ra1 draw
3 Rb1 draw
4 Rg2 draw
5 Rg6 draw
6 Rh2 draw
7 Rh4 draw
8 Rh6 draw
9 Rf1 loss in 8 half-moves
10 Rc1 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Rh8 loss in 2 half-moves