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EGTB: win in 8 half-moves

# move score
1 Rg6 win in 7 half-moves
2 Rb4 draw
3 Rg7 draw
4 Rg8 draw
5 g3 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Rc4 loss in 2 half-moves
8 Rd4 loss in 2 half-moves
9 Re4 loss in 2 half-moves
10 Rf4 loss in 2 half-moves
11 Rg3 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rh4 loss in 2 half-moves