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EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Kaa7 draw
3 Kab7 draw
4 Kba7 draw
5 Kbb7 draw
6 Ra1 draw
7 Rb1 draw
8 Rc1 draw
9 Rg2 draw
10 Rg3 draw
11 Rg4 draw
12 Rh1 draw
13 Kc7 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves