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EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Ra1 draw
3 Rg6 draw
4 Kc7 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kdd7 loss in 2 half-moves
7 Kde7 loss in 2 half-moves
8 Ked7 loss in 2 half-moves
9 Kee7 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh1 loss in 2 half-moves