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EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rg8 win in 5 half-moves
3 K7b8 draw
4 K8b8 draw
5 Ka6 draw
6 Ra1 draw
7 Rf1 draw
8 Rg2 draw
9 Rg3 draw
10 Rg7 draw
11 Rh1 draw
12 K7b7 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves