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EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Kf8 draw
3 Kgh7 draw
4 Khh7 draw
5 Ra3 draw
6 Rb1 draw
7 Rb2 draw
8 Rb8 draw
9 Rc3 draw
10 Rg3 draw
11 Rh3 draw
12 Kf7 loss in 2 half-moves
13 Kgg7 loss in 2 half-moves
14 Khg7 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves