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EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb8 draw
6 Re6 draw
7 Rg6 draw
8 Rh6 draw
9 Ka7 loss in 2 half-moves
10 Kab7 loss in 2 half-moves
11 Kab8 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kcb7 loss in 2 half-moves
14 Kcb8 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves