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EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kg5 draw
5 Kh5 draw
6 Ra3 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rb7 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves