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EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Rb2 draw
3 Rb3 draw
4 Rbb1 draw
5 Re6 draw
6 Rf6 draw
7 Rg6 draw
8 Ra1 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rgb1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh6 loss in 2 half-moves