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EGTB: win in 6 half-moves

# move score
1 Rb2 win in 5 half-moves
2 Rb3 draw
3 Rb7 draw
4 Rb8 draw
5 Re6 draw
6 Rf6 draw
7 Rg6 draw
8 Rh6 draw
9 Kaa2 loss in 2 half-moves
10 Kab2 loss in 2 half-moves
11 Kba2 loss in 2 half-moves
12 Kbb2 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves