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EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Rb2 win in 5 half-moves
3 Ra7 draw
4 Rb3 draw
5 Rb4 draw
6 Rb8 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Kf2 loss in 2 half-moves
13 Kfg1 loss in 2 half-moves
14 Kfg2 loss in 2 half-moves
15 Kh2 loss in 2 half-moves
16 Khg1 loss in 2 half-moves
17 Khg2 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves