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EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Ra7 draw
3 Rc7 draw
4 Rd2 draw
5 Rd4 draw
6 Rd5 draw
7 Rd6 draw
8 Rg7 draw
9 Rh7 draw
10 K4b4 loss in 2 half-moves
11 K4b5 loss in 2 half-moves
12 K5b4 loss in 2 half-moves
13 K5b5 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves