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EGTB: win in 6 half-moves

# move score
1 Rb8 win in 5 half-moves
2 Rb3 draw
3 Rg4 draw
4 Ka7 loss in 2 half-moves
5 Kab7 loss in 2 half-moves
6 Kab8 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kcb7 loss in 2 half-moves
9 Kcb8 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves