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EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Nb1 draw
3 Nb3 draw
4 Nc4 draw
5 Ra8 draw
6 Rb2 draw
7 Rb5 draw
8 Rb6 draw
9 Rb7 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Ne4 loss in 2 half-moves
15 Nf1 loss in 2 half-moves
16 Nf3 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves