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EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Nb3 draw
3 Nd3 draw
4 Ne2 draw
5 Ra8 draw
6 Rb7 draw
7 Rf8 loss in 2 half-moves
8 Na2 loss in 1 half-moves
9 Rb1 loss in 1 half-moves
10 Rb2 loss in 1 half-moves
11 Rb3 loss in 1 half-moves
12 Rb5 loss in 1 half-moves
13 Rb6 loss in 1 half-moves
14 Rc8 loss in 1 half-moves
15 Rd8 loss in 1 half-moves
16 Re8 loss in 1 half-moves
17 Rg8 loss in 1 half-moves
18 Rh8 loss in 1 half-moves