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EGTB: win in 20 half-moves

# move score
1 Rb5 win in 19 half-moves
2 Rb1 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Rf2 draw
7 Rg2 draw
8 Rh2 draw
9 Ne6 loss in 2 half-moves
10 Ne8 loss in 2 half-moves
11 Nf5 loss in 2 half-moves
12 Nh5 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves