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EGTB: win in 22 half-moves

# move score
1 Rb5 win in 21 half-moves
2 Ra1 draw
3 Rc1 draw
4 Rd1 draw
5 Re1 draw
6 Rb2 loss in 2 half-moves
7 Rb3 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rg1 loss in 2 half-moves
14 Rh1 loss in 2 half-moves