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EGTB: win in 20 half-moves

# move score
1 Kb4 win in 19 half-moves
2 Ka2 draw
3 Ra5 draw
4 Ra6 draw
5 Ra7 draw
6 Rb4 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves