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EGTB: win in 20 half-moves

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