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EGTB: win in 20 half-moves

# move score
1 Rb4 win in 19 half-moves
2 Kd7 win in 31 half-moves
3 Kb8 draw
4 Kc7 draw
5 Kd8 draw
6 Ra4 draw
7 Ra8 draw
8 Raa7 draw
9 Rab6 draw
10 Rb8 draw
11 Rba7 draw
12 Rbb6 draw
13 Rc6 draw
14 Rc7 draw
15 Rd6 draw
16 Rd7 draw
17 Re6 draw
18 Re7 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rf7 loss in 2 half-moves
29 Rg6 loss in 2 half-moves
30 Rg7 loss in 2 half-moves
31 Rh6 loss in 2 half-moves
32 Rh7 loss in 2 half-moves