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EGTB: win in 20 half-moves

# move score
1 Ra6 win in 19 half-moves
2 Ra7 draw
3 Ra8 draw
4 Rf2 draw
5 Rf4 draw
6 Rg2 draw
7 Rh2 draw
8 Raa4 loss in 4 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rab2 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rba4 loss in 2 half-moves
25 Rbb2 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd2 loss in 2 half-moves
29 Rd4 loss in 2 half-moves
30 Re2 loss in 2 half-moves
31 Re4 loss in 2 half-moves
32 Rg4 loss in 2 half-moves
33 Rh4 loss in 2 half-moves