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EGTB: win in 20 half-moves

# move score
1 Ra8 win in 19 half-moves
2 Rf7 draw
3 Rg7 draw
4 Rh7 draw
5 Nb2 loss in 2 half-moves
6 Nb6 loss in 2 half-moves
7 Nc3 loss in 2 half-moves
8 Nc5 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rad7 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rdd7 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves