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EGTB: win in 20 half-moves

# move score
1 R6a5 win in 19 half-moves
2 R1a3 win in 21 half-moves
3 R6a4 win in 21 half-moves
4 Kb6 draw
5 R1a2 draw
6 R1a4 draw
7 R1a5 draw
8 R6a2 draw
9 R6a3 draw
10 Rb1 draw
11 Rb6 draw
12 Rc1 draw
13 Rd1 draw
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves