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EGTB: win in 52 half-moves

# move score
1 Rb8 win in 51 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rc7 draw
9 Ka5 loss in 4 half-moves
10 Ka7 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Ra7 loss in 4 half-moves
13 Rg7 loss in 4 half-moves
14 Rh7 loss in 4 half-moves
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves