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EGTB: win in 52 half-moves

# move score
1 Rb8 win in 51 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd3 draw
5 Kd7 draw
6 Ke7 draw
7 Ke8 draw
8 Ra3 draw
9 Rb1 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Rc3 draw
14 Rd3 draw
15 Kd2 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb4 loss in 2 half-moves