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EGTB: win in 12 half-moves

# move score
1 Rb5 win in 11 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb5 draw
5 Kb6 draw
6 Kc6 draw
7 Kd5 draw
8 Kd6 draw
9 Ra8 draw
10 Rb4 draw
11 Rb6 draw
12 Rb7 draw
13 Rc8 draw
14 Rf8 draw
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves