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EGTB: win in 12 half-moves

# move score
1 Rb5 win in 11 half-moves
2 Rb6 win in 11 half-moves
3 Rb7 win in 17 half-moves
4 Kb4 draw
5 Kc2 draw
6 Kc4 draw
7 Kd2 draw
8 Kd4 draw
9 Ra2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb8 draw
13 Rf2 draw
14 Rg2 draw
15 Rh2 draw
16 Kb3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf7 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Kg7 loss in 2 half-moves
23 Kh5 loss in 2 half-moves
24 Kh6 loss in 2 half-moves
25 Kh7 loss in 2 half-moves
26 Rb1 loss in 2 half-moves
27 Rc2 loss in 2 half-moves
28 Rd2 loss in 2 half-moves
29 Re2 loss in 2 half-moves