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EGTB: win in 12 half-moves

# move score
1 Rb5 win in 11 half-moves
2 Ra5 draw
3 Rc5 draw
4 Rd5 draw
5 Re5 draw
6 Rh2 draw
7 Rh6 draw
8 Rh7 draw
9 Rh8 draw
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 K1b2 loss in 1 half-moves
23 K1c2 loss in 1 half-moves
24 K1d2 loss in 1 half-moves
25 K3b2 loss in 1 half-moves
26 K3c2 loss in 1 half-moves
27 K3d2 loss in 1 half-moves