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EGTB: win in 12 half-moves

# move score
1 Rb6 win in 11 half-moves
2 Ra6 draw
3 Rc2 draw
4 Rc3 draw
5 Rf6 draw
6 Rg6 draw
7 Rh6 draw
8 f6 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rc4 loss in 1 half-moves