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EGTB: win in 12 half-moves

# move score
1 Rgc1 win in 11 half-moves
2 Ra1 draw
3 Rb3 draw
4 Rbc1 draw
5 Rbd1 draw
6 Rgd1 draw
7 Rh1 draw
8 Rb2 loss in 3 half-moves
9 Rb4 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rbe1 loss in 2 half-moves
15 Rbf1 loss in 2 half-moves
16 Rge1 loss in 2 half-moves
17 Rgf1 loss in 2 half-moves