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EGTB: win in 12 half-moves

# move score
1 Rg7 win in 11 half-moves
2 Nb2 draw
3 Nc5 draw
4 Rb7 draw
5 Ra8 loss in 4 half-moves
6 Rh7 loss in 4 half-moves
7 Nb3 loss in 2 half-moves
8 Nb6 loss in 2 half-moves
9 Nb7 loss in 2 half-moves
10 Nc3 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Nc6 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves