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EGTB: win in 12 half-moves

# move score
1 Rg4 win in 11 half-moves
2 Ra7 draw
3 Rb7 draw
4 Re7 draw
5 Rg1 draw
6 Rg2 draw
7 Rg3 draw
8 Na3 loss in 2 half-moves
9 Nc3 loss in 2 half-moves
10 Nd2 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh7 loss in 2 half-moves