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EGTB: win in 20 half-moves

# move score
1 Rg4 win in 19 half-moves
2 Rh4 win in 19 half-moves
3 Nc2 draw
4 Nc4 draw
5 Ra5 draw
6 Rb4 draw
7 Rc4 draw
8 Nb5 loss in 10 half-moves
9 Nb1 loss in 6 half-moves
10 Rd4 loss in 6 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves