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EGTB: win in 20 half-moves

# move score
1 Rg8 win in 19 half-moves
2 Bg5 draw
3 Nf6 draw
4 Nf8 draw
5 Rc8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Ng5 loss in 6 half-moves
10 Bd8 loss in 2 half-moves
11 Be1 loss in 2 half-moves
12 Be7 loss in 2 half-moves
13 Bf2 loss in 2 half-moves
14 Bf6 loss in 2 half-moves
15 Bg3 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves