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EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Ba8 draw
3 Bb7 draw
4 Bc6 draw
5 Bd5 draw
6 Be4 draw
7 Bf3 draw
8 Ra7 draw
9 Rc6 draw
10 Rd6 draw
11 Bg2 loss in 2 half-moves
12 Nb3 loss in 2 half-moves
13 Nc4 loss in 2 half-moves
14 Nc6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves