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EGTB: win in 4 half-moves

# move score
1 Nb6 win in 3 half-moves
2 Ba7 draw
3 Bb6 draw
4 Bc5 draw
5 Be3 draw
6 Be5 draw
7 Bf2 draw
8 Bg1 draw
9 Ba1 loss in 2 half-moves
10 Bb2 loss in 2 half-moves
11 Bc3 loss in 2 half-moves
12 Bf6 loss in 2 half-moves
13 Bg7 loss in 2 half-moves
14 Na3 loss in 2 half-moves
15 Na5 loss in 2 half-moves
16 Nb2 loss in 2 half-moves
17 Nd2 loss in 2 half-moves
18 Nd6 loss in 2 half-moves
19 Ne3 loss in 2 half-moves
20 Ne5 loss in 2 half-moves
21 Bh8 loss in 1 half-moves