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EGTB: win in 4 half-moves

# move score
1 Nb6 win in 3 half-moves
2 Bc1 draw
3 Bd2 draw
4 Bd8 draw
5 Be7 draw
6 Bf4 draw
7 Bh4 draw
8 Rh1 draw
9 Bh6 loss in 6 half-moves
10 Be3 loss in 2 half-moves
11 Bf6 loss in 2 half-moves
12 Nc7 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves