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EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Bb8 draw
3 Bc7 draw
4 Be5 draw
5 Bf4 draw
6 Bg1 draw
7 Bg3 draw
8 Bd6 loss in 2 half-moves
9 Na1 loss in 2 half-moves
10 Na3 loss in 2 half-moves
11 Nd4 loss in 2 half-moves
12 Ne1 loss in 2 half-moves
13 Ne3 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rb1 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 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves