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EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 d8=K draw
3 Ne3 draw
4 Ra1 draw
5 Rb1 draw
6 Rg1 draw
7 Na1 loss in 8 half-moves
8 Na3 loss in 6 half-moves
9 d8=B loss in 2 half-moves
10 d8=N loss in 2 half-moves
11 d8=Q loss in 2 half-moves
12 d8=R loss in 2 half-moves
13 Nd4 loss in 2 half-moves
14 Ne1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves