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h8
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a
1…Nc6 2.Nf3: no knight on b4
1…Nc6: 27 games, 44%, your worst score against 1.d4. Against 2.Nf3, you drop to 27% over 13 games, and 2…Nb4 is among your losing positions: 7 games, 21%.
Recall: with no white knight on c3, which piece was your knight going after?