81. Gangavalli

All India Anna Dravida Munnetra Kazhagam held the seat; the winning margin widened from 3.9% to 7.3%.

• Won on a lower shareIts own vote share fell 10.8% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 67.1% between them, down from 92.1% — the field split more ways.

Written from the constituency figures by a fixed set of rules — no language model.