166. Tiruchirapalli-I

Dravida Munnetra Kazhagam held the seat; the winning margin widened from 3.9% to 7.2%.

• Won on a lower shareIts own vote share fell 18.6% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 57.2% between them, down from 97.8% — the field split more ways.

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