52. Bargur

All India Anna Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 18.6% to 0.5%.

• Won on a lower shareIts own vote share fell 13.1% — it held because the rest of the vote was more divided.
• New challengerDravida Munnetra Kazhagam (DMK) finished second with 42.4% — it did not contest here in 2011.
• Vote fragmentedThe top two took only 85.3% between them, down from 93.4% — the field split more ways.

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