23. Chadayamangalam

Communist Party of India held the seat; the winning margin narrowed from 27.5% to 0.2%.

• Won on a lower shareIts own vote share fell 3.2% — it held because the rest of the vote was more divided.
• Vote consolidatedThe top two candidates took 97.3% of the vote between them, up from 76.5% — a tighter two-way contest.

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