243. Sonamukhi

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 19.8% to 2.9%.

• Won on a lower shareIts own vote share fell 19.2% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 74.8% between them, down from 96.4% — the field split more ways.

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