511. Baharampur

Indian National Congress held the seat; the winning margin widened from 19.6% to 30.9%.

• Won on a lower shareIts own vote share fell 6.4% — it held because the rest of the vote was more divided.
• New challengerAll India Trinamool Congress (AITC) finished second with 19.7% — it did not contest here in 2009.
• Vote fragmentedThe top two took only 70.2% between them, down from 94.2% — the field split more ways.

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