9. Kumargram

Indian National Congress held the seat; the winning margin widened from 13.6% to 22.8%.

• Won on a lower shareIts own vote share fell 4.3% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 65.0% between them, down from 82.7% — the field split more ways.

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