The strategies included ignoring Mr McKinnon ("Don Who?"), discrediting Miss Richardson ("inconsistent, expedient") and dismissing Mr Peters as "arrogant, flashy, superficial, lacking in substance".
The paper said Mr Peters had "third party appeal, now fading fast - shrill".
Mr Peters said the strategy failed because Labour had too many problems of its own. But he said parts of the report were "obviously insightful".
Sure were Winston!