Complex sentence: In the 1943 elections, Scrimgeour stood against Peter Fraser in as an Independent candidate; he performed so well that Fraser, hitherto expected to win his seat comfortably, "only sneaked back on a minority vote".
Split into simpler sentences: In the 1943 elections, Scrimgeour stood against Fraser in as an Independent candidate. He performed so well that Fraser (hitherto expected to win his seat comfortably) "only sneaked back on a minority vote".