So do you mean every president who has a House and Senate from his own party when he takes office and then loses both the House and the Senate to the opposition party during his term — is a loser?
yes, lose the House, the Senate and the Presidency and you’re a loser. The President is our head of state, our head of government and the head of the party.
What’s your definition of a loser, a President who retains the House and Senate and is re-elected? That doesn’t make any sense.
I suppose you could adjust this for elections prior to the Republican Revolution of 1994, when the Democrats enjoyed an perennial advantage in the House of Representatives.
Great Presidents are not only re-elected, are succeeded by the candidate of their party. Ronald Reagan was a great president. Our last one. Abraham Lincoln and Teddy Roosevelt were great presidents. I could mention a few others, but you get the idea.