Q&A for professional and enthusiast programmers
SELECT A.Id AS [Post Link], A.Score, U.DisplayName FROM Posts A JOIN Users U ON A.OwnerUserId = U.Id WHERE year(A.CreationDate) = 2020 AND A.PostTypeId = 1 -- Post is answer AND NOT EXISTS (SELECT * FROM Posts A2 WHERE A2.OwnerUserId = U.Id AND year(A2.CreationDate) < 2020 AND A2.PostTypeId = 1) ORDER BY A.Score DESC