CREATE TABLE table_203_299 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "notes" CLOB)

list the other competitions besides european u23 championship that came in 1st position ?
SELECT "competition" FROM table_203_299 WHERE "competition" <> 'european u23 championships' AND "position" = 1
SELECT "competition" FROM "table_203_299" WHERE "competition" <> 'european u23 championships' AND "position" = 1