A custom_filters_score query allows to execute a query, and if the hit matches a provided filter (ordered), use the script associated with it to compute the score. Here is an example:

{
    "custom_filters_score" : {
        "query" : {
            "match_all" : {}
        },
        "filters" : [
            {
                "filter" : { "range" : { "age" : {"from" : 0, "to" : 10} } },
                "script" : "_score * 3"
            },
            {
                "filter" : { "range" : { "age" : {"from" : 10, "to" : 20} } },
                "script" : "_score * 2"
            }
        ]
    }
}

This can considerably simplify and increase performance for parameterized based scoring since filters are easily cached for faster performance, and the script is considerably simpler.

The query allows (on the same level as query and filters) to provide boost, and the common scripting elements params and lang.