Boolean field score inside query should

explaination

{
   "value":3.722785,
   "description":"weight(services.Phone.freeCalls.Daytime:T in 2786) [PerFieldSimilarity], result of:",
   "details":[
      {
         "value":3.722785,
         "description":"score(doc=2786,freq=1.0 = termFreq=1.0 ), product of:",
         "details":[
            {
               "value":0.51985043,
               "description":"queryWeight, product of:",
               "details":[
                  {
                     "value":7.1612616,
                     "description":"idf(docFreq=77, maxDocs=36974)"
                  },
                  {
                     "value":0.07259202,
                     "description":"queryNorm"
                  }
               ]
            },
            {
               "value":7.1612616,
               "description":"fieldWeight in 2786, product of:",
               "details":[
                  {
                     "value":1,
                     "description":"tf(freq=1.0), with freq of:",
                     "details":[
                        {
                           "value":1,
                           "description":"termFreq=1.0"
                        }
                     ]
                  },
                  {
                     "value":7.1612616,
                     "description":"idf(docFreq=77, maxDocs=36974)"
                  },
                  {
                     "value":1,
                     "description":"fieldNorm(doc=2786)"
                  }
               ]
            }
         ]
      }
   ]
}

query

{
   "query":{
      "bool":{
         "must":[
            {
               "function_score":{
                  "functions":[
                     {
                        "gauss":{
                           "services.TV.grade":{
                              "origin":6,
                              "scale":20
                           }
                        }
                     },
                     {
                        "gauss":{
                           "services.TV.equipment.pVRStorage":{
                              "origin":500,
                              "scale":20
                           }
                        }
                     },
                     {
                        "gauss":{
                           "services.Broadband.maximumDownloadSpeed":{
                              "origin":16,
                              "scale":20
                           }
                        }
                     }
                  ]
               }
            }
         ],
         "should":[
            {
               "term":{
                  "services.Broadband.technology":1
               }
            },
            {
               "term":{
                  "services.Phone.freeCalls.Daytime":true
               }
            },
            {
               "term":{
                  "services.Phone.freeCalls.Evening":true
               }
            },
            {
               "term":{
                  "services.Phone.freeCalls.Weekend":true
               }
            },
            {
               "term":{
                  "services.Phone.freeCalls.International":false
               }
            }
         ],
         "must_not":[

         ]
      }
   }
}