# Question regarding to the \_score and \_explanation.value
**URL:** https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695
**Category:** Elasticsearch
**Created:** [September 19, 2013, 7:31pm UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695 "2013-09-19T19:31:50Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@Evan\_2](https://discuss.elastic.co/u/Evan_2)
#### Post date: [September 19, 2013, 7:31pm UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695/1 "2013-09-19T19:31:50Z")
I am doing some queries with explain: true but notice that sometimes the
\_score is not the same as the \_explanation.value.
Should the \_score for each match the same as the \_explanation.value? Or the
\_score involves in more calculation on top of the \_explanation.value?
Thanks.
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### Author:  [@jpountz](https://discuss.elastic.co/u/jpountz)
#### Post date: [September 20, 2013, 7:27am UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695/2 "2013-09-20T07:27:35Z")
Hi,
On Thu, Sep 19, 2013 at 9:31 PM, [evan@evanwong.io](mailto:evan@evanwong.io) wrote:
> I am doing some queries with explain: true but notice that sometimes the
> \_score is not the same as the \_explanation.value.
> Should the \_score for each match the same as the \_explanation.value? Or
> the \_score involves in more calculation on top of the \_explanation.value?
Can you give an example of a query which has a different \_score and
\_explanation.value?
\*
Thanks.
--
Adrien Grand
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### Author:  [@Evan\_2](https://discuss.elastic.co/u/Evan_2)
#### Post date: [September 20, 2013, 3:59pm UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695/3 "2013-09-20T15:59:22Z")
The \_explanation.value is coming back as 0 (even with a match) but the
\_score is coming back with some value.
[Gist](https://gist.github.com/evanwong/6638420)
Is this a bug that I should open an issue to track?
On Friday, September 20, 2013 3:27:35 AM UTC-4, Adrien Grand wrote:
> Hi,
>
> On Thu, Sep 19, 2013 at 9:31 PM, \<[ev...@evanwong.io](mailto:ev...@evanwong.io) \\> wrote:
>
> > I am doing some queries with explain: true but notice that sometimes the
> > \_score is not the same as the \_explanation.value.
> > Should the \_score for each match the same as the \_explanation.value? Or
> > the \_score involves in more calculation on top of the \_explanation.value?
>
> Can you give an example of a query which has a different \_score and
> \_explanation.value?
> \*
> Thanks.
>
> --
> Adrien Grand
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### Author:  [@Evan\_2](https://discuss.elastic.co/u/Evan_2)
#### Post date: [September 20, 2013, 5:10pm UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695/4 "2013-09-20T17:10:15Z")
By the way, I am using 0.90.3.
On Friday, September 20, 2013 11:59:22 AM UTC-4, [ev...@evanwong.io](mailto:ev...@evanwong.io) wrote:
> The \_explanation.value is coming back as 0 (even with a match) but the
> \_score is coming back with some value.
> [Gist](https://gist.github.com/evanwong/6638420)
>
> Is this a bug that I should open an issue to track?
>
> On Friday, September 20, 2013 3:27:35 AM UTC-4, Adrien Grand wrote:
>
> > Hi,
> >
> > On Thu, Sep 19, 2013 at 9:31 PM, [ev...@evanwong.io](mailto:ev...@evanwong.io) wrote:
> >
> > > I am doing some queries with explain: true but notice that sometimes the
> > > \_score is not the same as the \_explanation.value.
> > > Should the \_score for each match the same as the \_explanation.value? Or
> > > the \_score involves in more calculation on top of the \_explanation.value?
> >
> > Can you give an example of a query which has a different \_score and
> > \_explanation.value?
> > \*
> > Thanks.
> >
> > --
> > Adrien Grand
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### Author:  [@Sebastian\_Cuy](https://discuss.elastic.co/u/Sebastian_Cuy)
#### Post date: [October 29, 2013, 2:36pm UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695/5 "2013-10-29T14:36:15Z")
Hi,
I recently encountered the same issue in 0.90.5. You can reproduce this
behavior with the following gist: [How to reproduce zero values for \_explanation in elasticsearch. ยท GitHub](https://gist.github.com/scuy/7215710)
Boosting the field seems to cause the term frequency to become zero, but
only for the explanation value. The score is still computed accurately.
Should I open an issue for this?
Sebastian
Am Freitag, 20. September 2013 19:10:15 UTC+2 schrieb [ev...@evanwong.io](mailto:ev...@evanwong.io):
> By the way, I am using 0.90.3.
>
> On Friday, September 20, 2013 11:59:22 AM UTC-4, [ev...@evanwong.io](mailto:ev...@evanwong.io) wrote:
>
> > The \_explanation.value is coming back as 0 (even with a match) but the
> > \_score is coming back with some value.
> > [Gist](https://gist.github.com/evanwong/6638420)
> >
> > Is this a bug that I should open an issue to track?
> >
> > On Friday, September 20, 2013 3:27:35 AM UTC-4, Adrien Grand wrote:
> >
> > > Hi,
> > >
> > > On Thu, Sep 19, 2013 at 9:31 PM, [ev...@evanwong.io](mailto:ev...@evanwong.io) wrote:
> > >
> > > > I am doing some queries with explain: true but notice that sometimes
> > > > the \_score is not the same as the \_explanation.value.
> > > > Should the \_score for each match the same as the \_explanation.value? Or
> > > > the \_score involves in more calculation on top of the \_explanation.value?
> > >
> > > Can you give an example of a query which has a different \_score and
> > > \_explanation.value?
> > > \*
> > > Thanks.
> > >
> > > --
> > > Adrien Grand
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 2:10am UTC](https://discuss.elastic.co/t/question-regarding-to-the--score-and--explanation-value/13695/6 "2017-07-06T02:10:00Z")