Some pictures start off very well. They reach 575 to 630 or so score and then the score starts dropping to say something like 540 or lower. I have observed this trend for last threes weeks which is very weird. I had to resubmit them. Don't know where will they reach. What may be the reason?
ImageScore on Pixoto is generally set to increase over time as we gain confidence with an image's quality. Any individual duel can result in an increase or a decrease in ImageScore. This has been true since we launched the site a year ago. About 80% of images that have scores above 600 after 100 duels fall off of the maximum at some point. 50% of images fall less than 5 points and the average image falls 7 points from their max. That said because we are working with larger numbers here there will always be outliers. 2% of images fall more than 25 points.
The following chart illustrates how imagescore progresses on average (imagescore is on the y-axis and # of duels is on the X-axis) and also gives examples of how three real images progressed.
You will note that while the average individual image falls 7 points from it's max the overall pattern is for imagescore to increase.
I realize that drops in ImageScore are unpleasant but unfortunately they are a fact of life on Pixoto.