Hey there, Thanks for getting in touch. We understand you've run into difficulty locating the last chess piece. We're sorry to hear of this, as we can imagine how this could cause concern. To help our investigation, could you possibly provide us with screenshots or footage which shows the locations of the pieces, so as to ensure they've all been collected? Once you have footage or screenshots, you can upload them to a site like Imgur or Youtube, and we'll investigate further.