References 290% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  Akizu source

  keioplaza-sapporo.co.jp· Posted Oct 15, 2026· Starts Oct 13, 2026 ✓· 50% of score

  Established restaurant. 2026-10-13 is the guide verification date, not its opening date.

• [2]90%
  Akizu source

  keioplaza-sapporo.co.jp· Added Oct 15, 2026· 50% of score

  Established restaurant. 2026-10-13 is the guide verification date, not its opening date.^[1]

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