ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 5 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 from 50% to 74% confidence2/3
The source[1] gives the month only: "It was opened in March 1998 under the management of Chef Andoni Aduriz." A month-only date sits on that month's last day.Andoni Luis Aduriz opened his Basque restaurant in Gipuzkoa in March 1998. Restaurant Magazine has counted it among the world's best since 2006, ranking it as high as fourth.
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