Pinstripes, the Northbrook-based bowling and restaurant chain, has filed for Chapter 11 bankruptcy protection amid mounting debt and an inflation-driven downturn in the so-called “eatertainment” business.

The publicly traded company, which owes $143 million in secured debt, abruptly closed 10 of its 18 locations Monday – including one in Chicago’s Streeterville neighborhood – and will look to sell its remaining assets at a bankruptcy auction next month.

Three suburban Chicago locations — Oak Brook, South Barrington and the flagship Northbrook venue — will remain open while the company seeks a new buyer, a Pinstripes spokesperson said in an email Tuesday.

“We have a committed buyer for our continuing locations, and we will continue to market our assets as a going concern to maximize valu

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