Chrome keyboard shortcut to "close other tabs"?

I wrote this extension so that we can assign shortcuts for closing tabs to the right / left /other tabs /pin /unpin tab. Let me know if you can use it

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Update 2019/06/10: Still works with Chrome 75

No keyboard shortcut i know about and checking google forums neither does anyone else.

There is an extension Close Inactive Tabs this is a button which closes all other tabs except the active one

No more confusing menus

The shortcut key to close all other tabs is CtrlShiftAltW if you install Amazing Tab Shortcuts, freely available in the Chrome Web Store.

I use it frequently for scripts, which I suspect is your use.