Operation Chess

{{Short description|British WWII commando raid}}

{{Use dmy dates|date=February 2014}}

{{Use British English|date=February 2014}}

Operation Chess was a British Commando raid during the Second World War. It was carried out by 17 men of No. 12 Commando commanded by a Second Lieutenant Pinckney over the night of 27/28 July 1941.

The target for the raid was Ambleteuse, Pas-de-Calais, France. The raiding party were towed across the English Channel in two Landing Craft by a Motor Launch, which cast them off two miles from the Slack River near Ambleteuse. They remained ashore for one hour, no prisoners were taken.{{cite web|access-date=9 June 2010|publisher=Naval History|title=Naval codewords: Pas-de-Calais|url=http://www.naval-history.net/xGM-Ops-CodeNamesAlpha.htm}}

Cdr. Sir Geoffrey Congreve Bt DSO died of his wounds received during the raid.The Times:In memoriam - War, Saturday 27 July 2013