They Came, They Saw They Blundered Essential T-Shirt for Sale by ThamesIronworks

I blundered my queen in the vienna! #chess #chesstok #chessmaster #che, Chess

Someone Had Blundered - The New York Times

Someone has blundered;: Calamities of the British Army in the Victorian Age - Judd, Denis: 9780213164430 - AbeBooks

World champion Carlsen blundered into checkmate. How could he have won?

I almost blundered my game. Opponent didn't see it, Do you? : r/chess

Magnus Carlsen Blundered His Rook! - Remote Chess Academy

Someone Had Blundered-: A Historical Survey of Military Incompetence - Geoffrey Regan - Google Books

Don't be Blundered by Big Data

How the Homo sapiens blundered

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