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€29.90 Study of the Month: April 2021 What is an ‘endgame study’? By definition, it is (unless an author specifies otherwise) a position in which White wins or draws in exactly one way. How do you know that there is exactly one way? Endgame tablebases (EGTB) are a proof, but unlike many other genres, there is no way to use brute force or heuristically solve an endgame study to find a complete proof of it being correct. That is where cook hunters come in. A cook is an incorrectness in an endgame study, either a refutation or a dual. A dual first and refutation later might lead to a unique solution, but not to a correct study usually, as the author’s intention is lost. Let’s explore cooks!

Sankt peterburgChelyabinskaya oblastWerner keymHans gruberMikhail zinarRudolf larinAlexei shirovHilmar ebert klausEugene cookEmil vlasHenri rinckTim krabbJean marc ricciMario garciaHilmar alquirosMartin minski