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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 migh...

€19.95 When Wim Andriessen founded  Schaakbulletin in 1968 and shortly thereafter gave up his secure job at the college, many were quick to call him insane. Berry Withuis, a veteran of chess journalism, openly mocked him: "If you want to throw away your money in the Netherlands, you either waste it on women or create a chess magazine." After all, the local chess community was way too small to allow for a second publication to survive beside  Schakend Nederland, the official magazine of the local chess association. And indeed,  Schaakbulletin never really made any pro...