Extreme Calculation Training - Robert RisExtreme Calculation Training by Robert Ris (PC DVD) After the success of the first volume on Calculation Training, Dutch IM Robert Ris continues with Extreme Calculation Training a wide range of new aspects which have to be mastered to become a great calculator at the board! The topics discussed in the original series (candidate moves, method of elimination & imagination) are certainly useful when studying the content of this new video series. Special
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