Werner Joho

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Werner Joho [1]

Werner Joho,
a Swiss physicist affiliated with the Division Large Research Facilities [2] of the Paul Scherrer Institute (PSI) in Villigen, Switzerland, before 1988 the Swiss Institute for Nuclear Physic (SIN) [3]. He received a Ph.D. in 1970 from ETH Zurich on the extraction of a 590 MeV proton beam from the SIN ring cyclotron [4], and was involved in developing of the Swiss Light Source [5].


In 1967/68, as Ph.D. student at ETH, along with Gerald Tripard and Gerhard Rudolf, Werner Joho was co-developer of the chess program Charly ("Chess heuristics and algorithms for relaxing lazy yodelers") running on a CDC 1604. While the computer was basically used for calculations to design magnets for the cyclotron, they used some extra weekend computer time for their work on chess [6]. In 1968, they asked Richard Greenblatt for a match versus Mac Hack VI. Three games were played in October and November 1968 via ham radio, all won by Mac Hack VI [7] [8].

Selected Publications


1970 ...

2000 ...

2010 ...

External Links


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