Important Dates

  • August 01, 2010: The challenge begins. Registration start.
  • August 12, 2010: The challenge's launch presentation. PATAT 2010, Belfast, Northern Ireland.
  • May 15, 2011: Registration deadline.
  • June 07, 2011: Leaderboard submissions deadline.
  • June 15, 2011: Deadline (at 23:59h UK time) for submitting the final documents.
  • July 5, 2011: The competition results are announced online.
  • July 29, 2011:  Competitors OR53 registration deadline.
  • September 8, 2011:  Announcement of the results. Presentation of the finalists' algorithms. The winners will be announced at OR53 (UK Operational Research Society conference). 
  • September 9, 2011:  Information about the winners is now published.

News

  • CHeSC 2011 benchmark: The file (chesc_benchmark.zip) contains the program and results for calculating the CHeSC 2011 competition scores, and comparing new hyper-heuristics to these results (26/09/11).
  • Competition winners:  Are now available online (09/09/11).
  • Competition median and best results: Are now available online (05/08/11).
  • Competition results: Are now available online (06/07/11). The indentity of the top 3 entires will be announced at OR53 (UK Operational Research Society) conference, a multi-disciplinary conference, with a wide variety of streams. See OR53 registration.
  • Competition instances:  The program used for selecting the competition instances is now available (05/07/11) (CompetitionInstanceSelector.java)
  • Leaderboard: Last update 09/06/11. The Leaderboard submissions are now closed. As a reference, the current top 3 leaderboard entries: PHunter4, ISEA2 and HAHA1, score above 340.00 points when competing (separately) against the 8 ASAP default hyper-heuristics using the ScoreCalculator.java or MultipleScoreCalculator.java programs.
  • Prizes: The current prize fund is £ 3,000  to be split between the first (£ 1,500), second (£ 1,000) and third (£ 500) place competitors. The top three competitors will be waived from the registration fee, and the accommodation fee. 

Software Updates

  • 17/03/2019 - Updated JAR files to fix several previously unknown bugs.
    - chesc-jars.zip contains two JAR files; chesc-fixed-no-ps.jar contains the HyFlex Framework with minor bug fixes and the CHeSC problem domains (less Personnel Scheduling), and chesc-ps.jar contains the corrected Personnel Scheduling problem domain.
    Note that the TSP_String problem domain Object should be used instead of TSP in order to resolve issues with the ProblemDomain.toString() method returning "null".
  • 05/08/11 - New chesc.jar version including the hidden domains and instances.
  • 05/08/11 - The program used for running the competition is now available (CompetitionRunner.java)
  • 03/06/11 - The files  ScoreCalculator.java and MultipleScoreCalculator.java have been updated to fix a floating point rounding issue.
  • 31/05/11 - Last version of Java jar file (chesc.jar). See HyFlex and chesc.jar Version History for details JAR file provided for archival purposes; serious errors relating to the Personnel Scheduling domain are fixed in the most recent download! - 17/03/2019.
  • 26/05/11 - The program for calculating the score of a single hyper-heuristic (ScoreCalculator.java) has been updated to reflect the more recent competition software.
  • 23/05/11 - A program for calculating the scores of several hyper-heuristics (instead of just one) has been made available (MultipleScoreCalculator.java)
  • 23/05/11 - Some minor typos in the HyFlex examples have bee been corrected (Examples.zip)
If you have any queries or comments regarding the competition please contact us.

Last Updated: 17 March 2019 by Warren G. Jackson (previous edit: 26 September 2011 by Gabriela Ochoa).