Indeed, ICFP 2001 was the only time I ever heard of someone using Dylan, and 2005 was the next and last time. In 2001, the Dlyan Hackers placed #2, but the #1

Indeed, ICFP 2001 was the only time I ever heard of someone using Dylan, and 2005 was the next and last time. In 2001, the Dlyan Hackers placed #2, but the #1 team had a team member named Dylan (Thurston) http://developers.slashdot.org/story/01/09/07/0131231/icfp-2001-contest-results http://developers.slashdot.org/story/01/09/07/0131231/icfp-2... and IIRC, in that 2005 cops-and-robbers game, the game rules invited complex strategies, but the game wasn't balanced, so degenerate strategies dominated, and the competitiveness was over details of implementation.