The 2017 Olympiad in Leiden hosted two Hex tournaments, board sizes 11×11 and 13×13. Three programs competed in each tournament. These are at present the only annual computer Hex tournaments. 11×11 is the original board size introduced by Piet Hein in 1942. Recently, all 1-move openings on 9×9Hex have been solved by computers, as have two 10×10 openings [9]. So, in recent years the 13×13 compet...

In an earlier paper (Khosla, 1968) it was observed that winning athletes (gold medallists) in many of the Olympic events at the Tokyo Olympiad in 1964 were much above the average heights of all participants in their events. In contrast, it was noted that competitors in a few events (boxing, wrestling, judo, and weightlifting) are matched on rigid weight standards, and because weight and height ...

Abstract In the past, students' participation in science competitions has been positively associated with their aspirations to pursue a career science. Previous studies, however, were predominantly focused around successful competitors, overlooking largest group of participants: those who are faced early elimination. We therefore aimed investigate effects elimination on development biology‐rela...