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Forum## Problem of the Week 980## Everyone's A Winner
In a round-robin tournament, a player A is a gold medal winner provided, for every other player C, either A beat C or there is a player B so that A beat B and B beat C. Is it possible for a 10-player tournament to have ten gold medal winners? Bonus Problem: Determine the set of n for which it is possible for an n-player tournament to have n gold medalists. Source: The recent Konhauser Problemfest had an amusing problem on champions in a tournament. Here is a variation that seems equally amusing, pointed out by Richard Guy. It is in his recent MAA book with Paul Vaderlind and Loren Larson: "The Inquisitive Problem Solver" (section 250).© Copyright 2003 Stan Wagon. Reproduced with permission. |

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4 March 2003