August Cook Off
Cleaning Up, Arranging the Appetizers
The November CookOff
Cutting Recipes, Choosing Cook Off Problems
The December 2010 Cook-Off
The Morning Commute, Pairing Chefs
The January 2011 Cook-Off
Holes in the text, Chef team
February Cook - Off Challenge
Integer Sequences, Breaking Into Atoms, Three Way Communications
March Cook-off Challenge
Money Transformation, Snake Snaky
April Cook-Off Challenge
The Grand Cook Off, A Prime Conjecture, Internet Media Types
June Cook-off
Correctness of Knight Move, Super-plane
July Cook-off 2011
Pleasing Chief, Garden Squares, Misinterpretation
August Cook-off 2011
Vote for the Noodle Soup, Open the Dragon Scroll
November Cook-Off
Moving Coins, Subanagrams
December Cook-Off
Ciel and New Menu, Ciel and A-B Problem
March Cook-Off 2012
Ciel Numbers I, Ciel Numbers II
April Cook-Off 2012
Top Batsmen, Resistance, Crease Painting
July Cook-Off 2012
Ciel and Receipt, Ciel and Map, Ciel and Tomya
November Cook-Off 2012
Little Elephant and Permutations, Little Elephant and Divisors
January Cook-Off 2013
Minimum Distance, Many Chefs
