March 2009 (Contest I)
Some More Homework, The Rise and Fall of Power, Place the mines!, The Guessing Game, Johnny and the Beanstalk, Paying up
April 2009 (Contest II)
Packing the Boxes, A Christmas Pizza Puzzle, Spaghetti Monsters, Battleship V, Squash the Bugs, Bubbles
May 2009 (Contest III)
Prime words, Healthy dinner party, Best board fill, The powerful sum, An interesting subsequence, Swapping mismatches
August 2009 (Contest VI)
Magic sequence, Bytelandian Robots, Curry Stained Napkin, Golf course, Crystals, Divide and conquer
September 2009 (Contest VIII)
Chemical reactions, A Coin Game, A Bowling Game, Se7en, Smart Frog
October 2009 (Contest IX)
Congruent triangles, A puzzle game, Paragraph Formatting, Just a simple sum, Kayaks, Forces in the crystal
November 2009 (Contest X)
The Best Box, The LCS Problem Revisited, Help the judge, Magic Strings, Help the DJ, SudokuX
December 2009 (Contest XI)
The N Queens Puzzle Revisited, Effective Sets, Palindromic Numbers, Maze of Digits, Plant Location
January 2010 (Contest XII)
Place the balloon, Circle of towers, Cell Phone Towers , Wildcard Matching, Lost Primes, Jawbreaker
February 2010 Contest
The Mine Field, Soccer League
India