Announcing the 2012 Competition

The Nob Yoshigahara Puzzle Design Competition was established in 2001 to promote and recognize innovative new designs of mechanical puzzles. The twelveth annual competition begins this year, with judging and awards at IPP32 (August 2012). See the full details using the following links.

The 2011 Competition Results

• 72 puzzles entered; the 2011 Competition Entries page includes names and images. Further information to follow.
• Judging at IPP31 in Berlin, Germany, August 5-8, 2011. The Puzzlers' Award selected by IPP attendees; all other prizes selected by Judging Committee. Click on images below for more information.

2011 Prize Winners Puzzlers' Award NOBOX Simon Nightingale Jury Grand Prize 4 Steps Visible Lock Robrecht Louage

Jury First Prize Judge's Gavel Mike Toulouzas MT5T (Make the 5 Tetromoinoes) MINE (Mineyuki Uyematsu) Superstrings Richard Gain

Jury Honorable Mention Fracture-10 David Pitcher House with Trees Hiroshi Iwahara T-3 Hiroshi Yamamoto

Top 10 Vote Getters The following designs were in the top-10 in voting for the Puzzlers' Award, but were not otherwise recognized with a formal Jury prize. Ambigram Burr - Gregory Bendetti Breakfast Egg - Vesa Timonen Carpenter's Rule - Kelly Snache Curly Cube - Vladimir Krasnoukhov Drunken Dancing Fraulein - Stephen Chin Tornado - Houlis, Dyskin, Kanel-Belov, Pasternak, Estrin

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