The vast majority of the problems in the World Puzzle Championship are of the same ilk as from the most recent championship in Turkey. Every once in a while an induction puzzle sneaks on, the kind where one looks for a pattern and guesses the rule or fills in the missing pieces.
I’ve had these puzzles lurking about since the 2003 championship in the Netherlands occurred, and I’ve never been able to solve four of them. I figure at seven years old it is high time to get them off my queue.
First off, a set called Common Touch based off of Bongard problems. I know the answers to only the first two.
In each of the three puzzles, 4 puzzlers in the YES group all share an unusual property, which none of the names in the NO group have. For each puzzle, pick one of the 8 names from the answer list that shares the property in the YES group. Note that the answers have nothing to do with the people themselves, only the names.
YES: LASLO MERO, CLAUDE DESSET, NECMIYE OZAY, ANDREAS BOLOTA
NO: KAROLY KRESZ, METIN BALCI, PAVEL KALHOUS, ROGER BARKAN
YES: CLAUDE DESSET, NIELS ROEST, LASZLO OSVALT, ANNICK WEYZIG
NO: DAVID SAMUEL, DELIA KEETMAN, TETSUYA NISHIO, RON OSHER
YES: PETR NEPOVIM, BIRGIT ROSENTHAL, PAVEL KALHOUS, DARIUSZ GRABOWSKI
NO: TIM PEETERS, HUSNU SINCAR, ALEXANDRU SZOKE, EMERIC LORINCZ
Answer list: JOHN WETMILLER, JAN LAM, HANS EENDEBAK, ULRICH VOIGT, ZACK BUTLER, JAN FARKAS, ROBERT BABILON, SILKE RITTER
Out of these “fill in the question mark” problems, I have solved exactly zero: