This weekend is Dutch Grand Prix weekend

World Puzzle Federation Grands Prix 2017 logoThis weekend will be the fourth one since the Red Bull Mind Gamers finals. There’s an easy way to work that out; the World Puzzle Federation’s Puzzle Grand Prix events normally take place every four weeks, but the previous one was postponed because it would have happened on the same weekend as the RBMG finals. (Maybe “because” is strong; quite possibly it was coincidence.) In order to keep the series eight contests long, there’ll be an extra make-up weekend in early August.

The Grand Prix series is a collection of eight free-to-play online puzzle contests, each set by representatives of a different country. Each round is available for 3½ days, from 10am GMT on Friday to 10pm GMT on Monday. (This is likely to translate to one hour earlier in local time, for so many of us have sprung forward but not fallen back.) During that 84-hour window, you can press the “start the timer” button at a point of your choice; you then have an hour to score as many points as you can by submitting answers to the puzzles from that round.

There are three parallel one-hour contests that take place in the same weekend each round, referred to as classes A, B and C. Puzzles in the “Class A” and “Class B” contests are culture-free language-neutral logic puzzles, of which the Class B puzzles may be slightly less exotic; puzzles in the “Class C” contest are “understandable and solvable to a general audience” but are not necessarily language-neutral or culture-free; they might require a little external knowledge, or they might require “you either know it or you don’t” instinct rather than deduction.

The precise types of puzzles in each of the three contests for a round are announced a couple of days before it starts, and the instruction booklets with the details have already been published. Take a look at all three booklets – maybe start with the Class C booklet first – and then solve the set, or sets, of puzzles that look the most fun. So you can choose to have one, two or three hours of puzzle fun this weekend!

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