Rules
- A 3-second countdown, then the GO signal.
- The first sum has a 5 s fuse; each one has less than the last, down to 1.2 s.
- You answer with the 1, 2 and 3 keys or by clicking the answer.
- If the fuse runs out or you answer wrong, boom: the event is over.
- The event lasts 2 min at most.
How scoring works
Every right answer scores, more the faster you answer, and every wrong one costs you. The shorter the fuse, the more each right answer is worth.
Levels
- Gold level1,300 points
- Silver level900 points
- Bronze level500 points
Levels are earned by result; medals are only for the CCI Olympics.
Tips
- At first there is time to spare: answer sure, not fast.
- When in doubt, rule out: the last digit is often enough to tell which one it is not.
Event ranking
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