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How contest scores are built
Amateur radio contests are timed events in which stations try to contact as many other stations as possible, and each contact is called a QSO. The final score is rarely just a count of contacts. Most contests award points for each QSO, with the points depending on the band, the mode or the distance, and then multiply the total points by the number of multipliers collected, such as countries, zones or states worked. That two-part structure is what makes contest strategy interesting: a station can raise its score either by working more stations or by finding new multipliers, and the best operators balance both all the way to the end.
Understanding the arithmetic before the contest starts is worth real points. During a busy contest hour, nobody has time to work out whether chasing a rare multiplier on a quiet band beats grinding out ten easy contacts on a busy one. If you know your contest’s points table and you can estimate your multiplier total, the calculator below turns a plan into a number in seconds. That number lets you set a realistic target, compare two operating plans, and judge at any point in the contest whether you are ahead of or behind your plan.
How to use the calculator
- Enter the number of QSOs you expect, or have already logged.
- Enter the average points per QSO for your contest and operating mix.
- Enter the number of multipliers you expect to collect.
- Read your QSO points and your final score.
Most contests do not award one flat rate per QSO, so the average-points figure deserves a moment of thought. If your contest gives one point for a same-country contact, two for a same-continent contact and three for another continent, and you expect a mix of all three, your average might sit near two. Work out that average from your last contest log, or from a realistic guess about where your contacts will come from, rather than copying the highest rate in the rules. An honest average produces an honest target.
A worked example
Imagine you log 100 QSOs at an average of 3 points each, and you collect 40 multipliers. Your QSO points total 300, and your final score is 300 times 40, which is 12,000. Now compare two ways of improving that result. Adding 20 more QSOs at the same average adds 60 QSO points, and times 40 multipliers that is worth 2,400 extra points. Finding 5 new multipliers instead, with no new QSOs, is worth 300 times 5, which is 1,500 points. In this example the extra contacts win, but change the numbers and the answer flips: when your QSO total is large and your multiplier total is small, each new multiplier is worth a great deal.
That comparison is the heart of contest tactics. Early in a contest, multipliers are plentiful because every new country is a new multiplier, so hunting them pays well. Late in a contest, most easy multipliers are already in the log, and the remaining ones may take a long search on a quiet band. At that stage, running up the QSO count on a busy band usually earns more. The calculator cannot tell you which station to call next, but it can show you, before you commit an hour to a strategy, what that hour needs to deliver to be worth it.
Planning tips
- Set a target from your last result, not from the winner’s score. A 10 percent improvement is a good goal.
- Break the target into hours: QSOs per hour and new multipliers per hour.
- Log multipliers as you go, so you always know which bands still hold new ones.
- Check the rules for duplicate contacts, off-time rules and power categories before you start.
- Rest matters: a tired operator makes logging errors, and a wrong callsign can cost the contact.
Educational estimator only. Every contest has its own scoring rules, and some add bonuses, penalise errors or count multipliers per band rather than once overall. This calculator uses the common points-times-multipliers form, so always read your contest’s official rules and adapt the inputs to match them. The result is a planning aid, not an official score.
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