Speedcubing Competition Rules: Solves, Scoring, and Round Progression

Organizing a speedcubing competition with friends turns casual solving into an exciting structured event. The core of any competition is the speedcubing average of five scoring system: each competitor does five solves, the fastest and slowest times are discarded, and the average of the remaining three is their result. For a small group, one round may be enough, but for larger events you can use round progression where only a set number of competitors advance to the next round based on their averages. This guide explains how to set up speedcubing competition rules, plan a schedule, build a bracket, and communicate advancement clearly—even if you have no prior event-planning experience.

Core Competition Format: Average of Five

The standard scoring method in speedcubing is the average of five. Each competitor performs five solves. The best (lowest) time and the worst (highest) time are discarded, and the final result is the arithmetic mean of the remaining three times, rounded to the nearest hundredth of a second. This method reduces the impact of lucky single solves and unlucky mistakes, giving a more consistent measure of skill.

Example: A competitor records times of 10.22, 11.53, 12.01, 13.45, and 9.87 seconds. The best time (9.87) and worst (13.45) are removed. The average of 10.22, 11.53, and 12.01 is 11.25 seconds. That is the competitor's result for the round.

Essential Rules and Terms

Even a friendly competition benefits from clear rules that match those used by the World Cube Association (WCA). Here are the key concepts:

DNF (Did Not Finish): If a competitor fails to complete a solve within the time limit, makes an illegal move during a penalty situation, or has a timer malfunction, the solve is marked as DNF. A DNF counts as the worst possible result for that solve. In average of five, if a competitor has one DNF, it will be discarded as the worst result (unless there are multiple DNFs). If a competitor has two or more DNFs in a round, the average is DNF.

DNS (Did Not Start): This is recorded when a competitor does not attempt a solve, for example if they are absent when called. DNS is treated like a DNF for scoring.

Inspection Time: Before starting the timer, a competitor may inspect the scrambled puzzle for up to 15 seconds. The judge calls "8 seconds" and "12 seconds" as warnings. Starting the solve after 15 seconds but before 17 seconds incurs a +2 second penalty. Starting after 17 seconds results in a DNF.

Time Limit: Each round can have a time limit (e.g., 2 minutes per solve). If the competitor exceeds this, the solve is a DNF.

Time Penalties: A +2 second penalty is added for minor infractions like starting inspection too late, touching the puzzle after stopping the timer but before the judge checks, or not fully releasing the cube. More severe infractions result in DNF.

Scrambling: Puzzles must be scrambled using official scramble sequences. For a casual event, you can generate scrambles using apps or websites. Each competitor in a round should receive the same set of scrambles to ensure fairness.

Judges: Ideally, each solving station has a judge who ensures rules are followed, starts the timer, and records the time. In a small group, competitors can take turns judging when they are not solving.

Timers: Stackmat timers are standard because they allow the competitor to start and stop the timer with their hands while holding the cube. Phone stopwatches can work but are less accurate and harder to operate properly.

Structuring the Competition: Rounds and Cutoffs

For a group of friends, you can decide whether to have a single round or multiple rounds with cutoffs.

Single Round: If you have fewer than 8-10 competitors, a single round is simple. Everyone does one average of five, and the ranking is based on that average.

Multiple Rounds with Cutoffs: For larger groups, you can have a preliminary round and a final round. A cutoff is a predetermined time that competitors must beat in their first one or two solves to continue with the full average. This saves time because slower competitors do not complete all five solves. For example, a cutoff of 1 minute means: if the competitor's first solve is under 1 minute, they do the remaining four solves and get an average. If the first solve is over 1 minute, they are done for that round and their result is their first solve only (or first two if the cutoff is based on two solves).

Another cutoff approach is to limit the number of competitors advancing to the next round. For example, after the first round, the top 50% (or top 8, top 16, etc.) advance to the next round. This is based on the averages from the first round.

Example: 20 friends compete. You set a cutoff that the top 12 advance to the finals. The finals then use average of five again. This keeps the event moving and adds excitement.

Building a Bracket and Round Progression

For a speedcubing competition, a traditional bracket (like single-elimination) is not used because speedcubing is not a head-to-head event. Instead, competitors are ranked by their average of five times. However, you can build a "bracket" in the sense of a progression table that shows who advances.

Step-by-step to build a progression table:

1. Determine rounds: Decide how many rounds you want (e.g., Round 1, Round 2, Finals).
2. Set advancement numbers: Decide how many competitors advance from each round to the next. Common numbers are 50% of participants, top 16, top 8, or a fixed number based on your schedule.
3. Record results: After each round, sort competitors by average time (fastest first).
4. Apply cutoff: Draw a line under the last competitor who advances. Those above the line go to the next round.
5. Announce clearly: Post the results and highlight who advanced. Use a simple chart or spreadsheet.

Ranking ties: If two competitors have the same average (to the hundredth), compare their fastest single solve in that round. If still tied, compare the second fastest, etc. If still tied, they are ranked equally and both may advance.

Planning a Realistic Schedule

A common mistake is underestimating how much time solves take. Each average of five requires at least 5 solves per competitor, plus inspection and transition time. Plan for about 2-3 minutes per solve attempt per competitor (including scrambling, inspection, solving, and recording).

For 10 competitors in one round:

• Each competitor does 5 solves → 50 attempts total.
• At 2.5 minutes per attempt, that's 125 minutes, or about 2 hours.
• Add breaks and transition time: plan for 2.5-3 hours.

To shorten time, use time limits (e.g., 1 minute per solve) and cutoffs as described. If you have multiple rounds, you can run them sequentially or simultaneously if you have enough timers and judges.

Break down the schedule:

• Registration and setup: 30 minutes
• Round 1: 2 hours
• Break: 15 minutes
• Round 2 (if any): 1.5 hours
• Awards: 15 minutes

Keep the schedule visible to everyone so they know when to be ready.

Communicating the Next Round Clearly

After each round, post the results in a common area or share digitally. Clearly state:

• Who advanced to the next round (list names or numbers).
• What the cutoff time or number was (e.g., "Top 8 advance, cutoff average = 15.32 seconds").
• When and where the next round starts.

If someone just missed advancing, consider having a "second chance" round or a consolation final to keep everyone engaged.

Handling DNFs, DNS, and Penalties Consistently

To keep the competition fair and friendly, agree on how to handle special cases:

• If a timer fails during a solve, the competitor may get a fresh attempt with a new scramble (this is the WCA rule).
• If a competitor stops the timer incorrectly, apply the appropriate penalty or DNF.
• If a competitor is absent when called, mark DNS and they receive the worst result.

Make sure everyone understands the rules before starting. A short briefing at the beginning prevents confusion.

Equipment Checklist

For a smooth event, prepare:

• Cubes (each competitor should bring their own; have a few spares)
• Timers (Stackmat timers if possible, or phones with a stopwatch app)
• Scramble sequences (printed or on a screen)
• Score sheets or a digital spreadsheet
• Tables and chairs for solving stations
• Pens/pencils
• Timer display for audience (optional)

Summary of Key Rules

With these guidelines, you can turn a casual gathering into a well-organized speedcubing competition. Keep the atmosphere positive, be consistent with rules, and everyone will enjoy the challenge.