Question 1

How do the FIFA world rankings work?

Accepted Answer

Since 2018, FIFA has used a version of the **Elo rating system**, replacing an earlier points-averaging method that was widely criticised.

**How Elo works.** Every team has a rating. After each match, points transfer between the two teams based on the result **and on how surprising it was**. Beating a much stronger team gains a lot; beating a much weaker one gains very little. Losing to a weaker team loses a lot.

The formula compares the actual result against the **expected** result implied by the rating difference, and adjusts by the gap.

**The adjustment is scaled by match importance**, using an **importance coefficient**:

Friendlies outside international windows carry the lowest weight.

Friendlies during windows slightly more.

Nations League group matches, then continental and World Cup qualifiers, then continental finals, then **World Cup finals matches** carry the highest.

This was a deliberate correction to the old system, which had been exploited: teams avoided friendlies against weaker opposition because the averaging method could **reduce** your rating even after a win, producing perverse scheduling incentives.

**Key properties of the current system:**

**Points are zero-sum** between the two teams in a match.

**There is no decay or expiry**, so ratings reflect accumulated history rather than a rolling window — a criticism, since it makes ratings slow to reflect a team's decline.

**Knockout matches decided on penalties** are treated as draws with a small adjustment, reflecting that the teams were level.

**Why the rankings matter practically.** They determine **seeding pots** for World Cup and continental tournament draws, which materially affects a team's path — so a few places can be worth a great deal.

**Persistent criticisms:** confederations play largely within themselves, so ratings across confederations are hard to calibrate; and teams with few competitive fixtures move slowly.

**Unofficial Elo rankings** exist and often differ noticeably.

Question 2

How do chess ratings work?

Accepted Answer

Chess uses the Elo rating system, devised by the physicist Arpad Elo. A rating is a number that estimates playing strength, and it moves after every game based on the result and the strength of the

Question 3

How does a Swiss tournament system work?

Accepted Answer

Players are paired each round against someone on the same score, nobody is eliminated, and everyone plays every round — which lets a large field be ranked meaningfully in far fewer rounds than a

Question 4

How do darts and snooker handicapping and ranking systems differ from other sports?

Accepted Answer

Both use rolling money-based rankings rather than points awarded for results — a system that behaves quite differently from the points-based rankings used in tennis or golf. The money ranking

Question 5

How does the Formula 1 points system work?

Accepted Answer

Points are awarded to the top ten finishers in each Grand Prix, on a sliding scale, with additional points available in some circumstances. The race scale is 25-18-15-12-10-8-6-4-2-1 for first

Question 6

How does promotion and relegation work?

Accepted Answer

At the end of a season, the worst-performing clubs in a league move down to the division below, and the best-performing clubs from that division move up. The pyramid connects, so in principle a club

Question 7

How do tennis world rankings work?

Accepted Answer

Both the ATP and WTA rankings are rolling 52-week systems: your ranking reflects points earned over the previous twelve months, not a career total and not a calendar year. How points are earned.

Related Questions