# In scrabble, how does the Elo rating system work?

### Answers

I’m not absolutely sure about the exact formulas; it’s a bit complex, but the gist of it is: You start with a set rating. When I began playing tournaments, the start rating was 1200. In case you win a game, your rating rises. The better your opponent, the more rating points you earn.

On the contrary, your rating goes down if you lose a game. The weaker your opponent, the more rating points you lose. The span between your potential rating gain and loss is always 20 points. Thus, for instance, playing a far higher-rated opponent might suggest that you will get a +16 if you win and a -4 if you lose. If you play a lower-rated competitor, it would be the reverse.

Elo ratings rise and fall due to a player’s skills and ability to win. There is a personal Elo rating for each player in the game, calculated based on all wins, losses, and draws in previous games.

Player’s Elo rating and number will rise the more wins they have. Elo ratings will be lower if there are more losses. A Scrabble player’s Elo rating depends on what they want from the game. It will be helpful to learn Elo if you have a large group of players and if you’re interested in playing at the club- or state-level.

However, Elo isn’t much use if you like playing casually in a small group or on infrequent occasions.

ELO is a system that can rate any game or competition. It is necessary to start with a fixed rating. If you win a game, your rating climbs up – the tougher your opponent, the higher your rewarding rating points.

On the other hand, if you lose a game, your rating drops down – the weaker your opponent, the more points you lose. Also, the difference between your potential gain and loss is fixed at 20 rating points. This means that you can go up against a more challenging opponent and win 16 points, but you’ll lose 4 points if you lose that exact match.

Arpad Elo created his rating system for specific groups of competitive players in a given game. Elo’s ratings are deemed fair and credible within such a limited context. For example, after finishing a game in a chess club, a player can take out a pocket calculator and calculate the change in their Elo rating to within a single point. As applicable as the methodology is, the larger the sample size and the more erratic the player population, the more Elo ratings vary and the less they mean in the general metagame. The North American Scrabble Players Association (NASPA), which has over 2,000 members and a relatively high level of player turnover, has more Elo randomness than a 100-member chess club, all of whom play faithfully.

• Elo Rating Calculation

Here is the basic formula for calculating it: Elo Rating = (Total Opponent Ratings + 400 x (Wins – Losses)) / Number of Games Played Calculating your Elo rating is a simple process.

Let’s calculate an example score using these hypothetical figures: Total rating of opponents: 20,000 Number of wins: 15 Number of losses: 5 Number of games played: 20

Given these data, the Elo rating would be determined as follows: Elo Performance Rating = (20,000 + 400 x (15 – 5)/20 Elo Performance Rating = 1,200

• What is a good Elo rating for Scrabble?

Remember that Elo score is a relative term. There’s a solid temptation to regard it as the be-all and end-all of Scrabble domination. Take a look at that formula! It’s also applicable in chess! A physicist came up with it! Unquestionably, an Elo rating is a pure and mathematical expression of how skilled someone is in Scrabble.

Yes, that’s what Elo’s rating is. And, like any calculation of anything, it is only as good as the data it has. Surprisingly, only the most determined players bother to impose a sophisticated sorting mechanism on a board game.