Expected and unexpected results
When the higher-rated player wins, the points come from the “verwachte resultaten” table; when the lower-rated player wins, from the “onverwachte resultaten” table, which gives far more. The rating gap selects the row.
| Rating gap | Higher rated wins | Lower rated wins |
|---|---|---|
| 0–14 | 8 | 8 |
| 15–29 | 7 | 9 |
| 30–59 | 7 | 10 |
| 60–89 | 6 | 13 |
| 90–119 | 5 | 17 |
| 120–149 | 4 | 21 |
| 150–179 | 3 | 26 |
| 180–209 | 3 | 32 |
| 210–239 | 2 | 39 |
| 240–269 | 2 | 46 |
| 270–299 | 1 | 55 |
| 300+ | 0 | 63 |
Wins are weighted by the event
Each table has six columns, R0 to R5, from small events to the Dutch Championships. The winner’s points come from the event’s column. The loser’s points always come from the R1 column — halved at R0 events and reduced in the youth competitions.
| Event | Column for wins | Factor for losses |
|---|---|---|
| NTTB-competitie of ander teamtoernooi | R1 | ×1 |
| Landelijke jeugdcompetitie | R1 | ×0.9 |
| Jeugdcompetitie van de regio | R1 | ×0.75 |
| Overig aangemeld evenement | R0 | ×0.5 |
| Toernooi, toernooileider licentie 2+ | R2 | ×1 |
| Toernooi, toernooileider licentie 3+ en bondsvertegenwoordiger | R3 | ×1 |
| Nationale Meerkampen en Ranglijsttoernooien | R4 | ×1 |
| Nederlandse Kampioenschappen en NTTB CUP | R5 | ×1 |
Worked examples
| Your rating | Matches | Change | New |
|---|---|---|---|
| 1500 | won vs 1500 | +8 | 1508 |
| 1200 | won vs 1500 | +63 | 1263 |
| 1800 | lost vs 1400 | −63 | 1737 |
| 1000 | won vs 1100, lost vs 1050 | +10 | 1010 |
Every value is a whole number. The 1 July 2026 changes dropped the bonus-point list and added doubles and other lists; the singles tables stayed as they were.
Source
Tables and weightings follow the NTTB’s “De Elo-ranglijsten toelichting en berekeningswijze” (version 1 September 2026). Every number on this page is computed with the same rules as the calculator in the app; the official rating is the one the NTTB publishes.
Work out your rating
Trainoro’s rating calculator does this for any event: pick it, enter your rating and your opponents’, mark wins and losses, and see your new rating. It runs on your phone, with no login.
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