Fight Night Combat - Tiddo Siertsema

Tiddo Siertsema

Full name:	Tiddo Siertsema
Current rank:	=238th	since June 30, 2025
Highest Rank:	59th	first reached October 8, 2018 (5 weeks in total)
Highest Year-End Rank:	59th	(2018)
Titles/finals:	0/0
Elo Rating:	1404

Profile Tournaments Matches Rankings Rivalries

Elo Ratings per Match since January 2013

Choose a table: Match scores, player Elo ratings, player rankings.

A player's elo rating is considered provisional (P) until they have either completed six matches or played matches at at least three different tournaments.

The probability of winning is equal to the predicted share of points scored. A player rated 200 above another corresponds to a 76% chance of winning.

The K value is a development coefficient, and it reduces large swings in the ratings of established players. The K value reduces over time, similar to 538's elo ratings for tennis players: 250/((player's match count+15)**(0.4)))-10

Click on column headers to sort the table.

Date	Tournament	Round	Opponent	Elo Rating Player	Opponent	Difference	Share of Points Predicted	Actual	Difference	Final Result Predicted	Actual	Difference	K-Factor	Next Elo	Change
2022‑05‑26	NJF 2022	round of 16	Markus Utke	Lost	1410	1813	-403	8.9 %	0.0 %	-8.9 %	Lose	Lost	-	63	1404	-6
2019‑05‑30	NJF 2019	round of 16	Florian van der Steen	Lost	1443	1445 P	-2	49.7 %	37.5 %	-12.2 %	Lose	Lost	-	65	1410	-33
2018‑09‑29	HJW 2018	round of 8	Bas Van de Kerkhof	Lost	1465	1591	-126	32.6 %	0.0 %	-32.6 %	Lose	Lost	-	66	1443	-22
2018‑09‑29	HJW 2018	round of 16	Erwin Kronberger	Won	1443 P	1317	+126	67.4 %	55.6 %	-11.8 %	Win	Won	-	68	1465	+22
2018‑08‑02	CoastCon 2018	round of 8	Helene Hummer	Lost	1475 P	1512 P	-37	44.7 %	37.5 %	-7.2 %	Lose	Lost	-	70	1443 P	-32
2018‑05‑12	NJF 2018	round of 16	Markus Utke	Lost	1484 P	1829	-345	12.1 %	16.7 %	+4.6 %	Lose	Lost	-	72	1475 P	-9
2018‑01‑06	Dutch Juggling Championships 2018	round of 8	Jon Peat	Lost	1500 P	1724	-224	21.6 %	16.7 %	-4.9 %	Lose	Lost	-	74	1484 P	-16