Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bartels, J (Jonah)

Chess SA id

1100150470

FIDE id

Date of birth

2010-10-19 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1184.3	1210.8	1160.9	1200
Raw rating	1184.3	1210.8	1160.9	1200
Weighted rating	1184.1	1210.8	1160.6	1200
Weighted performance	0	0	0	0
Floor	710	710.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.6	163.3	175.3	165.8
Highest rating	1330.7 2023-02-01	1316.2 2023-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1210 2023-03-01	1210.8 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1210 2023-07-01	1210.8 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1330.7 2023-02-01	1316.2 2023-02-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1184.3	1210.8	1160.9	1200
Analysis
Rating	1184.3	1210.8	1160.9	1200
Raw rating	1184.3	1210.8	1160.9	1200
Weighted rating	1184.1	1210.8	1160.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	710	710.8	700	700
Max/Min rating change allowed	169.6	163.3	175.3	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1184.3	1210.8	1160.9	1200
New weighted rating	1184.1	1210.8	1160.7	1200
New weighted performance	0	0	0	0
Temp new rating	1184.3	1210.8	1160.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1184.3	1210.8	1160.9	1200
New K-factor	36	36	36	36
New floor	710	710.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	2	4
	0	0	0
	0	0	0
History	6	2	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	6	2	33.33	-141.7	1229.8	1088.2
Standard	2	1	50	0	1329.3	1329.3
Rapid	4	1	25	-212.5	1180.1	967.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1184.3	1210.8	1160.9	1200
2025-11-30	1184.3	1210.8	1160.9	1200
2025-11-01	1184.3	1210.8	1160.9	1200
2025-09-30	1184.3	1210.8	1160.9	1200
2025-09-01	1184.3	1210.8	1160.9	1200
2025-08-01	1184.3	1210.8	1160.9	1200
2025-07-01	1184.3	1210.8	1160.9	1200
2025-06-01	1184.3	1210.8	1160.9	1200
2025-05-01	1184.3	1210.8	1160.9	1200
2025-04-01	1184.3	1210.8	1160.9	1200
2025-03-01	1184.3	1210.8	1160.9	1200
2025-02-01	1184.3	1210.8	1160.9	1200
2025-01-01	1183.4	1210.8	1159.6	1200
2024-12-01	1183.4	1210.8	1159.6	1200
2024-11-01	1183.4	1210.8	1159.6	1200
2024-10-01	1183.4	1210.8	1159.6	1200
2024-09-01	1183.4	1210.8	1159.6	1200
2024-11-01	1183.4	1210.8	1159.6	1200
2024-07-01	1183.4	1210.8	1159.6	1200
2024-06-01	1183.4	1210.8	1159.6	1200
2024-05-01	1183.4	1210.8	1159.6	1200
2024-04-01	1183.4	1210.8	1159.6	1200
2024-03-01	1183.4	1210.8	1159.6	1200
2024-02-01	1183.4	1210.8	1159.6	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District North Top Schools Chess 2023 (U13 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	4	1	Yes	Analysis
2	North District School Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	2	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Links, T (Tyler)				Opponent Links, T (Tyler)
2	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Parker, M (Mohammed Ali)				Opponent Parker, M (Mohammed Ali)

#	Games	Start				End
1	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Parker, M (Mohammed Ali)				Opponent Parker, M (Mohammed Ali)

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Links, T (Tyler)				Opponent Links, T (Tyler)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Links, T (Tyler)				Opponent Links, T (Tyler)
2	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Parker, M (Mohammed Ali)				Opponent Parker, M (Mohammed Ali)

#	Games	Start				End
1	1	Tournament North District School Trials 2023				Tournament North District School Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Parker, M (Mohammed Ali)				Opponent Parker, M (Mohammed Ali)

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Links, T (Tyler)				Opponent Links, T (Tyler)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Stander ,L (Loghan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Stander ,L (Loghan)	1	1458.7	1033.7	1	1429.7	1033.7	0	0	0	0	0	0
2	Parker ,M (Mohammed Ali)	1	1	425	1	1	425	0	0	0	0	0	0
2	Parker ,M (Mohammed Ali)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Solomon ,N (Noah)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Solomon ,N (Noah)	1	1222	797	0	0	0	1	1277.4	797	0	0	0
4	Wilschut ,M (Marcelino)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Wilschut ,M (Marcelino)	1	1181.1	756.1	0	0	0	1	1200	756.1	0	0	0
5	Links ,T (Tyler)	1	1	425	0	0	0	1	1	425	0	0	0
5	Links ,T (Tyler)	1	1136.6	1561.6	0	0	0	1	1200	1561.6	0	0	0
6	Shiriyapenga ,J (Joey)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Shiriyapenga ,J (Joey)	1	1180.8	755.8	0	0	0	1	1179.1	755.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Bartels, J (Jonah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms