Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jonck, U (Udo)

Chess SA id

101014243

FIDE id

Date of birth

2001-05-17 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1156.4	1146.4	1113.5	1113.5
Raw rating	1156.4	1146.4	1113.5	1113.5
Weighted rating	1156.4	1146.4	1113.5	1113.5
Weighted performance	111	110	0	0
Floor	656.4	646.4	613.5	613.5
K-factor	40	40	40	40
Min/Max rating change allowed	176.4	179	187.6	187.6
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1156.4 2024-03-01	1146.4 2024-03-01	1113.5 2024-03-01	1113.5 2024-03-01
Highest weighted rating	1156.4 2024-11-01	1146.4 2024-11-01	1113.5 2024-11-01	1113.5 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1156.4	1146.4	1113.5	1113.5
Analysis
Rating	1156.4	1146.4	1113.5	1113.5
Raw rating	1156.4	1146.4	1113.5	1113.5
Weighted rating	1156.4	1146.4	1113.5
Weighted performance	111	110	0
K-factor	40	40	40	40
Floor	656.4	646.4	613.5	613.5
Max/Min rating change allowed	176.4	179	187.6	187.6
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	1156.4	1146.4	1113.5	1113.5
New weighted rating	1156.4	1146.4	1113.5	1113.5
New weighted performance	110.6	109.6	0	0
Temp new rating	1156.4	1146.4	1113.5	1113.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1156.4	1146.4	1113.5	1113.5
New K-factor	40	40	40	40
New floor	656.4	646.4	613.5	613.5

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	228	194	34

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	32	20	62.5	106.2	994	1100.3
Standard	32	20	62.5	106.2	994	1100.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1156.4	1146.4	1113.5	1113.5
2025-09-01	1156.4	1146.4	1113.5	1113.5
2025-08-01	1156.4	1146.4	1113.5	1113.5
2025-07-01	1156.4	1146.4	1113.5	1113.5
2025-06-01	1156.4	1146.4	1113.5	1113.5
2025-05-01	1156.4	1146.4	1113.5	1113.5
2025-04-01	1156.4	1146.4	1113.5	1113.5
2025-03-01	1156.4	1146.4	1113.5	1113.5
2025-02-01	1156.4	1146.4	1113.5	1113.5
2025-01-01	1156.4	1146.4	1113.5	1113.5
2024-12-01	1156.4	1146.4	1113.5	1113.5
2024-11-01	1156.4	1146.4	1113.5	1113.5
2024-10-01	1156.4	1146.4	1113.5	1113.5
2024-09-01	1156.4	1146.4	1113.5	1113.5
2024-08-01	1156.4	1146.4	1113.5	1113.5
2024-07-01	1156.4	1146.4	1113.5	1113.5
2024-06-01	1156.4	1146.4	1113.5	1113.5
2024-08-01	1156.4	1146.4	1113.5	1113.5
2024-04-01	1156.4	1146.4	1113.5	1113.5
2024-03-01	1156.4	1146.4	1113.5	1113.5
2024-02-01	1156.4	1146.4	1113.5	1113.5
2024-01-01	1156.4	1146.4	1113.5	1113.5
2023-12-01	1156.4	1146.4	1113.5	1113.5
2023-11-01	1156.4	1146.4	1113.5	1113.5

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	Western Cape Top Schools 2018 (U17 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
2	Eden Top Schools 2018 (U17 Mix)	2018-07-28	2018-07-28	Standard	Eden (WEG)	5	4	4	Yes	Analysis
3	EDENSC Closed 3 2018 (U18 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
4	EDENSC Closed 2 2018 (U18 (Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	3	Yes	Analysis
5	EDENSC Closed 1 2018 (U18)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	George Trails 2 2018 (U18)	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	4	2	Yes	Analysis
7	George Trails 1 2018 (U18)	2018-01-27	2018-01-27	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Eden Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-07-28	rnd 1	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 0.5
		Opponent George, B (Bazil)				Opponent Mercuur, L (Logan)
2	7	Tournament George Trails 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-01-27	rnd 5	type Standard	result 0.5	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Rhode, J (Jadrique)				Opponent October, J (Juvaan)
3	3	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 1	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 0.5
		Opponent Smit, Y (Yuwin)				Opponent Gilbert, C (Cheslyn)

#	Games	Start				End
1	8	Tournament Eden Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-07-28	rnd 1	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 0.5
		Opponent George, B (Bazil)				Opponent Mercuur, L (Logan)
2	7	Tournament George Trails 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-01-27	rnd 5	type Standard	result 0.5	date 2018-03-10	rnd 2	type Standard	result 1
		Opponent Rhode, J (Jadrique)				Opponent October, J (Juvaan)
3	3	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 1	type Standard	result 1	date 2018-05-12	rnd 3	type Standard	result 0.5
		Opponent Smit, Y (Yuwin)				Opponent Gilbert, C (Cheslyn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Eden Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-07-28	rnd 1	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent George, B (Bazil)				Opponent Abrahams, T (Taahirah)
2	2	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 1	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Smit, Y (Yuwin)				Opponent Bush, P (Pernill)
3	2	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 2 2018
		date 2018-04-14	rnd 1	type Standard	result 1	date 2018-04-14	rnd 2	type Standard	result 1
		Opponent Opperman, J (Junaid)				Opponent Koopman, J (Jaydim)

#	Games	Start				End
1	6	Tournament Eden Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-07-28	rnd 1	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent George, B (Bazil)				Opponent Abrahams, T (Taahirah)
2	2	Tournament EDENSC Closed 3 2018				Tournament EDENSC Closed 3 2018
		date 2018-05-12	rnd 1	type Standard	result 1	date 2018-05-12	rnd 2	type Standard	result 1
		Opponent Smit, Y (Yuwin)				Opponent Bush, P (Pernill)
3	2	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 2 2018
		date 2018-04-14	rnd 1	type Standard	result 1	date 2018-04-14	rnd 2	type Standard	result 1
		Opponent Opperman, J (Junaid)				Opponent Koopman, J (Jaydim)

No games found.

#	Games	Start				End

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	Gilbert ,C (Cheslyn)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Gilbert ,C (Cheslyn)	3	1102.7	961	3	1106.6	961	0	0	0	0	0	0
2	Barrett ,S (Sean)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Barrett ,S (Sean)	2	1342.6	917.6	2	1339.8	917.6	0	0	0	0	0	0
3	George ,B (Bazil)	1	1	425	1	1	425	0	0	0	0	0	0
3	George ,B (Bazil)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Koopman ,J (Jaydim)	1	1	425	1	1	425	0	0	0	0	0	0
4	Koopman ,J (Jaydim)	1	1074.5	1499.5	1	1053.2	1499.5	0	0	0	0	0	0
5	Stevens ,R (Rubenique)	1	1	425	1	1	425	0	0	0	0	0	0
5	Stevens ,R (Rubenique)	1	716.5	1141.5	1	705.7	1141.5	0	0	0	0	0	0
6	Bown ,H (Hyrone)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Bown ,H (Hyrone)	1	1076.5	1076.5	1	1076.9	1076.5	0	0	0	0	0	0
7	Mercuur ,L (Logan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Mercuur ,L (Logan)	1	848.7	848.7	1	780.4	848.7	0	0	0	0	0	0
8	October ,J (Juvaan)	1	1	425	1	1	425	0	0	0	0	0	0
8	October ,J (Juvaan)	1	685.2	1110.2	1	703.8	1110.2	0	0	0	0	0	0
9	Smit ,Y (Yuwin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Smit ,Y (Yuwin)	1	1105.4	1530.4	1	1086	1530.4	0	0	0	0	0	0
10	Daniels ,M (Melicia)	1	1	425	1	1	425	0	0	0	0	0	0
10	Daniels ,M (Melicia)	1	776.8	1201.8	1	776.8	1201.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jonck, U (Udo)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms