Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jonker, L (Liam)

Chess SA id

1150191915

FIDE id

Date of birth

2015-06-15 (U12)

Gender

Male

Region

Sarah Baartman (ESB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1182.9	1176.7	1204	1200
Raw rating	1182.9	1176.7	1204	1200
Weighted rating	1162.3	1150	1203.7	1200
Weighted performance	0	0	0	0
Floor	700	700	704	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.9	171.4	164.9	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1216.7 2024-04-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1204 2024-05-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1204 2024-10-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1216.7 2024-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1182.9	1176.7	1204	1200
Analysis
Rating	1182.9	1176.7	1204	1200
Raw rating	1182.9	1176.7	1204	1200
Weighted rating	1162.3	1150	1203.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	704	700
Max/Min rating change allowed	169.9	171.4	164.9	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	1182.9	1176.7	1204	1200
New weighted rating	1164.1	1152.4	1203.8	1200
New weighted performance	0	0	0	0
Temp new rating	1182.9	1176.7	1204	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1182.9	1176.7	1204	1200
New K-factor	36	36	36	36
New floor	700	700	704	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	17	11	6
	0	0	0
	0	0	0
	0	0	0
History	22	16	6

Games since
	Main 22	Standard 16		Rapid 6		Blitz 0
Gender	Male
Age group	U12
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	5	3	60	85	1253	1338
Standard	5	3	60	85	1253	1338
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	22	9	40.91	-77.3	1207.5	1130.2
Standard	16	6	37.5	-106.2	1198.1	1091.9
Rapid	6	3	50	0	1232.5	1232.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1182.9	1176.7	1204	1200
2025-09-01	1182.9	1176.7	1204	1200
2025-08-01	1182.9	1176.7	1204	1200
2025-07-01	1182.9	1176.7	1204	1200
2025-06-01	1182.9	1176.7	1204	1200
2025-05-01	1182.9	1176.7	1204	1200
2025-04-01	1182.9	1176.7	1204	1200
2025-03-01	1182.9	1176.7	1204	1200
2025-02-01	1148.1	1132	1204	1200
2025-01-01	1131.3	1108.4	1204	1200
2024-12-01	1131.3	1108.4	1204	1200
2024-11-01	1131.3	1108.4	1204	1200
2024-10-01	1131.3	1108.4	1204	1200
2024-09-01	1131.3	1108.4	1204	1200
2024-08-01	1131.3	1108.4	1204	1200
2024-07-01	1131.3	1108.4	1204	1200
2024-06-01	1131.3	1108.4	1204	1200
2024-08-01	1131.3	1108.4	1204	1200
2024-04-01	1119	1108.4	1200	1200
2024-03-01	1120	1104.4	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCU Fundraiser 2025 (U11)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SBDCU Fundraiser 2025 (U11)	2025-02-01	2025-02-01	Standard	Sarah Baartman (ESB)	5	5	3	Yes	Analysis
2	Stulting Tournament 2024 (Junior)	2024-04-06	2024-04-06	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
3	SBDCU Trial 2 2024 (U10)	2024-03-23	2024-03-23	Standard	Sarah Baartman (ESB)	5	5	2	Yes	Analysis
4	SBDCU Trial 1 2024 (U10)	2024-02-24	2024-02-24	Standard	Sarah Baartman (ESB)	6	6	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Theart, C (Charl)				Opponent Kettledas, JF (Jerrin Fagan)
2	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 2	type Rapid	result 1	date 2024-04-06	rnd 4	type Rapid	result 1
		Opponent Duvenage, D (Dewald)				Opponent Terblanche, N (Nico)
3	2	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 3	type Standard	result 0.5	date 2024-02-24	rnd 4	type Standard	result 0.5
		Opponent Vermaak, R (Riaan Junior)				Opponent Du Plessis, A (Adrian)

#	Games	Start				End
1	3	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Theart, C (Charl)				Opponent Kettledas, JF (Jerrin Fagan)
2	2	Tournament SBDCU Trial 1 2024				Tournament SBDCU Trial 1 2024
		date 2024-02-24	rnd 3	type Standard	result 0.5	date 2024-02-24	rnd 4	type Standard	result 0.5
		Opponent Vermaak, R (Riaan Junior)				Opponent Du Plessis, A (Adrian)
3	1	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 2 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-03-23	rnd 4	type Standard	result 1
		Opponent Kettledas, JF (Jerrin Fagan)				Opponent Kettledas, JF (Jerrin Fagan)

#	Games	Start				End
1	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 2	type Rapid	result 1	date 2024-04-06	rnd 4	type Rapid	result 1
		Opponent Duvenage, D (Dewald)				Opponent Terblanche, N (Nico)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Theart, C (Charl)				Opponent Kettledas, JF (Jerrin Fagan)
2	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 2	type Rapid	result 1	date 2024-04-06	rnd 4	type Rapid	result 1
		Opponent Duvenage, D (Dewald)				Opponent Terblanche, N (Nico)
3	1	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 2 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-03-23	rnd 4	type Standard	result 1
		Opponent Kettledas, JF (Jerrin Fagan)				Opponent Kettledas, JF (Jerrin Fagan)

#	Games	Start				End
1	3	Tournament SBDCU Fundraiser 2025				Tournament SBDCU Fundraiser 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Theart, C (Charl)				Opponent Kettledas, JF (Jerrin Fagan)
2	1	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 2 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-03-23	rnd 4	type Standard	result 1
		Opponent Kettledas, JF (Jerrin Fagan)				Opponent Kettledas, JF (Jerrin Fagan)
3	1	Tournament SBDCU Trial 2 2024				Tournament SBDCU Trial 2 2024
		date 2024-03-23	rnd 2	type Standard	result 1	date 2024-03-23	rnd 2	type Standard	result 1
		Opponent Makade, Z (Zenande)				Opponent Makade, Z (Zenande)

#	Games	Start				End
1	3	Tournament Stulting Tournament 2024				Tournament Stulting Tournament 2024
		date 2024-04-06	rnd 2	type Rapid	result 1	date 2024-04-06	rnd 4	type Rapid	result 1
		Opponent Duvenage, D (Dewald)				Opponent Terblanche, N (Nico)

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	Vermaak ,R (Riaan Junior)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Vermaak ,R (Riaan Junior)	2	1215.3	1002.8	2	1220.4	1002.8	0	0	0	0	0	0
2	Kettledas ,JF (Jerrin Fagan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Kettledas ,JF (Jerrin Fagan)	2	1147.1	1572.1	2	1156.2	1572.1	0	0	0	0	0	0
3	Coetzee ,L (Leo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Coetzee ,L (Leo)	2	1222.2	797.2	1	1237.7	797.2	1	1200	797.2	0	0	0
4	Van Der Merwe ,R (Ruben)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Der Merwe ,R (Ruben)	1	1150.2	725.2	1	1140	725.2	0	0	0	0	0	0
5	Ndyova ,N (Nikolai Mnqobi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ndyova ,N (Nikolai Mnqobi)	1	1115.9	690.9	1	1131.6	690.9	0	0	0	0	0	0
6	Bruton ,C (Caleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bruton ,C (Caleb)	1	1458.7	1033.7	1	1451.8	1033.7	0	0	0	0	0	0
7	Slabbert ,B (Burger Francios)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Slabbert ,B (Burger Francios)	1	1363.7	938.7	1	1371.2	938.7	0	0	0	0	0	0
8	Lotter ,F (Francois Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Lotter ,F (Francois Daniel)	1	1088.1	663.1	1	1094.4	663.1	0	0	0	0	0	0
9	Du Plessis ,A (Adrian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Du Plessis ,A (Adrian)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Theart ,C (Charl)	1	1	425	1	1	425	0	0	0	0	0	0
10	Theart ,C (Charl)	1	1197.8	1622.8	1	1197.3	1622.8	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

Jonker, L (Liam)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms