Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lourens, J (Janco)

Chess SA id

110084995

FIDE id

Date of birth

2010-06-16 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1160.6	1172	1148.9	1200
Raw rating	1160.6	1172	1148.9	1200
Weighted rating	1160.5	1172	1148.6	1200
Weighted performance	776.3	0	729.1	0
Floor	709.6	718.4	719.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.4	172.6	178.3	165.8
Highest rating	1209.6 2021-08-01	1292.5 2023-02-01	1276.3 2019-08-01	1200 2018-10-01
Highest raw rating	1209.6 2020-01-01	1218.4 2023-03-01	1219.2 2020-01-01	1200 2024-02-01
Highest weighted rating	1209.6 2021-08-01	1218.4 2023-03-01	1219.2 2021-08-01	1200 2018-10-01
Highest weighted performance	1203.1 2019-08-01	1292.5 2023-02-01	1276.3 2019-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1160.6	1172	1148.9	1200
Analysis
Rating	1160.6	1172	1148.9	1200
Raw rating	1160.6	1172	1148.9	1200
Weighted rating	1160.5	1172	1148.6
Weighted performance	776.3	0	729.1
K-factor	36	36	36	36
Floor	709.6	718.4	719.2	700
Max/Min rating change allowed	175.4	172.6	178.3	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	1160.6	1172	1148.9	1200
New weighted rating	1160.5	1172	1148.6	1200
New weighted performance	775.9	0	728.7	0
Temp new rating	1160.6	1172	1148.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1160.6	1172	1148.9	1200
New K-factor	36	36	36	36
New floor	709.6	718.4	719.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	20	9	11
	11	0	11
	0	0	0
History	40	9	31

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Winelands (WCW)
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	38	15.5	40.79	-78.3	1219.3	1141
Standard	9	3.5	38.89	-94.4	1230.6	1136.2
Rapid	29	12	41.38	-73.3	1215.8	1142.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1160.6	1172	1148.9	1200
2025-09-01	1160.6	1172	1148.9	1200
2025-08-01	1160.6	1172	1148.9	1200
2025-07-01	1160.6	1172	1148.9	1200
2025-06-01	1160.6	1172	1148.9	1200
2025-05-01	1160.6	1172	1148.9	1200
2025-04-01	1160.6	1172	1148.9	1200
2025-03-01	1160.6	1172	1148.9	1200
2025-02-01	1160.6	1172	1148.9	1200
2025-01-01	1160.3	1172	1148	1200
2024-12-01	1160.3	1172	1148	1200
2024-11-01	1160.3	1172	1148	1200
2024-10-01	1160.3	1172	1148	1200
2024-09-01	1160.3	1172	1148	1200
2024-08-01	1160.3	1172	1148	1200
2024-07-01	1160.3	1172	1148	1200
2024-06-01	1160.3	1172	1148	1200
2024-08-01	1160.3	1172	1148	1200
2024-04-01	1160.3	1172	1148	1200
2024-03-01	1160.3	1172	1148	1200
2024-02-01	1160.3	1172	1148	1200
2024-01-01	1160.3	1172	1148	1200
2023-12-01	1160.3	1172	1148	1200
2023-11-01	1160.3	1172	1148	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	Stellenbosch Primary Chess Tournament 2023 (U14)	2023-08-19	2023-08-19	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	Rhenish Primary Tournament 2023 (U14)	2023-05-13	2023-05-13	Rapid	Cape Winelands (WCW)	6	5	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2023 (U13 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	4	0.5	Yes	Analysis
4	Cape Winelands Schools Chess - Trials 1 2023 (U13 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
5	Stellenbosch Primary 2022 (U13)	2022-08-13	2022-08-13	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis
6	Rhenish Primary Tournament 2022 (U14)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	1	Yes	Analysis
7	Stellenbosch Primary 2019 (U10)	2019-08-31	2019-08-31	Rapid	Cape Winelands (WCW)	7	7	4	Yes	Analysis

#	Games	Start				End
1	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Jooste, L (Liam)				Opponent Maritz, A (Ashnique)
2	2	Tournament Cape Winelands Schools Prestige 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-03-11	rnd 5	type Standard	result 0.5	date 2023-05-13	rnd 1	type Rapid	result 1
		Opponent Raubenheimer, A (Aiden)				Opponent Anthony, E (E)
3	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Julies, A (Antonio)				Opponent Van Der Westhuizen, J (Jordan)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Julies, A (Antonio)				Opponent Van Der Westhuizen, J (Jordan)
2	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 5	type Standard	result 0.5	date 2023-03-11	rnd 5	type Standard	result 0.5
		Opponent Raubenheimer, A (Aiden)				Opponent Raubenheimer, A (Aiden)
3	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Lewis, K (Kieran)				Opponent Lewis, K (Kieran)

#	Games	Start				End
1	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Jooste, L (Liam)				Opponent Maritz, A (Ashnique)
2	2	Tournament Stellenbosch Primary 2022				Tournament Stellenbosch Primary 2022
		date 2022-08-13	rnd 2	type Rapid	result 1	date 2022-08-13	rnd 3	type Rapid	result 1
		Opponent Kwanzambi, C (Christian)				Opponent Mtyingizani, M (Msa)
3	1	Tournament Rhenish Primary Tournament 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-05-13	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 5	type Rapid	result 1
		Opponent Adams, C (Chad)				Opponent Adams, C (Chad)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Jooste, L (Liam)				Opponent Maritz, A (Ashnique)
2	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Julies, A (Antonio)				Opponent Van Der Westhuizen, J (Jordan)
3	2	Tournament Stellenbosch Primary 2022				Tournament Stellenbosch Primary 2022
		date 2022-08-13	rnd 2	type Rapid	result 1	date 2022-08-13	rnd 3	type Rapid	result 1
		Opponent Kwanzambi, C (Christian)				Opponent Mtyingizani, M (Msa)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 4	type Standard	result 1	date 2023-02-18	rnd 5	type Standard	result 1
		Opponent Julies, A (Antonio)				Opponent Van Der Westhuizen, J (Jordan)
2	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Lewis, K (Kieran)				Opponent Lewis, K (Kieran)

#	Games	Start				End
1	2	Tournament Stellenbosch Primary Chess Tournament 2023				Tournament Stellenbosch Primary Chess Tournament 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 3	type Rapid	result 1
		Opponent Jooste, L (Liam)				Opponent Maritz, A (Ashnique)
2	2	Tournament Stellenbosch Primary 2022				Tournament Stellenbosch Primary 2022
		date 2022-08-13	rnd 2	type Rapid	result 1	date 2022-08-13	rnd 3	type Rapid	result 1
		Opponent Kwanzambi, C (Christian)				Opponent Mtyingizani, M (Msa)
3	1	Tournament Rhenish Primary Tournament 2023				Tournament Rhenish Primary Tournament 2023
		date 2023-05-13	rnd 5	type Rapid	result 1	date 2023-05-13	rnd 5	type Rapid	result 1
		Opponent Adams, C (Chad)				Opponent Adams, C (Chad)

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	Mqolo ,A (Awonke)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Mqolo ,A (Awonke)	2	1201.2	776.2	1	1242	776.2	1	1178.4	776.2	0	0	0
2	Jacobs ,P (Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Jacobs ,P (Pierre)	1	1227.3	802.3	1	1210.8	802.3	0	0	0	0	0	0
3	Julies ,A (Antonio)	1	1	425	1	1	425	0	0	0	0	0	0
3	Julies ,A (Antonio)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Lewis ,K (Kieran)	1	1	425	1	1	425	0	0	0	0	0	0
4	Lewis ,K (Kieran)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Neethling ,S (Sean)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Neethling ,S (Sean)	1	1385	960	1	1386.6	960	0	0	0	0	0	0
6	Hartley ,T (Thomas)	1	1	425	0	0	0	1	1	425	0	0	0
6	Hartley ,T (Thomas)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Venter ,J (Jada)	1	1	425	0	0	0	1	1	425	0	0	0
7	Venter ,J (Jada)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Anthony ,E (E)	1	1	425	0	0	0	1	1	425	0	0	0
8	Anthony ,E (E)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Jooste ,L (Liam)	1	1	425	0	0	0	1	1	425	0	0	0
9	Jooste ,L (Liam)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Kwanzambi ,C (Christian)	1	1	425	0	0	0	1	1	425	0	0	0
10	Kwanzambi ,C (Christian)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Lourens, J (Janco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms