Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lourens, J (Jason)

Chess SA id

102088543

FIDE id

Date of birth

2002-09-30 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	887	887	548.8	548.8
Raw rating	887	887	548.8	548.8
Weighted rating	886.2	886.7	548.8	548.8
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	259	259	419.3	419.3
Highest rating	1268.5 2018-02-01	1272.8 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	887 2024-02-01	887 2024-02-01	548.8 2024-02-01	548.8 2024-02-01
Highest weighted rating	887 2024-11-01	887 2024-11-01	548.8 2024-11-01	548.8 2024-11-01
Highest weighted performance	1268.5 2018-02-01	1272.8 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	887	887	548.8	548.8
Analysis
Rating	887	887	548.8	548.8
Raw rating	887	887	548.8	548.8
Weighted rating	886.2	886.7	548.8
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	259	259	419.3	419.3
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	887	887	548.8	548.8
New weighted rating	886.7	886.9	548.8	548.8
New weighted performance	0	0	0	0
Temp new rating	887	887	548.8	548.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	887	887	548.8	548.8
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	34	34

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	19	10	52.63	22.4	1070.4	1092.8
Standard	19	10	52.63	22.4	1070.4	1092.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	887	887	548.8	548.8
2025-09-01	887	887	548.8	548.8
2025-08-01	887	887	548.8	548.8
2025-07-01	887	887	548.8	548.8
2025-06-01	887	887	548.8	548.8
2025-05-01	887	887	548.8	548.8
2025-04-01	887	887	548.8	548.8
2025-03-01	887	887	548.8	548.8
2025-02-01	887	887	548.8	548.8
2025-01-01	887	887	548.8	548.8
2024-12-01	887	887	548.8	548.8
2024-11-01	887	887	548.8	548.8
2024-10-01	887	887	548.8	548.8
2024-09-01	887	887	548.8	548.8
2024-08-01	887	887	548.8	548.8
2024-07-01	887	887	548.8	548.8
2024-06-01	887	887	548.8	548.8
2024-08-01	887	887	548.8	548.8
2024-04-01	887	887	548.8	548.8
2024-03-01	887	887	548.8	548.8
2024-02-01	887	887	548.8	548.8
2024-01-01	887	887	548.8	548.8
2023-12-01	805.1	853.2	548.8	548.8
2023-11-01	805.1	853.2	548.8	548.8

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	2019 Gauteng School League Finals (U17 Open)	2019-08-24	2019-08-24	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	2018 Gauteng League Final (U17)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	D10 Schools Individuals 2018 (U18 Boys)	2018-05-18	2018-05-18	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Grey College Inter Team Chess Tournament 2018 (B)	2018-02-23	2018-02-24	Standard	Mangaung (FMB)	5	4	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 4	type Standard	result 1	date 2019-08-24	rnd 5	type Standard	result 1
		Opponent Mfulathelwa, S (Siclelo)				Opponent Makwabe, V (Vuyo)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-23	rnd 1	type Standard	result 1	date 2018-02-23	rnd 2	type Standard	result 1
		Opponent Ndaba, B (Bonga)				Opponent Havenga, CJ (Christie Johanna)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 2	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Greeff, D (Dylon)				Opponent Greeff, D (Dylon)

#	Games	Start				End
1	2	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 4	type Standard	result 1	date 2019-08-24	rnd 5	type Standard	result 1
		Opponent Mfulathelwa, S (Siclelo)				Opponent Makwabe, V (Vuyo)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-23	rnd 1	type Standard	result 1	date 2018-02-23	rnd 2	type Standard	result 1
		Opponent Ndaba, B (Bonga)				Opponent Havenga, CJ (Christie Johanna)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 2	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Greeff, D (Dylon)				Opponent Greeff, D (Dylon)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 4	type Standard	result 1	date 2019-08-24	rnd 5	type Standard	result 1
		Opponent Mfulathelwa, S (Siclelo)				Opponent Makwabe, V (Vuyo)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-23	rnd 1	type Standard	result 1	date 2018-02-23	rnd 2	type Standard	result 1
		Opponent Ndaba, B (Bonga)				Opponent Havenga, CJ (Christie Johanna)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 2	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Greeff, D (Dylon)				Opponent Greeff, D (Dylon)

#	Games	Start				End
1	2	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 4	type Standard	result 1	date 2019-08-24	rnd 5	type Standard	result 1
		Opponent Mfulathelwa, S (Siclelo)				Opponent Makwabe, V (Vuyo)
2	2	Tournament Grey College Inter Team Chess Tournament 2018				Tournament Grey College Inter Team Chess Tournament 2018
		date 2018-02-23	rnd 1	type Standard	result 1	date 2018-02-23	rnd 2	type Standard	result 1
		Opponent Ndaba, B (Bonga)				Opponent Havenga, CJ (Christie Johanna)
3	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-24	rnd 2	type Standard	result 1	date 2019-08-24	rnd 2	type Standard	result 1
		Opponent Greeff, D (Dylon)				Opponent Greeff, D (Dylon)

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	Greeff ,D (Dylon)	1	1	425	1	1	425	0	0	0	0	0	0
1	Greeff ,D (Dylon)	1	1217	1642	1	1220	1642	0	0	0	0	0	0
2	Mbava ,F (Fezekile)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mbava ,F (Fezekile)	1	1280.4	855.4	1	1287	855.4	0	0	0	0	0	0
3	Mercer ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mercer ,M (Michael)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Nkambule ,N (Ngobile)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nkambule ,N (Ngobile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mugodo ,M (Muneiwa)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mugodo ,M (Muneiwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Zwane ,W (Wayne)	1	1	425	1	1	425	0	0	0	0	0	0
6	Zwane ,W (Wayne)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ndaba ,B (Bonga)	1	1	425	1	1	425	0	0	0	0	0	0
7	Ndaba ,B (Bonga)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Bibb ,J (Jeremy)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bibb ,J (Jeremy)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Phakathi ,S (Sandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Phakathi ,S (Sandile)	1	1058.2	633.2	1	1058.2	633.2	0	0	0	0	0	0
10	Mangena ,K (Koketso)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mangena ,K (Koketso)	1	550.6	125.6	1	550.6	125.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Lourens, J (Jason)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms