Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lourens, J (Jurgen)

Chess SA id

110095325

FIDE id

Date of birth

2010-06-14 (U16)

Gender

Male

Region

Tshwane (GTP)

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	1259.6	1229.4	1276.7	1200
Raw rating	1259.6	1229.4	1276.7	1200
Weighted rating	1259.6	1229.4	1276.7	1200
Weighted performance	759.1	680.7	0	0
Floor	778.7	739.9	776.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.3	159	148.7	165.8
Highest rating	1311.4 2019-05-01	1252.8 2019-04-01	1317.5 2018-05-01	1200 2018-10-01
Highest raw rating	1278.7 2019-06-01	1239.9 2019-05-01	1276.7 2024-02-01	1200 2024-02-01
Highest weighted rating	1278.7 2025-06-01	1239.9 2025-06-01	1276.7 2024-04-01	1200 2018-10-01
Highest weighted performance	1311.4 2019-05-01	1252.8 2019-04-01	1317.5 2018-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1259.6	1229.4	1276.7	1200
Analysis
Rating	1259.6	1229.4	1276.7	1200
Raw rating	1259.6	1229.4	1276.7	1200
Weighted rating	1259.6	1229.4	1276.7
Weighted performance	759.1	680.7	0
K-factor	36	36	36	36
Floor	778.7	739.9	776.7	700
Max/Min rating change allowed	152.3	159	148.7	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	1259.6	1229.4	1276.7	1200
New weighted rating	1259.6	1229.4	1276.7	1200
New weighted performance	758.6	680.3	0	0
Temp new rating	1259.6	1229.4	1276.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1259.6	1229.4	1276.7	1200
New K-factor	36	36	36	36
New floor	778.7	739.9	776.7	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	12	5	7
	0	0	0
History	145	128	17

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	140	75	53.57	30.4	1095.7	1126.1
Standard	123	61.5	50	0	1087.9	1087.9
Rapid	17	13.5	79.41	250	1152.3	1402.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1259.6	1229.4	1276.7	1200
2025-09-01	1259.6	1229.4	1276.7	1200
2025-08-01	1259.6	1229.4	1276.7	1200
2025-07-01	1259.6	1229.4	1276.7	1200
2025-06-01	1259.6	1229.4	1276.7	1200
2025-05-01	1259.6	1229.4	1276.7	1200
2025-04-01	1259.6	1229.4	1276.7	1200
2025-03-01	1259.6	1229.4	1276.7	1200
2025-02-01	1259.6	1229.4	1276.7	1200
2025-01-01	1259.6	1229.4	1276.7	1200
2024-12-01	1259.6	1229.4	1276.7	1200
2024-11-01	1259.6	1229.4	1276.7	1200
2024-10-01	1259.6	1229.4	1276.7	1200
2024-09-01	1259.6	1229.4	1276.7	1200
2024-08-01	1259.6	1229.4	1276.7	1200
2024-07-01	1259.6	1229.4	1276.7	1200
2024-06-01	1259.6	1229.4	1276.7	1200
2024-08-01	1259.6	1229.4	1276.7	1200
2024-04-01	1259.6	1229.4	1276.7	1200
2024-03-01	1259.6	1229.4	1276.7	1200
2024-02-01	1259.6	1229.4	1276.7	1200
2024-01-01	1259.6	1229.4	1276.7	1200
2023-12-01	1259.6	1229.4	1276.7	1200
2023-11-01	1259.6	1229.4	1276.7	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	2023 Tshwane South School District CLOSED League Championship (U13)	2023-07-29	2023-07-29	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
2	D4 Play Offs 2022 (U13)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	D4 Individuals 2022 (U13 Open)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	4.5	Yes	Analysis
4	2020 Waterkloof Open (C)	2020-02-29	2020-03-01	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
5	2020 Constantiapark Open Chess Tournament (C)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
6	2020 Registration Tournament (C)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2019 Lardies Open (C)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
8	2019 D4 Tshwane South Schools League Team Finals (U9)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
9	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	5	Yes	Analysis
10	2019 Chris Greyling (D)	2019-04-27	2019-04-27	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
11	2019 D4 Individual Finals (U9 Mixed)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
12	2019 Blou Bul (D)	2019-02-16	2019-02-16	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
13	2019 Piet Robbertse (D)	2019-02-01	2019-02-03	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
14	2019 Tshwane Chess Registration Tournament (D)	2019-01-26	2019-01-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
15	2018 Tshwane Inter Region (U12B)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	0	Yes	Analysis
16	South African Junior Team Championships 2018 (U10B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
17	2018 Lardies Ope (D)	2018-10-27	2018-10-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	2018 Etienne Lewis Trials (U10 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	2.5	Yes	Analysis
19	2018 Mid Gauteng Open (D)	2018-08-18	2018-08-18	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
20	2018 D4 Tshwane South Schools League Finals (U9)	2018-08-03	2018-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
21	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
22	2018 Swartkop Open (D)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
23	2018 Lubowski Open (D)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
24	2018 Super 12 (Junior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
25	2018 D4 Tshwane North Individual Chess Championships (U9 Boys)	2018-03-10	2018-03-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
26	2018 Blou Bul Open (D)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
27	2018 Tshwane Registration Open Chess Tournament (E)	2018-01-27	2018-01-27	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	11	Tournament 2019 Chris Greyling				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Wilken, Z (Zander)
2	5	Tournament 2018 Swartkop Open				Tournament 2018 Menlo Open Chess Tournament
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-07-21	rnd 2	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Bhudai, A (Arman)
3	4	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Van Eeden, MJ (Michael Johannes)				Opponent Bosman, C (Carsten)

#	Games	Start				End
1	6	Tournament 2019 Chris Greyling				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Wilken, Z (Zander)
2	5	Tournament 2018 Swartkop Open				Tournament 2018 Menlo Open Chess Tournament
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-07-21	rnd 2	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Bhudai, A (Arman)
3	4	Tournament 2023 Tshwane South School District CLOSED League Championship				Tournament 2023 Tshwane South School District CLOSED League Championship
		date 2023-07-29	rnd 2	type Standard	result 1	date 2023-07-29	rnd 5	type Standard	result 1
		Opponent Van Eeden, MJ (Michael Johannes)				Opponent Bosman, C (Carsten)

#	Games	Start				End
1	7	Tournament 2018 Super 12				Tournament D4 Individuals 2022
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 1	type Rapid	result 1
		Opponent Jacobs, J (Johan)				Opponent Pryra, J (Jonathan Dillian)
2	3	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Pheiffer, C (Charl)				Opponent Bloem, R (Reinhardt)
3	3	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Botha, M (Mariska)				Opponent Van Schalkwyk, DW (Divan Willem)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament 2019 Chris Greyling				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Wilken, Z (Zander)
2	5	Tournament 2018 Swartkop Open				Tournament 2018 Menlo Open Chess Tournament
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-07-21	rnd 2	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Bhudai, A (Arman)
3	4	Tournament 2019 Piet Robbertse				Tournament 2019 Blou Bul
		date 2019-02-03	rnd 5	type Standard	result 1	date 2019-02-16	rnd 3	type Standard	result 1
		Opponent Niehaus, J (Johannes)				Opponent Pillay, M (Mishka)

#	Games	Start				End
1	6	Tournament 2019 Chris Greyling				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-04-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 1	type Standard	result 1
		Opponent Ngwenya, M (Mthandazo)				Opponent Wilken, Z (Zander)
2	5	Tournament 2018 Swartkop Open				Tournament 2018 Menlo Open Chess Tournament
		date 2018-06-23	rnd 3	type Standard	result 1	date 2018-07-21	rnd 2	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Bhudai, A (Arman)
3	4	Tournament 2019 Piet Robbertse				Tournament 2019 Blou Bul
		date 2019-02-03	rnd 5	type Standard	result 1	date 2019-02-16	rnd 3	type Standard	result 1
		Opponent Niehaus, J (Johannes)				Opponent Pillay, M (Mishka)

#	Games	Start				End
1	7	Tournament 2018 Super 12				Tournament D4 Individuals 2022
		date 2018-05-05	rnd 5	type Rapid	result 1	date 2022-04-23	rnd 1	type Rapid	result 1
		Opponent Jacobs, J (Johan)				Opponent Pryra, J (Jonathan Dillian)
2	3	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 3	type Rapid	result 1
		Opponent Botha, M (Mariska)				Opponent Van Schalkwyk, DW (Divan Willem)
3	1	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 7	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Bloem, R (Reinhardt)				Opponent Bloem, R (Reinhardt)

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	Radley ,CC (Carl Christopher)	3	3	425	3	3	425	0	0	0	0	0	0
1	Radley ,CC (Carl Christopher)	3	869.8	1294.8	3	865.1	1294.8	0	0	0	0	0	0
2	Bogaard ,FK (Franco Konrad)	3	0.5	-283.3	2	0.5	-212.5	1	0	-425	0	0	0
2	Bogaard ,FK (Franco Konrad)	3	1123.9	840.5	2	990.8	911.4	1	907.8	698.9	0	0	0
3	De Waal ,N (Nadine)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	De Waal ,N (Nadine)	2	1202	989.5	2	1178.7	989.5	0	0	0	0	0	0
4	Bezuidenhout ,DFT (Daniel Frederick Thomas)	2	1	0	2	1	0	0	0	0	0	0	0
4	Bezuidenhout ,DFT (Daniel Frederick Thomas)	2	1107.4	1107.4	2	1088.8	1107.4	0	0	0	0	0	0
5	Van Rooyen ,M (Marcel)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Van Rooyen ,M (Marcel)	2	1227	1439.5	2	1212.4	1439.5	0	0	0	0	0	0
6	Muller ,C (Christian)	2	1	0	2	1	0	0	0	0	0	0	0
6	Muller ,C (Christian)	2	1186.1	1186.1	2	1175.1	1186.1	0	0	0	0	0	0
7	Friedrich ,R (Ruhan)	2	2	425	2	2	425	0	0	0	0	0	0
7	Friedrich ,R (Ruhan)	2	658.5	1083.5	2	653	1083.5	0	0	0	0	0	0
8	Venter ,Z (Zanri)	2	1	0	2	1	0	0	0	0	0	0	0
8	Venter ,Z (Zanri)	2	1034.8	1034.8	2	1011.2	1034.8	0	0	0	0	0	0
9	Kleynhans ,JC (Jacob Cornelius)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Kleynhans ,JC (Jacob Cornelius)	2	1189.6	764.6	2	1196.8	764.6	0	0	0	0	0	0
10	Van Der Merwe ,C (Clara)	2	2	425	2	2	425	0	0	0	0	0	0
10	Van Der Merwe ,C (Clara)	2	1026.3	1451.3	2	991.6	1451.3	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

Lourens, J (Jurgen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms