Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lourens, E (Edrich)

Chess SA id

107073047

FIDE id

Date of birth

2007-10-17 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	872.8	855.6	1200	1200
Raw rating	872.8	855.6	1200	1200
Weighted rating	872.8	855.6	1200	1200
Weighted performance	107.1	106.6	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	264.3	270.8	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	872.8	855.6	1200	1200
Analysis
Rating	872.8	855.6	1200	1200
Raw rating	872.8	855.6	1200	1200
Weighted rating	872.8	855.6	1200
Weighted performance	107.1	106.6	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	264.3	270.8	165.8	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	872.8	855.6	1200	1200
New weighted rating	872.8	855.6	1200	1200
New weighted performance	106.8	106.3	0	0
Temp new rating	872.8	855.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	872.8	855.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	58	58

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	43	14	32.56	-148.3	1006	857.8
Standard	43	14	32.56	-148.3	1006	857.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	872.8	855.6	1200	1200
2025-09-01	872.8	855.6	1200	1200
2025-08-01	872.8	855.6	1200	1200
2025-07-01	872.8	855.6	1200	1200
2025-06-01	872.8	855.6	1200	1200
2025-05-01	872.8	855.6	1200	1200
2025-04-01	872.8	855.6	1200	1200
2025-03-01	872.8	855.6	1200	1200
2025-02-01	872.8	855.6	1200	1200
2025-01-01	872.8	855.6	1200	1200
2024-12-01	872.8	855.6	1200	1200
2024-11-01	872.8	855.6	1200	1200
2024-10-01	872.8	855.6	1200	1200
2024-09-01	872.8	855.6	1200	1200
2024-08-01	872.8	855.6	1200	1200
2024-07-01	872.8	855.6	1200	1200
2024-06-01	872.8	855.6	1200	1200
2024-08-01	872.8	855.6	1200	1200
2024-04-01	872.8	855.6	1200	1200
2024-03-01	872.8	855.6	1200	1200
2024-02-01	872.8	855.6	1200	1200
2024-01-01	872.8	855.6	1200	1200
2023-12-01	872.8	855.6	1200	1200
2023-11-01	872.8	855.6	1200	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	2018 Tshwane Inter Region (U14C)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	0	Yes	Analysis
2	South African Junior Team Championships 2018 (U12C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
3	2018 Etienne Lewis Trials (U12 Boys)	2018-08-31	2018-09-02	Standard	Tshwane (GTP)	7	7	1	Yes	Analysis
4	2018 Mid Gauteng Open (D)	2018-08-18	2018-08-18	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
5	2018 Menlo Open Chess Tournament (D)	2018-07-21	2018-07-21	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2018 Swartkop Open (E)	2018-06-23	2018-06-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
7	2018 Lubowski Open (D)	2018-05-12	2018-05-12	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
8	2018 Blou Bul Open (E)	2018-02-17	2018-02-17	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent De Klerk, AJ (Abraham Jacobus)				Opponent Barnard, M (Martin)
2	2	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Menlo Open Chess Tournament
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Danika)				Opponent Smith, LM (Luhane)
3	2	Tournament 2018 Lubowski Open				Tournament 2018 Lubowski Open
		date 2018-05-12	rnd 3	type Standard	result 0.5	date 2018-05-12	rnd 4	type Standard	result 1
		Opponent Alberts, A (Anika)				Opponent Steyn, K (Kasey)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent De Klerk, AJ (Abraham Jacobus)				Opponent Barnard, M (Martin)
2	2	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Menlo Open Chess Tournament
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Danika)				Opponent Smith, LM (Luhane)
3	2	Tournament 2018 Lubowski Open				Tournament 2018 Lubowski Open
		date 2018-05-12	rnd 3	type Standard	result 0.5	date 2018-05-12	rnd 4	type Standard	result 1
		Opponent Alberts, A (Anika)				Opponent Steyn, K (Kasey)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent De Klerk, AJ (Abraham Jacobus)				Opponent Fourie, T (Tristan)
2	2	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Menlo Open Chess Tournament
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Danika)				Opponent Smith, LM (Luhane)
3	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Barnard, M (Martin)

#	Games	Start				End
1	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-16	rnd 2	type Standard	result 1
		Opponent De Klerk, AJ (Abraham Jacobus)				Opponent Fourie, T (Tristan)
2	2	Tournament 2018 Menlo Open Chess Tournament				Tournament 2018 Menlo Open Chess Tournament
		date 2018-07-21	rnd 3	type Standard	result 1	date 2018-07-21	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Danika)				Opponent Smith, LM (Luhane)
3	1	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Barnard, M (Martin)				Opponent Barnard, M (Martin)

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	Amrouni ,A (Alexia Shakira)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Amrouni ,A (Alexia Shakira)	2	1150.2	725.2	2	1140.6	725.2	0	0	0	0	0	0
2	Meades ,E (Else-Mari)	1	1	425	1	1	425	0	0	0	0	0	0
2	Meades ,E (Else-Mari)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Lotter ,AJ (Albertus Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lotter ,AJ (Albertus Johannes)	1	810.9	385.9	1	812.2	385.9	0	0	0	0	0	0
4	De Waal ,N (Nadine)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	De Waal ,N (Nadine)	1	1171.5	746.5	1	1163.9	746.5	0	0	0	0	0	0
5	Pretorius ,WM (Willem)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Pretorius ,WM (Willem)	1	1084	659	1	1060.3	659	0	0	0	0	0	0
6	Behr ,S (Stesha)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Behr ,S (Stesha)	1	1238.5	1238.5	1	1245.6	1238.5	0	0	0	0	0	0
7	Volschenk ,OE (Owen Eugene)	1	1	425	1	1	425	0	0	0	0	0	0
7	Volschenk ,OE (Owen Eugene)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	De Wet ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Wet ,J (James)	1	1088.9	663.9	1	1084.3	663.9	0	0	0	0	0	0
9	Murray ,C (Chris)	1	1	425	1	1	425	0	0	0	0	0	0
9	Murray ,C (Chris)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Seela ,S (Saishen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Seela ,S (Saishen)	1	977.2	552.2	1	978.9	552.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Lourens, E (Edrich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms