Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Klerk, J (Jeandre)

Chess SA id

1000111498

FIDE id

Date of birth

2000-02-10 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1343.2	1356.6	1200	1200
Raw rating	1343.2	1356.6	1200	1200
Weighted rating	1339.6	1353.5	1200	1200
Weighted performance	587.1	586.7	0	0
Floor	843.2	856.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.2	132.7	165.8	165.8
Highest rating	1381.7 2019-07-01	1383.8 2019-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1343.2 2024-09-01	1356.6 2024-09-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1337 2025-08-01	1351.2 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1381.7 2019-07-01	1383.8 2019-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1343.2	1356.6	1200	1200
Analysis
Rating	1343.2	1356.6	1200	1200
Raw rating	1343.2	1356.6	1200	1200
Weighted rating	1339.6	1353.5	1200
Weighted performance	587.1	586.7	0
K-factor	36	36	36	36
Floor	843.2	856.6	700	700
Max/Min rating change allowed	135.2	132.7	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	1343.2	1356.6	1200	1200
New weighted rating	1340.4	1354.1	1200	1200
New weighted performance	578.9	578.5	0	0
Temp new rating	1343.2	1356.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1343.2	1356.6	1200	1200
New K-factor	36	36	36	36
New floor	843.2	856.6	700	700

Item	Main	Standard
	0	0
	0	0
	5	5
	0	0
	0	0
	0	0
History	30	30

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	30	17	56.67	56.7	1314	1370.6
Standard	30	17	56.67	56.7	1314	1370.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1343.2	1356.6	1200	1200
2025-09-30	1343.2	1356.6	1200	1200
2025-09-01	1343.2	1356.6	1200	1200
2025-08-01	1343.2	1356.6	1200	1200
2025-07-01	1343.2	1356.6	1200	1200
2025-06-01	1343.2	1356.6	1200	1200
2025-05-01	1343.2	1356.6	1200	1200
2025-04-01	1343.2	1356.6	1200	1200
2025-03-01	1343.2	1356.6	1200	1200
2025-02-01	1343.2	1356.6	1200	1200
2025-01-01	1343.2	1356.6	1200	1200
2024-12-01	1343.2	1356.6	1200	1200
2024-11-01	1343.2	1356.6	1200	1200
2024-10-01	1343.2	1356.6	1200	1200
2024-09-01	1343.2	1356.6	1200	1200
2024-08-01	1319.5	1335.7	1200	1200
2024-07-01	1319.5	1335.7	1200	1200
2024-09-01	1319.5	1335.7	1200	1200
2024-05-01	1319.5	1335.7	1200	1200
2024-04-01	1319.5	1335.7	1200	1200
2024-03-01	1319.5	1335.7	1200	1200
2024-02-01	1319.5	1335.7	1200	1200
2024-01-01	1319.5	1335.7	1200	1200
2023-12-01	1319.5	1335.7	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	NMB Open 2024 (A)	2024-08-02	2024-08-04	Standard	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis
2	NMBYCC Closed 2019 (U20)	2019-07-26	2019-07-27	Standard	Nelson Mandela Bay (ENM)	6	5	3.5	Yes	Analysis
3	NMBJCU Trials 3 2019 (U20)	2019-05-10	2019-05-11	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
4	Nelson Mandela Bay Junior Chess Trials 2 2019 (U20)	2019-04-05	2019-04-06	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
5	2019 Boardwalk Pearson Open (Open)	2019-03-28	2019-03-31	Standard	Nelson Mandela Bay (ENM)	9	9	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament NMBJCU Trials 3 2019				Tournament NMBYCC Closed 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Bain, J (Jonathan)				Opponent Ngobese, S (Samkelo)
2	4	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-05-10	rnd 1	type Standard	result 1
		Opponent Rossouw, E (Earnil)				Opponent Boateng, E (Emmanual)
3	3	Tournament NMBYCC Closed 2019				Tournament NMB Open 2024
		date 2019-07-27	rnd 4	type Standard	result 0.5	date 2024-08-02	rnd 1	type Standard	result 1
		Opponent Davids, T (Taariq)				Opponent Kapp, S (Sebastian)

#	Games	Start				End
1	5	Tournament NMBJCU Trials 3 2019				Tournament NMBYCC Closed 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Bain, J (Jonathan)				Opponent Ngobese, S (Samkelo)
2	4	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-05-10	rnd 1	type Standard	result 1
		Opponent Rossouw, E (Earnil)				Opponent Boateng, E (Emmanual)
3	3	Tournament NMBYCC Closed 2019				Tournament NMB Open 2024
		date 2019-07-27	rnd 4	type Standard	result 0.5	date 2024-08-02	rnd 1	type Standard	result 1
		Opponent Davids, T (Taariq)				Opponent Kapp, S (Sebastian)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-05-10	rnd 1	type Standard	result 1
		Opponent Rossouw, E (Earnil)				Opponent Boateng, E (Emmanual)
2	3	Tournament NMBJCU Trials 3 2019				Tournament NMBYCC Closed 2019
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Moos, X (Xavier)				Opponent Ngobese, S (Samkelo)
3	2	Tournament NMBYCC Closed 2019				Tournament NMB Open 2024
		date 2019-07-27	rnd 6	type Standard	result 1	date 2024-08-02	rnd 1	type Standard	result 1
		Opponent Bain, J (Jonathan)				Opponent Kapp, S (Sebastian)

#	Games	Start				End
1	4	Tournament Nelson Mandela Bay Junior Chess Trials 2 2019				Tournament NMBJCU Trials 3 2019
		date 2019-04-06	rnd 4	type Standard	result 1	date 2019-05-10	rnd 1	type Standard	result 1
		Opponent Rossouw, E (Earnil)				Opponent Boateng, E (Emmanual)
2	3	Tournament NMBJCU Trials 3 2019				Tournament NMBYCC Closed 2019
		date 2019-05-11	rnd 5	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Moos, X (Xavier)				Opponent Ngobese, S (Samkelo)
3	2	Tournament NMBYCC Closed 2019				Tournament NMB Open 2024
		date 2019-07-27	rnd 6	type Standard	result 1	date 2024-08-02	rnd 1	type Standard	result 1
		Opponent Bain, J (Jonathan)				Opponent Kapp, S (Sebastian)

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	Ngobese ,S (Samkelo)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Ngobese ,S (Samkelo)	3	1177.7	1461	3	1175.7	1461	0	0	0	0	0	0
2	Banks ,DA (Delano Arthur)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Banks ,DA (Delano Arthur)	3	1468.5	1043.5	3	1485.4	1043.5	0	0	0	0	0	0
3	Bain ,J (Jonathan)	3	3	425	3	3	425	0	0	0	0	0	0
3	Bain ,J (Jonathan)	3	1283.3	1708.3	3	1284.6	1708.3	0	0	0	0	0	0
4	Kettledas ,DT (Danielle Thandi)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Kettledas ,DT (Danielle Thandi)	2	1080.6	1293.1	2	1088.9	1293.1	0	0	0	0	0	0
5	Van Der Merwe ,G (Gustav)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Van Der Merwe ,G (Gustav)	1	1114.4	1114.4	1	1115.7	1114.4	0	0	0	0	0	0
6	Davids ,T (Taariq)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Davids ,T (Taariq)	1	1246.9	1246.9	1	1233	1246.9	0	0	0	0	0	0
7	Chipunza ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Chipunza ,J (James)	1	1715.6	1290.6	1	1706.1	1290.6	0	0	0	0	0	0
8	Moos ,X (Xavier)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moos ,X (Xavier)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Kivido ,Z (Zach)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kivido ,Z (Zach)	1	1140.9	1565.9	1	1123.1	1565.9	0	0	0	0	0	0
10	Rossouw ,E (Earnil)	1	1	425	1	1	425	0	0	0	0	0	0
10	Rossouw ,E (Earnil)	1	510.8	935.8	1	510.8	935.8	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

De Klerk, J (Jeandre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms