Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Klerk, J (Jean-Albert)

Chess SA id

1110138588

FIDE id

Date of birth

2011-07-15 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1200.7	1170	1242	1200
Raw rating	1200.7	1170	1242	1200
Weighted rating	1200.1	1169	1242	1200
Weighted performance	0	0	0	0
Floor	727.6	700	742	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.7	173.1	156.2	165.8
Highest rating	1295.6 2022-03-01	1200 2018-10-01	1349.9 2022-03-01	1200 2018-10-01
Highest raw rating	1227.6 2022-04-01	1200 2020-01-01	1242 2024-02-01	1200 2024-02-01
Highest weighted rating	1227.6 2022-04-01	1200 2018-10-01	1242 2024-03-01	1200 2018-10-01
Highest weighted performance	1295.6 2022-03-01	1200 2020-01-01	1349.9 2022-03-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1200.7	1170	1242	1200
Analysis
Rating	1200.7	1170	1242	1200
Raw rating	1200.7	1170	1242	1200
Weighted rating	1200.1	1169	1242
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	727.6	700	742	700
Max/Min rating change allowed	165.7	173.1	156.2	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	1200.7	1170	1242	1200
New weighted rating	1200.4	1169.5	1242	1200
New weighted performance	0	0	0	0
Temp new rating	1200.7	1170	1242	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1200.7	1170	1242	1200
New K-factor	36	36	36	36
New floor	727.6	700	742	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	0	0	0
	11	5	6
	0	0	0
History	16	10	6

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
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	16	7.5	46.88	-26.6	1243.5	1216.9
Standard	10	3.5	35	-127.5	1257.4	1129.9
Rapid	6	4	66.67	141.7	1220.2	1361.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1200.7	1170	1242	1200
2025-09-30	1200.7	1170	1242	1200
2025-09-01	1200.7	1170	1242	1200
2025-08-01	1200.7	1170	1242	1200
2025-07-01	1200.7	1170	1242	1200
2025-06-01	1200.7	1170	1242	1200
2025-05-01	1200.7	1170	1242	1200
2025-04-01	1200.7	1170	1242	1200
2025-03-01	1200.7	1170	1242	1200
2025-02-01	1200.7	1170	1242	1200
2025-01-01	1200.7	1170	1242	1200
2024-12-01	1200.7	1170	1242	1200
2024-11-01	1200.7	1170	1242	1200
2024-10-01	1200.7	1170	1242	1200
2024-09-01	1200.7	1170	1242	1200
2024-08-01	1200.7	1170	1242	1200
2024-07-01	1200.7	1170	1242	1200
2024-09-01	1200.7	1170	1242	1200
2024-05-01	1200.7	1170	1242	1200
2024-04-01	1200.7	1170	1242	1200
2024-03-01	1200.7	1170	1242	1200
2024-02-01	1168.7	1120	1242	1200
2024-01-01	1168.7	1120	1242	1200
2023-12-01	1168.7	1120	1242	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	North District School Trials 2024 (U13 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	Metro WP Schools Chess Trials 2022 (U11 Boys)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis
3	District North 2022 (U11)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 6	type Rapid	result 1
		Opponent Tavonga, R (Ritchie)				Opponent Okamba, L (Lievain)
2	2	Tournament Metro WP Schools Chess Trials 2022				Tournament North District School Trials 2024
		date 2022-04-23	rnd 6	type Standard	result 0.5	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Stassen, G (Gustsav)				Opponent Tumaka, A (Ahlumile)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Mashuro, D (Devine)				Opponent Mashuro, D (Devine)

#	Games	Start				End
1	2	Tournament Metro WP Schools Chess Trials 2022				Tournament North District School Trials 2024
		date 2022-04-23	rnd 6	type Standard	result 0.5	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Stassen, G (Gustsav)				Opponent Tumaka, A (Ahlumile)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Mashuro, D (Devine)				Opponent Mashuro, D (Devine)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Yon, C (Caleb)				Opponent Yon, C (Caleb)

#	Games	Start				End
1	3	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 6	type Rapid	result 1
		Opponent Tavonga, R (Ritchie)				Opponent Okamba, L (Lievain)
2	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 1	type Rapid	result 1
		Opponent Sterley, B (Blair)				Opponent Sterley, B (Blair)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 6	type Rapid	result 1
		Opponent Tavonga, R (Ritchie)				Opponent Okamba, L (Lievain)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Mashuro, D (Devine)				Opponent Mashuro, D (Devine)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Yon, C (Caleb)				Opponent Yon, C (Caleb)

#	Games	Start				End
1	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 5	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Mashuro, D (Devine)				Opponent Mashuro, D (Devine)
2	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 3	type Standard	result 1	date 2024-02-03	rnd 3	type Standard	result 1
		Opponent Yon, C (Caleb)				Opponent Yon, C (Caleb)
3	1	Tournament North District School Trials 2024				Tournament North District School Trials 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 1	type Standard	result 1
		Opponent Tumaka, A (Ahlumile)				Opponent Tumaka, A (Ahlumile)

#	Games	Start				End
1	3	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 6	type Rapid	result 1
		Opponent Tavonga, R (Ritchie)				Opponent Okamba, L (Lievain)
2	1	Tournament District North 2022				Tournament District North 2022
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 1	type Rapid	result 1
		Opponent Sterley, B (Blair)				Opponent Sterley, B (Blair)

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	Mashuro ,D (Devine)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mashuro ,D (Devine)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Tumaka ,A (Ahlumile)	1	1	425	1	1	425	0	0	0	0	0	0
2	Tumaka ,A (Ahlumile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Lee ,S (Shakoor)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Lee ,S (Shakoor)	1	1175.8	750.8	1	1146.3	750.8	0	0	0	0	0	0
4	Yon ,C (Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
4	Yon ,C (Caleb)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Stander ,L (Loghan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stander ,L (Loghan)	1	1348.8	923.8	1	1255.2	923.8	0	0	0	0	0	0
6	Russell ,C (Christopher)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Russell ,C (Christopher)	1	1472.7	1047.7	1	1483	1047.7	0	0	0	0	0	0
7	Dadaker ,M (Mohammed)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Dadaker ,M (Mohammed)	1	1260	835	1	1232	835	0	0	0	0	0	0
8	Morrison ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Morrison ,L (Liam)	1	1212	787	1	1200	787	0	0	0	0	0	0
9	Stassen ,G (Gustsav)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Stassen ,G (Gustsav)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Faure ,D (Douglas)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Faure ,D (Douglas)	1	1305.4	880.4	1	1205.2	880.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

De Klerk, J (Jean-Albert)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms