Chess South Africa Ratings Database

PLAYER PAGE

Personal

Anderson, J (Jean)

Chess SA id

1130138955

FIDE id

Date of birth

2013-07-31 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1339.9	1237.2	1396.7	1200
Raw rating	1339.9	1237.2	1396.7	1200
Weighted rating	1339.9	1237.2	1396.7	1200
Weighted performance	934.6	845.4	943	0
Floor	839.9	749.8	896.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.9	157.3	125.3	165.8
Highest rating	1357.1 2023-10-01	1249.8 2023-03-01	1481.3 2022-05-01	1200 2018-10-01
Highest raw rating	1339.9 2024-02-01	1249.8 2023-03-01	1396.7 2024-02-01	1200 2024-02-01
Highest weighted rating	1339.9 2025-08-01	1237.2 2025-08-01	1396.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1357.1 2023-10-01	1212.2 2023-02-01	1481.3 2022-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1339.9	1237.2	1396.7	1200
Analysis
Rating	1339.9	1237.2	1396.7	1200
Raw rating	1339.9	1237.2	1396.7	1200
Weighted rating	1339.9	1237.2	1396.7
Weighted performance	934.6	845.4	943
K-factor	36	36	36	36
Floor	839.9	749.8	896.7	700
Max/Min rating change allowed	135.9	157.3	125.3	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	1339.9	1237.2	1396.7	1200
New weighted rating	1339.9	1237.2	1396.7	1200
New weighted performance	927	838.1	935	0
Temp new rating	1339.9	1237.2	1396.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1339.9	1237.2	1396.7	1200
New K-factor	36	36	36	36
New floor	839.9	749.8	896.7	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	38	18	20
	38	22	16
	0	0	0
History	76	40	36

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	76	46	60.53	89.5	1240.2	1329.7
Standard	40	20	50	0	1257.1	1257.1
Rapid	36	26	72.22	188.9	1221.5	1410.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1339.9	1237.2	1396.7	1200
2025-09-30	1339.9	1237.2	1396.7	1200
2025-09-01	1339.9	1237.2	1396.7	1200
2025-08-01	1339.9	1237.2	1396.7	1200
2025-07-01	1339.9	1237.2	1396.7	1200
2025-06-01	1339.9	1237.2	1396.7	1200
2025-05-01	1339.9	1237.2	1396.7	1200
2025-04-01	1339.9	1237.2	1396.7	1200
2025-03-01	1339.9	1237.2	1396.7	1200
2025-02-01	1339.9	1237.2	1396.7	1200
2025-01-01	1339.9	1237.2	1396.7	1200
2024-12-01	1339.9	1237.2	1396.7	1200
2024-11-01	1339.9	1237.2	1396.7	1200
2024-10-01	1339.9	1237.2	1396.7	1200
2024-09-01	1339.9	1237.2	1396.7	1200
2024-08-01	1339.9	1237.2	1396.7	1200
2024-07-01	1339.9	1237.2	1396.7	1200
2024-09-01	1339.9	1237.2	1396.7	1200
2024-05-01	1339.9	1237.2	1396.7	1200
2024-04-01	1339.9	1237.2	1396.7	1200
2024-03-01	1339.9	1237.2	1396.7	1200
2024-02-01	1339.9	1237.2	1396.7	1200
2024-01-01	1339.9	1237.2	1396.7	1200
2023-12-01	1339.9	1237.2	1396.7	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	De Hoop Chess Championship 2023 (U10)	2023-10-14	2023-10-14	Rapid	Cape Town (WCT)	5	4	3	Yes	Analysis
2	Western Cape Top Schools 2023 (U11 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	4	Yes	Analysis
3	CT Metro District East Top Schools Chess 2023 (U11 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	5	5	Yes	Analysis
4	Rhenish Primary Tournament 2023 (U12)	2023-05-13	2023-05-13	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
5	Cape Town Metro Schools Chess Closed Individuals 2023 (U11 Boys)	2023-03-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
6	District East Schools Chess Individual Trials 2023 (U11 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
7	De Hoop Teams Play Offs 2023 (U11 Mixed)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
8	Metro Rapid 2022 (U9 Boys)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
9	Western Cape Top Schools 2022 (U9 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
10	Steinitz Open 2022 (D)	2022-05-21	2022-05-22	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
11	Western Cape Schools 2022 (U9 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
12	Rhenish Primary Tournament 2022 (U10)	2022-05-14	2022-05-14	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
13	Metro WP Schools Chess Trials 2022 (U7+U9 Boys)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
14	2022 East Dist Individuals (U9)	2022-03-12	2022-03-12	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Rhenish Primary Tournament 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-05-13	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 7	type Rapid	result 1
		Opponent Sprout, E (Elansje)				Opponent Ngada, Y (Yonipha)
2	6	Tournament Rhenish Primary Tournament 2022				Tournament Steinitz Open 2022
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-21	rnd 1	type Standard	result 1
		Opponent Nagel, A (Alexander)				Opponent Xabadiya, N (Nizibone)
3	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 2	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Buys, L (Louwen)				Opponent Du Preez, Z (Zolani)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 2	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Buys, L (Louwen)				Opponent Du Preez, Z (Zolani)
2	3	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Gxogxa, K (Khoyane)				Opponent Arendse, V (Virgil)
3	3	Tournament Steinitz Open 2022				Tournament Western Cape Schools 2022
		date 2022-05-22	rnd 6	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Esterhuizen, E (Ethan)				Opponent Pieters, A (Aj)

#	Games	Start				End
1	11	Tournament Rhenish Primary Tournament 2023				Tournament De Hoop Chess Championship 2023
		date 2023-05-13	rnd 4	type Rapid	result 1	date 2023-10-14	rnd 4	type Rapid	result 1
		Opponent Sprout, E (Elansje)				Opponent Rommelmann, L (Liezl-Marie)
2	7	Tournament Rhenish Primary Tournament 2022				Tournament Metro Rapid 2022
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Nagel, A (Alexander)				Opponent Louw, L (Lukas)
3	3	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 3	type Rapid	result 1	date 2022-03-12	rnd 5	type Rapid	result 1
		Opponent Pikela, M (Musa)				Opponent Mvulana, L (Luthando)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Rhenish Primary Tournament 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-05-13	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 7	type Rapid	result 1
		Opponent Sprout, E (Elansje)				Opponent Ngada, Y (Yonipha)
2	6	Tournament Rhenish Primary Tournament 2022				Tournament Steinitz Open 2022
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-05-21	rnd 1	type Standard	result 1
		Opponent Nagel, A (Alexander)				Opponent Xabadiya, N (Nizibone)
3	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 2	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Buys, L (Louwen)				Opponent Du Preez, Z (Zolani)

#	Games	Start				End
1	4	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 2	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Buys, L (Louwen)				Opponent Du Preez, Z (Zolani)
2	3	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Gxogxa, K (Khoyane)				Opponent Arendse, V (Virgil)
3	3	Tournament Steinitz Open 2022				Tournament Western Cape Schools 2022
		date 2022-05-22	rnd 6	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Esterhuizen, E (Ethan)				Opponent Pieters, A (Aj)

#	Games	Start				End
1	11	Tournament Rhenish Primary Tournament 2023				Tournament De Hoop Chess Championship 2023
		date 2023-05-13	rnd 4	type Rapid	result 1	date 2023-10-14	rnd 4	type Rapid	result 1
		Opponent Sprout, E (Elansje)				Opponent Rommelmann, L (Liezl-Marie)
2	7	Tournament Rhenish Primary Tournament 2022				Tournament Metro Rapid 2022
		date 2022-05-14	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Nagel, A (Alexander)				Opponent Louw, L (Lukas)
3	3	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-12	rnd 3	type Rapid	result 1	date 2022-03-12	rnd 5	type Rapid	result 1
		Opponent Pikela, M (Musa)				Opponent Mvulana, L (Luthando)

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	Donker ,J (Jesse)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Donker ,J (Jesse)	2	1311.4	886.4	2	1267.6	886.4	0	0	0	0	0	0
2	Stewart ,N (Neil)	2	2	425	1	1	425	1	1	425	0	0	0
2	Stewart ,N (Neil)	2	1208.8	1633.8	1	1200	1633.8	1	1200	1633.8	0	0	0
3	Arendse ,V (Virgil)	2	1	0	1	1	425	1	0	-425	0	0	0
3	Arendse ,V (Virgil)	2	1200	1200	1	1200	1625	1	1200	775	0	0	0
4	Ahrense ,C (Cullen)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ahrense ,C (Cullen)	1	1410.4	985.4	1	1415.8	985.4	0	0	0	0	0	0
5	Goncalves Alho ,M (Miguel)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Goncalves Alho ,M (Miguel)	1	1298.2	873.2	1	1277.7	873.2	0	0	0	0	0	0
6	Stern ,M (Mason)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Stern ,M (Mason)	1	1278.2	853.2	1	1296.8	853.2	0	0	0	0	0	0
7	Gxogxa ,K (Khoyane)	1	1	425	1	1	425	0	0	0	0	0	0
7	Gxogxa ,K (Khoyane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Meder ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Meder ,T (Tristan)	1	1493.8	1068.8	1	1353.8	1068.8	0	0	0	0	0	0
9	Xabadiya ,N (Nizibone)	1	1	425	1	1	425	0	0	0	0	0	0
9	Xabadiya ,N (Nizibone)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Martin ,E (Emma)	1	1	425	0	0	0	1	1	425	0	0	0
10	Martin ,E (Emma)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Anderson, J (Jean)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms