Chess South Africa Ratings Database

PLAYER PAGE

Personal

Els, JA (Ja)

Chess SA id

161091973

FIDE id

Date of birth

1961-08-18 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1223.9	1219.7	1300	1300
Raw rating	1223.9	1219.7	1300	1300
Weighted rating	1223.8	1219.6	1299	1299
Weighted performance	0	0	0	0
Floor	755	755	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	160.3	161.2	143.8	143.8
Highest rating	1255 2024-01-01	1255 2024-01-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1255 2024-01-01	1255 2024-01-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1222.9 2025-08-01	1218.8 2025-08-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1224	1219.8	1300	1300
Analysis
Rating	1223.9	1219.7	1300	1300
Raw rating	1223.9	1219.7	1300	1300
Weighted rating	1223.8	1219.6	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	755	755	800	800
Max/Min rating change allowed	160.3	161.2	143.8	143.8
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	1223.9	1219.7	1300	1300
New weighted rating	1224	1219.8	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1224	1219.8	1300	1300
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1224	1219.8	1300	1300
New K-factor	36	36	36	36
New floor	755	755	800	800

Item	Main	Standard
	0	0
	0	0
	3	3
	0	0
	0	0
	0	0
History	12	12

Games since
	Main 3	Standard 3		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	7	2	28.57	-182.1	1212.4	1030.2
Standard	7	2	28.57	-182.1	1212.4	1030.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1223.9	1219.7	1300	1300
2025-09-01	1223.9	1219.7	1300	1300
2025-08-01	1223.9	1219.7	1300	1300
2025-07-01	1223.9	1219.7	1300	1300
2025-06-01	1223.9	1219.7	1300	1300
2025-05-01	1223.9	1219.7	1300	1300
2025-04-01	1223.9	1219.7	1300	1300
2025-03-01	1223.9	1219.7	1300	1300
2025-02-01	1223.9	1219.7	1300	1300
2025-01-01	1223.9	1219.7	1300	1300
2024-12-01	1223.9	1219.7	1300	1300
2024-11-01	1223.9	1219.7	1300	1300
2024-10-01	1223.9	1219.7	1300	1300
2024-09-01	1223.9	1219.7	1300	1300
2024-08-01	1223.9	1219.7	1300	1300
2024-07-01	1223.9	1219.7	1300	1300
2024-06-01	1223.9	1219.7	1300	1300
2024-08-01	1223.9	1219.7	1300	1300
2024-04-01	1223.9	1219.7	1300	1300
2024-03-01	1223.9	1219.7	1300	1300
2024-02-01	1223.9	1219.7	1300	1300
2024-01-01	1255	1255	1300	1300
2023-12-01	1179.1	1175.2	1200	1200
2023-11-01	1179.1	1175.2	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	2024 Gauteng Inter-Region Chess Championship (Adult B+Fifty+Ladies)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	3	0	Yes	Analysis
2	Eureka Chess Open 2018 (B)	2018-09-29	2018-09-29	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eureka Chess Open 2018				Tournament Eureka Chess Open 2018
		date 2018-09-29	rnd 1	type Standard	result 1	date 2018-09-29	rnd 2	type Standard	result 1
		Opponent Mofokeng, G (Gift)				Opponent Barnard, M (Martin)

#	Games	Start				End
1	2	Tournament Eureka Chess Open 2018				Tournament Eureka Chess Open 2018
		date 2018-09-29	rnd 1	type Standard	result 1	date 2018-09-29	rnd 2	type Standard	result 1
		Opponent Mofokeng, G (Gift)				Opponent Barnard, M (Martin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eureka Chess Open 2018				Tournament Eureka Chess Open 2018
		date 2018-09-29	rnd 1	type Standard	result 1	date 2018-09-29	rnd 2	type Standard	result 1
		Opponent Mofokeng, G (Gift)				Opponent Barnard, M (Martin)

#	Games	Start				End
1	2	Tournament Eureka Chess Open 2018				Tournament Eureka Chess Open 2018
		date 2018-09-29	rnd 1	type Standard	result 1	date 2018-09-29	rnd 2	type Standard	result 1
		Opponent Mofokeng, G (Gift)				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	Staudt ,A (Aleksandra)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Staudt ,A (Aleksandra)	1	932.6	507.6	1	936.6	507.6	0	0	0	0	0	0
2	Kitaya ,JM (Jonathan Mpumpa)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Kitaya ,JM (Jonathan Mpumpa)	1	1349.3	924.3	1	1322	924.3	0	0	0	0	0	0
3	Mofokeng ,G (Gift)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mofokeng ,G (Gift)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Coetzee ,J (Jaco)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Coetzee ,J (Jaco)	1	951.5	526.5	1	945.6	526.5	0	0	0	0	0	0
5	Barnard ,M (Martin)	1	1	425	1	1	425	0	0	0	0	0	0
5	Barnard ,M (Martin)	1	1105.4	1530.4	1	1111.3	1530.4	0	0	0	0	0	0
6	Vermeulen ,EJ (Ernestus Jacobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Vermeulen ,EJ (Ernestus Jacobus)	1	1522.4	1097.4	1	1526.2	1097.4	0	0	0	0	0	0
7	Pillay ,N (Nico)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Pillay ,N (Nico)	1	1425.3	1000.3	1	1404	1000.3	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

Els, JA (Ja)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms