Chess South Africa Ratings Database

PLAYER PAGE

Personal

Meyer, JJ (Jeffery James)

Chess SA id

155022806

FIDE id

Date of birth

1955-07-30 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1402.9	1404	1284.9	1404
Raw rating	1401.1	1404	1284.9	1404
Weighted rating	1402.9	1404	1267.5	1404
Weighted performance	0	0	0	0
Floor	904	904	904	904
K-factor	32	32	32	32
Min/Max rating change allowed	124.5	124	146.9	124
Highest rating	1404 2018-06-01	1404 2018-06-01	1404 2018-06-01	1404 2019-11-01
Highest raw rating	1404 2024-02-01	1404 2024-02-01	1404 2018-01-01	1404 2024-02-01
Highest weighted rating	1404 2018-06-01	1404 2018-06-01	1404 2018-06-01	1404 2019-11-01
Highest weighted performance	1240.5 2018-09-01	1240.8 2018-09-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0	0	0
New rating	1402.9	1404	1284.9	1404
Analysis
Rating	1402.9	1404	1284.9	1404
Raw rating	1401.1	1404	1284.9	1404
Weighted rating	1402.9	1404	1267.5
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	904	904	904	904
Max/Min rating change allowed	124.5	124	146.9	124
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	1401.1	1404	1284.9	1404
New weighted rating	1402.9	1404	1269.1	1404
New weighted performance	0	0	0	0
Temp new rating	1402.9	1404	1284.9	1404
Temp new rating +/-	0.1	0	0	0
Final new rating +/-	0.1	0	0	0
New rating	1402.9	1404	1284.9	1404
New K-factor	32	32	32	32
New floor	904	904	904	904

Item	Main	Standard	Rapid
	0	0	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	61	37	24

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	6	4	66.67	141.7	1237.8	1379.5
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1237.8	1379.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	24	11	45.83	-35.4	1244	1208.6
Standard	6	3	50	0	1234.6	1234.6
Rapid	18	8	44.44	-47.2	1247.2	1199.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1401.1	1404	1284.9	1404
2025-09-30	1401.1	1404	1284.9	1404
2025-09-01	1401.1	1404	1284.9	1404
2025-08-01	1401.1	1404	1284.9	1404
2025-07-01	1404	1404	1260	1404
2025-06-01	1404	1404	1260	1404
2025-05-01	1404	1404	1260	1404
2025-04-01	1404	1404	1260	1404
2025-03-01	1404	1404	1260	1404
2025-02-01	1404	1404	1260	1404
2025-01-01	1404	1404	1260	1404
2024-12-01	1404	1404	1260	1404
2024-11-01	1404	1404	1260	1404
2024-10-01	1404	1404	1260	1404
2024-09-01	1404	1404	1260	1404
2024-08-01	1404	1404	1260	1404
2024-07-01	1404	1404	1260	1404
2024-09-01	1404	1404	1260	1404
2024-05-01	1404	1404	1260	1404
2024-04-01	1404	1404	1260	1404
2024-03-01	1404	1404	1260	1404
2024-02-01	1404	1404	1260	1404
2024-01-01	1404	1404	1260	1404
2023-12-01	1324	1390.9	1260	1404

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Open 2025 (Parents+Teachers)	2025-07-19	2025-07-19	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Open 2025 (Parents+Teachers)	2025-07-19	2025-07-19	Rapid	Cape Winelands (WCW)	6	6	4	Yes	Analysis
2	Nelson Mandela Rapid 2019 (Open)	2019-03-02	2019-03-02	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis
3	Jakes Gerwel Aurecon 2018 (B)	2018-10-13	2018-10-13	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
4	2018 Western Province League (C)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Nelson Mandela Rapid 2019				Tournament Cape Winelands Open 2025
		date 2019-03-02	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 4	type Rapid	result 0.5
		Opponent Maneveld, C (Conrad)				Opponent Oosthuizen, W (Wesley)
2	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-08	rnd 9	type Standard	result 0.5	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Sithole, A (Anoona)				Opponent Arendse, K (Kelly)
3	2	Tournament Jakes Gerwel Aurecon 2018				Tournament Jakes Gerwel Aurecon 2018
		date 2018-10-13	rnd 4	type Rapid	result 1	date 2018-10-13	rnd 5	type Rapid	result 1
		Opponent Thabet, A (Abdol)				Opponent Zenzile, A (Amahle)

#	Games	Start				End
1	3	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-08	rnd 9	type Standard	result 0.5	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Sithole, A (Anoona)				Opponent Arendse, K (Kelly)
2	1	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-08-04	rnd 1	type Standard	result 0.5	date 2018-08-04	rnd 1	type Standard	result 0.5
		Opponent Flink, AA (Angelo)				Opponent Flink, AA (Angelo)

#	Games	Start				End
1	5	Tournament Nelson Mandela Rapid 2019				Tournament Cape Winelands Open 2025
		date 2019-03-02	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 4	type Rapid	result 0.5
		Opponent Maneveld, C (Conrad)				Opponent Oosthuizen, W (Wesley)
2	2	Tournament Jakes Gerwel Aurecon 2018				Tournament Jakes Gerwel Aurecon 2018
		date 2018-10-13	rnd 4	type Rapid	result 1	date 2018-10-13	rnd 5	type Rapid	result 1
		Opponent Thabet, A (Abdol)				Opponent Zenzile, A (Amahle)
3	1	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 6	type Rapid	result 0.5	date 2025-07-19	rnd 6	type Rapid	result 0.5
		Opponent Ruiters, C (Celeste)				Opponent Ruiters, C (Celeste)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Nelson Mandela Rapid 2019				Tournament Cape Winelands Open 2025
		date 2019-03-02	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Maneveld, C (Conrad)				Opponent Van Eck, MG (Marius Gerhardt)
2	2	Tournament Jakes Gerwel Aurecon 2018				Tournament Jakes Gerwel Aurecon 2018
		date 2018-10-13	rnd 4	type Rapid	result 1	date 2018-10-13	rnd 5	type Rapid	result 1
		Opponent Thabet, A (Abdol)				Opponent Zenzile, A (Amahle)
3	2	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-08	rnd 10	type Standard	result 1	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Samuels, B (Bradley)				Opponent Arendse, K (Kelly)

#	Games	Start				End
1	2	Tournament 2018 Western Province League				Tournament 2018 Western Province League
		date 2018-09-08	rnd 10	type Standard	result 1	date 2018-09-15	rnd 11	type Standard	result 1
		Opponent Samuels, B (Bradley)				Opponent Arendse, K (Kelly)

#	Games	Start				End
1	4	Tournament Nelson Mandela Rapid 2019				Tournament Cape Winelands Open 2025
		date 2019-03-02	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 3	type Rapid	result 1
		Opponent Maneveld, C (Conrad)				Opponent Van Eck, MG (Marius Gerhardt)
2	2	Tournament Jakes Gerwel Aurecon 2018				Tournament Jakes Gerwel Aurecon 2018
		date 2018-10-13	rnd 4	type Rapid	result 1	date 2018-10-13	rnd 5	type Rapid	result 1
		Opponent Thabet, A (Abdol)				Opponent Zenzile, A (Amahle)
3	1	Tournament Jakes Gerwel Aurecon 2018				Tournament Jakes Gerwel Aurecon 2018
		date 2018-10-13	rnd 2	type Rapid	result 1	date 2018-10-13	rnd 2	type Rapid	result 1
		Opponent Mchontsi, A (Ayabonga)				Opponent Mchontsi, A (Ayabonga)

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	Samuels ,B (Bradley)	1	1	425	1	1	425	0	0	0	0	0	0
1	Samuels ,B (Bradley)	1	1324.4	1749.4	1	1324.4	1749.4	0	0	0	0	0	0
2	Flink ,AA (Angelo Ashley)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Flink ,AA (Angelo Ashley)	1	1573.6	1573.6	1	1573.6	1573.6	0	0	0	0	0	0
3	Van Der Westhuizen ,M (Markus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Der Westhuizen ,M (Markus)	1	1547.8	1122.8	1	1547.8	1122.8	0	0	0	0	0	0
4	Jacobs ,A (Adiel)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Jacobs ,A (Adiel)	1	1156.9	731.9	1	1155.7	731.9	0	0	0	0	0	0
5	Kalala ,A (Alladean)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Kalala ,A (Alladean)	1	1472.5	1047.5	0	0	0	1	1419.5	1047.5	0	0	0
6	Prins ,W (Walter)	1	1	425	0	0	0	1	1	425	0	0	0
6	Prins ,W (Walter)	1	1191.1	1616.1	0	0	0	1	1184.7	1616.1	0	0	0
7	Joseph ,JMA (Juanbrey Mary-Anne)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Joseph ,JMA (Juanbrey Mary-Anne)	1	1190.2	765.2	0	0	0	1	1185.6	765.2	0	0	0
8	Crotz ,G (Greagan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Crotz ,G (Greagan)	1	1143	718	0	0	0	1	1129.8	718	0	0	0
9	Lotriet ,BCD (Brandon Craig Derek)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Lotriet ,BCD (Brandon Craig Derek)	1	1340.5	915.5	0	0	0	1	1313.3	915.5	0	0	0
10	Steenkamp ,W (Wessel)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Steenkamp ,W (Wessel)	1	1290.5	865.5	0	0	0	1	1126.4	865.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Meyer, JJ (Jeffery James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms