Chess South Africa Ratings Database

PLAYER PAGE

Personal

Barkenhuizen, J (Johan)

Chess SA id

148061304

FIDE id

Date of birth

1948-10-24 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-07-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1010.5	1007.7	1022.1	1022.1
Raw rating	1010.5	1007.7	1022.1	1022.1
Weighted rating	1010.5	1007.7	1022.1	1022.1
Weighted performance	0	0	0	0
Floor	556.3	564.1	522.1	522.1
K-factor	40	40	40	40
Min/Max rating change allowed	217.2	218.1	213.6	213.6
Highest rating	1215.2 2019-04-01	1219.2 2019-04-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1056.3 2019-05-01	1064.1 2019-05-01	1022.1 2024-02-01	1022.1 2024-02-01
Highest weighted rating	1056.3 2024-11-01	1064.1 2024-11-01	1022.1 2024-11-01	1022.1 2024-11-01
Highest weighted performance	1215.2 2019-04-01	1219.2 2019-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1010.5	1007.7	1022.1	1022.1
Analysis
Rating	1010.5	1007.7	1022.1	1022.1
Raw rating	1010.5	1007.7	1022.1	1022.1
Weighted rating	1010.5	1007.7	1022.1
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	556.3	564.1	522.1	522.1
Max/Min rating change allowed	217.2	218.1	213.6	213.6
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	1010.5	1007.7	1022.1	1022.1
New weighted rating	1010.5	1007.7	1022.1	1022.1
New weighted performance	0	0	0	0
Temp new rating	1010.5	1007.7	1022.1	1022.1
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1010.5	1007.7	1022.1	1022.1
New K-factor	40	40	40	40
New floor	556.3	564.1	522.1	522.1

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

Games since
	Main 0	Standard 0		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	8	2	25	-212.5	1222.2	1009.7
Standard	8	2	25	-212.5	1222.2	1009.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1010.5	1007.7	1022.1	1022.1
2025-09-01	1010.5	1007.7	1022.1	1022.1
2025-08-01	1010.5	1007.7	1022.1	1022.1
2025-07-01	1010.5	1007.7	1022.1	1022.1
2025-06-01	1010.5	1007.7	1022.1	1022.1
2025-05-01	1010.5	1007.7	1022.1	1022.1
2025-04-01	1010.5	1007.7	1022.1	1022.1
2025-03-01	1010.5	1007.7	1022.1	1022.1
2025-02-01	1010.5	1007.7	1022.1	1022.1
2025-01-01	1010.5	1007.7	1022.1	1022.1
2024-12-01	1010.5	1007.7	1022.1	1022.1
2024-11-01	1010.5	1007.7	1022.1	1022.1
2024-10-01	1010.5	1007.7	1022.1	1022.1
2024-09-01	1010.5	1007.7	1022.1	1022.1
2024-08-01	1010.5	1007.7	1022.1	1022.1
2024-07-01	1010.5	1007.7	1022.1	1022.1
2024-06-01	1010.5	1007.7	1022.1	1022.1
2024-08-01	1010.5	1007.7	1022.1	1022.1
2024-04-01	1010.5	1007.7	1022.1	1022.1
2024-03-01	1010.5	1007.7	1022.1	1022.1
2024-02-01	1010.5	1007.7	1022.1	1022.1
2024-01-01	1010.5	1007.7	1022.1	1022.1
2023-12-01	1010.5	1007.7	1022.1	1022.1
2023-11-01	1010.5	1007.7	1022.1	1022.1

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	Eureka Chess Open 2019 (C)	2019-07-27	2019-07-27	Standard	Sedibeng (GSV)	5	3	0	Yes	Analysis
2	Dirk de Koster Chess Open 2019 (A)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mtshali, R (Ratile)				Opponent Mtshali, R (Ratile)
2	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Mqwaqo, J (Jeanette)				Opponent Mqwaqo, J (Jeanette)

#	Games	Start				End
1	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mtshali, R (Ratile)				Opponent Mtshali, R (Ratile)
2	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Mqwaqo, J (Jeanette)				Opponent Mqwaqo, J (Jeanette)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mtshali, R (Ratile)				Opponent Mtshali, R (Ratile)
2	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Mqwaqo, J (Jeanette)				Opponent Mqwaqo, J (Jeanette)

#	Games	Start				End
1	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Mtshali, R (Ratile)				Opponent Mtshali, R (Ratile)
2	1	Tournament Dirk de Koster Chess Open 2019				Tournament Dirk de Koster Chess Open 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Mqwaqo, J (Jeanette)				Opponent Mqwaqo, J (Jeanette)

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	Van Zyl ,I (Ilane)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Van Zyl ,I (Ilane)	1	1059.3	634.3	1	1055.6	634.3	0	0	0	0	0	0
2	Nxumalo ,L (Lindokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Nxumalo ,L (Lindokuhle)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Mtshali ,R (Ratile)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mtshali ,R (Ratile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Pule ,L (Lesedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pule ,L (Lesedi)	1	1312.9	887.9	1	1322.4	887.9	0	0	0	0	0	0
5	Ledwaba ,T (Thabang)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ledwaba ,T (Thabang)	1	1041.9	616.9	1	1051.6	616.9	0	0	0	0	0	0
6	Lingard ,B (Bevan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lingard ,B (Bevan)	1	1506.8	1081.8	1	1511.2	1081.8	0	0	0	0	0	0
7	Mqwaqo ,J (Jeanette)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mqwaqo ,J (Jeanette)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Emanuel ,P (Prithee)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Emanuel ,P (Prithee)	1	1256.3	831.3	1	1262.3	831.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Barkenhuizen, J (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms