Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pienaar, JJ (Johan)

Chess SA id

159030144

FIDE id

Date of birth

1959-05-22 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1169.9	1177.8	1242	1242
Raw rating	1169.9	1177.8	1242	1242
Weighted rating	1169.9	1177.7	1241	1241
Weighted performance	0	0	0	0
Floor	675.7	682.2	742	742
K-factor	40	40	36	36
Min/Max rating change allowed	173.1	171.1	156.2	156.2
Highest rating	1326.1 2018-10-01	1328.5 2018-10-01	1242 2024-02-01	1242 2024-02-01
Highest raw rating	1175.7 2018-11-01	1182.2 2018-11-01	1242 2024-02-01	1242 2024-02-01
Highest weighted rating	1175.7 2024-11-01	1182.2 2024-11-01	1238.7 2025-08-01	1238.7 2025-08-01
Highest weighted performance	1326.1 2018-10-01	1328.5 2018-10-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1169.9	1177.8	1242	1242
Analysis
Rating	1169.9	1177.8	1242	1242
Raw rating	1169.9	1177.8	1242	1242
Weighted rating	1169.9	1177.7	1241
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	675.7	682.2	742	742
Max/Min rating change allowed	173.1	171.1	156.2	156.2
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	1169.9	1177.8	1242	1242
New weighted rating	1169.9	1177.8	1241.7	1241.7
New weighted performance	0	0	0	0
Temp new rating	1169.9	1177.8	1242	1242
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1169.9	1177.8	1242	1242
New K-factor	40	40	36	36
New floor	675.7	682.2	742	742

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	39	39

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
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	15	6.5	43.33	-56.7	1266.9	1210.3
Standard	15	6.5	43.33	-56.7	1266.9	1210.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1169.9	1177.8	1242	1242
2025-09-01	1169.9	1177.8	1242	1242
2025-08-01	1169.9	1177.8	1242	1242
2025-07-01	1169.9	1177.8	1242	1242
2025-06-01	1169.9	1177.8	1242	1242
2025-05-01	1169.9	1177.8	1242	1242
2025-04-01	1169.9	1177.8	1242	1242
2025-03-01	1169.9	1177.8	1242	1242
2025-02-01	1169.9	1177.8	1242	1242
2025-01-01	1169.9	1177.8	1242	1242
2024-12-01	1169.9	1177.8	1242	1242
2024-11-01	1169.9	1177.8	1242	1242
2024-10-01	1169.9	1177.8	1242	1242
2024-09-01	1169.9	1177.8	1242	1242
2024-08-01	1169.9	1177.8	1242	1242
2024-07-01	1169.9	1177.8	1242	1242
2024-06-01	1169.9	1177.8	1242	1242
2024-08-01	1169.9	1177.8	1242	1242
2024-04-01	1169.9	1177.8	1242	1242
2024-03-01	1169.9	1177.8	1242	1242
2024-02-01	1169.9	1177.8	1242	1242
2024-01-01	1169.9	1177.8	1242	1242
2023-12-01	1169.9	1173.2	1143	1143
2023-11-01	1169.9	1173.2	1143	1143

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	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	0	0	No	Analysis
2	Mangaung Metro Chess October 2019 (A)	2019-10-11	2019-10-12	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
3	Mangaung Metro Chess 18-19 January 2019 (A)	2019-01-18	2019-01-19	Standard	Mangaung (FMB)	5	5	1	Yes	Analysis
4	Mangaung Metro Chess12 & 13 October 2018 (A)	2018-10-12	2018-10-13	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess12 & 13 October 2018				Tournament Mangaung Metro Chess12 & 13 October 2018
		date 2018-10-13	rnd 3	type Standard	result 1	date 2018-10-13	rnd 5	type Standard	result 1
		Opponent Lombard, HZ (Hermanus)				Opponent Shata, M (Mpho)
2	2	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-10-11	rnd 1	type Standard	result 0.5
		Opponent Botes, D (Dion)				Opponent Kotze, CJ (Christiaan)
3	1	Tournament Mangaung Metro Chess October 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-10-12	rnd 5	type Standard	result 1	date 2019-10-12	rnd 5	type Standard	result 1
		Opponent Steenkamp, F (Fransien)				Opponent Steenkamp, F (Fransien)

#	Games	Start				End
1	3	Tournament Mangaung Metro Chess12 & 13 October 2018				Tournament Mangaung Metro Chess12 & 13 October 2018
		date 2018-10-13	rnd 3	type Standard	result 1	date 2018-10-13	rnd 5	type Standard	result 1
		Opponent Lombard, HZ (Hermanus)				Opponent Shata, M (Mpho)
2	2	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-10-11	rnd 1	type Standard	result 0.5
		Opponent Botes, D (Dion)				Opponent Kotze, CJ (Christiaan)
3	1	Tournament Mangaung Metro Chess October 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-10-12	rnd 5	type Standard	result 1	date 2019-10-12	rnd 5	type Standard	result 1
		Opponent Steenkamp, F (Fransien)				Opponent Steenkamp, F (Fransien)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess October 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-10-12	rnd 5	type Standard	result 1	date 2019-10-12	rnd 5	type Standard	result 1
		Opponent Steenkamp, F (Fransien)				Opponent Steenkamp, F (Fransien)
2	1	Tournament Mangaung Metro Chess October 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-10-12	rnd 3	type Standard	result 1	date 2019-10-12	rnd 3	type Standard	result 1
		Opponent Bosch, A (Altus)				Opponent Bosch, A (Altus)
3	1	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 18-19 January 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-01-19	rnd 5	type Standard	result 1
		Opponent Botes, D (Dion)				Opponent Botes, D (Dion)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess October 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-10-12	rnd 5	type Standard	result 1	date 2019-10-12	rnd 5	type Standard	result 1
		Opponent Steenkamp, F (Fransien)				Opponent Steenkamp, F (Fransien)
2	1	Tournament Mangaung Metro Chess October 2019				Tournament Mangaung Metro Chess October 2019
		date 2019-10-12	rnd 3	type Standard	result 1	date 2019-10-12	rnd 3	type Standard	result 1
		Opponent Bosch, A (Altus)				Opponent Bosch, A (Altus)
3	1	Tournament Mangaung Metro Chess 18-19 January 2019				Tournament Mangaung Metro Chess 18-19 January 2019
		date 2019-01-19	rnd 5	type Standard	result 1	date 2019-01-19	rnd 5	type Standard	result 1
		Opponent Botes, D (Dion)				Opponent Botes, D (Dion)

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	Lebenya ,MJ (Masilo John)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Lebenya ,MJ (Masilo John)	2	1338.4	913.4	2	1331.8	913.4	0	0	0	0	0	0
2	Goosen ,P (Pierre)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Goosen ,P (Pierre)	2	1269.6	844.6	2	1272.7	844.6	0	0	0	0	0	0
3	Van Der Walt ,AB (Bernize)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Van Der Walt ,AB (Bernize)	1	1425	1425	1	1427.4	1425	0	0	0	0	0	0
4	Lombard ,HZ (Hermanus Zuidmeer)	1	1	425	1	1	425	0	0	0	0	0	0
4	Lombard ,HZ (Hermanus Zuidmeer)	1	1110	1535	1	1101.4	1535	0	0	0	0	0	0
5	Lebenya ,MJ (Masilonyana Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lebenya ,MJ (Masilonyana Johannes)	1	1423.9	998.9	1	1426.5	998.9	0	0	0	0	0	0
6	Duvenhage ,HW (Hendrik Wian)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Duvenhage ,HW (Hendrik Wian)	1	1273.2	1273.2	1	1287.4	1273.2	0	0	0	0	0	0
7	Botes ,D (Dion)	1	1	425	1	1	425	0	0	0	0	0	0
7	Botes ,D (Dion)	1	1076	1501	1	1074.8	1501	0	0	0	0	0	0
8	Modirwa ,O (Ofentse)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Modirwa ,O (Ofentse)	1	1485.3	1060.3	1	1485.1	1060.3	0	0	0	0	0	0
9	Coetzee ,TH (Tebogo Hendrik)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Coetzee ,TH (Tebogo Hendrik)	1	1258.9	833.9	1	1270.1	833.9	0	0	0	0	0	0
10	Bosch ,A (Altus)	1	1	425	1	1	425	0	0	0	0	0	0
10	Bosch ,A (Altus)	1	1317.4	1742.4	1	1315.9	1742.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pienaar, JJ (Johan)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms