Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pienaar, J (Johrne)

Chess SA id

1060114705

FIDE id

Date of birth

2006-05-17 (U20)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1192.4	1167.2	1229.2	1200
Raw rating	1192.4	1167.2	1229.2	1200
Weighted rating	1192.4	1167.2	1229.2	1200
Weighted performance	0	0	0	0
Floor	700	700	729.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.6	173.7	159.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1282.5 2019-05-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1229.2 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1229.2 2024-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1282.5 2019-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1192.4	1167.2	1229.2	1200
Analysis
Rating	1192.4	1167.2	1229.2	1200
Raw rating	1192.4	1167.2	1229.2	1200
Weighted rating	1192.4	1167.2	1229.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	729.2	700
Max/Min rating change allowed	167.6	173.7	159.1	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	1192.4	1167.2	1229.2	1200
New weighted rating	1192.4	1167.2	1229.2	1200
New weighted performance	0	0	0	0
Temp new rating	1192.4	1167.2	1229.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1192.4	1167.2	1229.2	1200
New K-factor	36	36	36	36
New floor	700	700	729.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	15	10	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	10	66.67	141.7	1040.9	1182.5
Standard	10	6	60	85	1038.1	1123.1
Rapid	5	4	80	255	1046.5	1301.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1192.4	1167.2	1229.2	1200
2025-09-01	1192.4	1167.2	1229.2	1200
2025-08-01	1192.4	1167.2	1229.2	1200
2025-07-01	1192.4	1167.2	1229.2	1200
2025-06-01	1192.4	1167.2	1229.2	1200
2025-05-01	1192.4	1167.2	1229.2	1200
2025-04-01	1192.4	1167.2	1229.2	1200
2025-03-01	1192.4	1167.2	1229.2	1200
2025-02-01	1192.4	1167.2	1229.2	1200
2025-01-01	1192.4	1167.2	1229.2	1200
2024-12-01	1192.4	1167.2	1229.2	1200
2024-11-01	1192.4	1167.2	1229.2	1200
2024-10-01	1192.4	1167.2	1229.2	1200
2024-09-01	1192.4	1167.2	1229.2	1200
2024-08-01	1192.4	1167.2	1229.2	1200
2024-07-01	1192.4	1167.2	1229.2	1200
2024-06-01	1192.4	1167.2	1229.2	1200
2024-08-01	1192.4	1167.2	1229.2	1200
2024-04-01	1192.4	1167.2	1229.2	1200
2024-03-01	1192.4	1167.2	1229.2	1200
2024-02-01	1192.4	1167.2	1229.2	1200
2024-01-01	1192.4	1167.2	1229.2	1200
2023-12-01	1192.4	1167.2	1229.2	1200
2023-11-01	1192.4	1167.2	1229.2	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	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
2	Capricorn Qualifying May 2019 (O14)	2019-05-18	2019-05-18	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
3	Capricorn Qualifying April 2019 (O14)	2019-04-13	2019-04-13	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Capricorn Qualifying April 2019				Tournament 2019 Super 12 Laerskole
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Kgomo, M (Mathema)				Opponent Van Heerden, M (Mea)
2	2	Tournament Capricorn Qualifying May 2019				Tournament Capricorn Qualifying May 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Moroka, K (Kelebogile)				Opponent Malefahlo, I (Itumeleng)
3	2	Tournament 2019 Super 12 Laerskole				Tournament Capricorn Qualifying May 2019
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Diedericks, H (Heinrich)				Opponent Shai, LK (Lethabo)

#	Games	Start				End
1	3	Tournament Capricorn Qualifying April 2019				Tournament Capricorn Qualifying May 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Kgomo, M (Mathema)				Opponent Shai, LK (Lethabo)
2	2	Tournament Capricorn Qualifying May 2019				Tournament Capricorn Qualifying May 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Moroka, K (Kelebogile)				Opponent Malefahlo, I (Itumeleng)
3	1	Tournament Capricorn Qualifying April 2019				Tournament Capricorn Qualifying April 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Mamashela, K (Kitimela)				Opponent Mamashela, K (Kitimela)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Venter, I (Isabella)				Opponent Van Heerden, M (Mea)
2	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Diedericks, H (Heinrich)				Opponent Diedericks, H (Heinrich)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Capricorn Qualifying April 2019				Tournament 2019 Super 12 Laerskole
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Kgomo, M (Mathema)				Opponent Van Heerden, M (Mea)
2	2	Tournament Capricorn Qualifying May 2019				Tournament Capricorn Qualifying May 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Moroka, K (Kelebogile)				Opponent Malefahlo, I (Itumeleng)
3	2	Tournament 2019 Super 12 Laerskole				Tournament Capricorn Qualifying May 2019
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Diedericks, H (Heinrich)				Opponent Shai, LK (Lethabo)

#	Games	Start				End
1	3	Tournament Capricorn Qualifying April 2019				Tournament Capricorn Qualifying May 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Kgomo, M (Mathema)				Opponent Shai, LK (Lethabo)
2	2	Tournament Capricorn Qualifying May 2019				Tournament Capricorn Qualifying May 2019
		date 2019-05-18	rnd 3	type Standard	result 1	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Moroka, K (Kelebogile)				Opponent Malefahlo, I (Itumeleng)
3	1	Tournament Capricorn Qualifying April 2019				Tournament Capricorn Qualifying April 2019
		date 2019-04-13	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Mamashela, K (Kitimela)				Opponent Mamashela, K (Kitimela)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Venter, I (Isabella)				Opponent Van Heerden, M (Mea)
2	1	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2019-05-04	rnd 5	type Rapid	result 1
		Opponent Diedericks, H (Heinrich)				Opponent Diedericks, H (Heinrich)

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	Ngubane ,S (Sinomndeni)	1	1	425	1	1	425	0	0	0	0	0	0
1	Ngubane ,S (Sinomndeni)	1	1023.4	1448.4	1	1000.8	1448.4	0	0	0	0	0	0
2	Mamashela ,K (Kitimela)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mamashela ,K (Kitimela)	1	1151.2	1576.2	1	1142.4	1576.2	0	0	0	0	0	0
3	Moraba ,B (Bokamosa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Moraba ,B (Bokamosa)	1	1049.5	624.5	1	1043.6	624.5	0	0	0	0	0	0
4	Malefahlo ,I (Itumeleng)	1	1	425	1	1	425	0	0	0	0	0	0
4	Malefahlo ,I (Itumeleng)	1	739.3	1164.3	1	784.4	1164.3	0	0	0	0	0	0
5	Malefo ,M (Moloko)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Malefo ,M (Moloko)	1	1105	680	1	1097.2	680	0	0	0	0	0	0
6	Mankoe ,G (Gomolemo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mankoe ,G (Gomolemo)	1	747.2	322.2	1	786.4	322.2	0	0	0	0	0	0
7	Kgomo ,M (Mathema)	1	1	425	1	1	425	0	0	0	0	0	0
7	Kgomo ,M (Mathema)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Shai ,LK (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Shai ,LK (Lethabo)	1	1049.6	1474.6	1	1022.4	1474.6	0	0	0	0	0	0
9	Moroka ,K (Kelebogile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Moroka ,K (Kelebogile)	1	1061.9	1486.9	1	1055.6	1486.9	0	0	0	0	0	0
10	Mabala ,T (Tlou)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mabala ,T (Tlou)	1	1253.3	828.3	1	1253.2	828.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Pienaar, J (Johrne)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms