Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pienaar, P (Petrus Jacobus)

Chess SA id

1110145786

FIDE id

Date of birth

2011-06-22 (U16)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-02-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1248.5	1256.5	1200	1200
Raw rating	1248.5	1256.5	1200	1200
Weighted rating	1240.9	1247.8	1200	1200
Weighted performance	0	0	0	0
Floor	748.5	756.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.7	153	165.8	165.8
Highest rating	1476.6 2022-08-01	1472.3 2022-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1248.5 2025-03-01	1256.5 2025-03-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1237.7 2025-08-01	1244.1 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1476.6 2022-08-01	1472.3 2022-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1248.5	1256.5	1200	1200
Analysis
Rating	1248.5	1256.5	1200	1200
Raw rating	1248.5	1256.5	1200	1200
Weighted rating	1240.9	1247.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	748.5	756.5	700	700
Max/Min rating change allowed	154.7	153	165.8	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	1248.5	1256.5	1200	1200
New weighted rating	1241.9	1248.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1248.5	1256.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1248.5	1256.5	1200	1200
New K-factor	36	36	36	36
New floor	748.5	756.5	700	700

Item	Main	Standard
	0	0
	5	5
	0	0
	0	0
	3	3
	0	0
History	8	8

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	5	2	40	-85	1419.5	1334.5
Standard	5	2	40	-85	1419.5	1334.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	8	4.5	56.25	53.1	1329.8	1382.9
Standard	8	4.5	56.25	53.1	1329.8	1382.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1248.5	1256.5	1200	1200
2025-09-30	1248.5	1256.5	1200	1200
2025-09-01	1248.5	1256.5	1200	1200
2025-08-01	1248.5	1256.5	1200	1200
2025-07-01	1248.5	1256.5	1200	1200
2025-06-01	1248.5	1256.5	1200	1200
2025-05-01	1248.5	1256.5	1200	1200
2025-04-01	1248.5	1256.5	1200	1200
2025-03-01	1248.5	1256.5	1200	1200
2025-02-01	1229.5	1234.8	1200	1200
2025-01-01	1229.5	1234.8	1200	1200
2024-12-01	1229.5	1234.8	1200	1200
2024-11-01	1229.5	1234.8	1200	1200
2024-10-01	1229.5	1234.8	1200	1200
2024-09-01	1229.5	1234.8	1200	1200
2024-08-01	1229.5	1234.8	1200	1200
2024-07-01	1229.5	1234.8	1200	1200
2024-09-01	1229.5	1234.8	1200	1200
2024-05-01	1229.5	1234.8	1200	1200
2024-04-01	1229.5	1234.8	1200	1200
2024-03-01	1229.5	1234.8	1200	1200
2024-02-01	1229.5	1234.8	1200	1200
2024-01-01	1229.5	1234.8	1200	1200
2023-12-01	1229.5	1234.8	1200	1200

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	Afrikaans High School Open 08 Feb 2025 (C)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Afrikaans High School Open 08 Feb 2025 (C)	2025-02-08	2025-02-08	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	2022 Gauteng Schools Team Championships (U11 Open)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	3	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament Afrikaans High School Open 08 Feb 2025
		date 2022-08-27	rnd 2	type Standard	result 0.5	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Nkosi, Z (Zinhle)				Opponent Lituka, M (Mary)
2	1	Tournament Afrikaans High School Open 08 Feb 2025				Tournament Afrikaans High School Open 08 Feb 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Ngobese, S (Sethabile)				Opponent Ngobese, S (Sethabile)

#	Games	Start				End
1	4	Tournament 2022 Gauteng Schools Team Championships				Tournament Afrikaans High School Open 08 Feb 2025
		date 2022-08-27	rnd 2	type Standard	result 0.5	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Nkosi, Z (Zinhle)				Opponent Lituka, M (Mary)
2	1	Tournament Afrikaans High School Open 08 Feb 2025				Tournament Afrikaans High School Open 08 Feb 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Ngobese, S (Sethabile)				Opponent Ngobese, S (Sethabile)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament Afrikaans High School Open 08 Feb 2025
		date 2022-08-27	rnd 3	type Standard	result 1	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Neuhoff, M (Markus)				Opponent Lituka, M (Mary)
2	1	Tournament Afrikaans High School Open 08 Feb 2025				Tournament Afrikaans High School Open 08 Feb 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Ngobese, S (Sethabile)				Opponent Ngobese, S (Sethabile)

#	Games	Start				End
1	3	Tournament 2022 Gauteng Schools Team Championships				Tournament Afrikaans High School Open 08 Feb 2025
		date 2022-08-27	rnd 3	type Standard	result 1	date 2025-02-08	rnd 1	type Standard	result 1
		Opponent Neuhoff, M (Markus)				Opponent Lituka, M (Mary)
2	1	Tournament Afrikaans High School Open 08 Feb 2025				Tournament Afrikaans High School Open 08 Feb 2025
		date 2025-02-08	rnd 3	type Standard	result 1	date 2025-02-08	rnd 3	type Standard	result 1
		Opponent Ngobese, S (Sethabile)				Opponent Ngobese, S (Sethabile)

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	Ngobese ,S (Sethabile)	1	1	425	1	1	425	0	0	0	0	0	0
1	Ngobese ,S (Sethabile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Kadima ,J (Jayden)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kadima ,J (Jayden)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Conradie ,I (Ingrid)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Conradie ,I (Ingrid)	1	1583.9	1158.9	1	1584.3	1158.9	0	0	0	0	0	0
4	Neuhoff ,M (Markus)	1	1	425	1	1	425	0	0	0	0	0	0
4	Neuhoff ,M (Markus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Scholtz ,R (Rohann)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Scholtz ,R (Rohann)	1	1485.5	1060.5	1	1477.3	1060.5	0	0	0	0	0	0
6	Gouws ,P (Philip)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Gouws ,P (Philip)	1	1628.1	1203.1	1	1627.1	1203.1	0	0	0	0	0	0
7	Lituka ,M (Mary)	1	1	425	1	1	425	0	0	0	0	0	0
7	Lituka ,M (Mary)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Nkosi ,Z (Zinhle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Nkosi ,Z (Zinhle)	1	1140.9	1140.9	1	1128	1140.9	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

Pienaar, P (Petrus Jacobus)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms