Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, J (Jamel)

Chess SA id

1130300864

FIDE id

Date of birth

2013-10-01 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-03

Personal details last changed

1900-01-01

Junior GPX Games

13.2

Junior GPX Points

1051.6

Item	Main	Standard	Rapid	Blitz
Rating	1147.4	1127.6	1198.1	1200
Raw rating	1147.4	1127.6	1198.1	1200
Weighted rating	1127.8	1118.1	1190.1	1200
Weighted performance	990.5	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.7	183.8	166.3	165.8
Highest rating	1200 2024-03-01	1200 2024-04-01	1200 2024-03-01	1200 2024-04-01
Highest raw rating	1200 2024-03-01	1200 2024-04-01	1200 2024-03-01	1200 2024-04-01
Highest weighted rating	1200 2024-03-01	1200 2024-04-01	1200 2024-03-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-03-01	1200 2024-12-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1147.4	1127.6	1198.1	1200
Analysis
Rating	1147.4	1127.6	1198.1	1200
Raw rating	1147.4	1127.6	1198.1	1200
Weighted rating	1127.8	1118.1	1190.1
Weighted performance	990.5	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.7	183.8	166.3	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	1147.4	1127.6	1198.1	1200
New weighted rating	1128.5	1117.7	1190.7	1200
New weighted performance	990.1	0	0	0
Temp new rating	1147.4	1127.6	1198.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1147.4	1127.6	1198.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	11	5	6
	27	16	11
	0	0	0
	0	0	0
	0	0	0
History	38	21	17

Games since
	Main 38	Standard 21		Rapid 17		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	11	5	45.45	-38.6	1230.4	1191.8
Standard	5	2	40	-85	1223.1	1138.1
Rapid	6	3	50	0	1236.5	1236.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	38	13	34.21	-134.2	1208.1	1073.9
Standard	21	5	23.81	-222.6	1218.8	996.2
Rapid	17	8	47.06	-25	1194.8	1169.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1147.4	1127.6	1198.1	1200
2025-09-01	1147.4	1127.6	1198.1	1200
2025-08-01	1147.4	1127.6	1198.1	1200
2025-07-01	1147.4	1127.6	1198.1	1200
2025-06-01	1147.4	1127.6	1198.1	1200
2025-05-01	1130.7	1127.6	1187.8	1200
2025-04-01	1130.7	1127.6	1187.8	1200
2025-03-01	1130.7	1127.6	1187.8	1200
2025-02-01	1127.7	1124.3	1187.6	1200
2025-01-01	1062.4	1051.6	1180.4	1200
2024-12-01	1062.4	1051.6	1180.4	1200
2024-11-01	1062.4	1051.6	1180.4	1200
2024-10-01	1088.6	1082.4	1180.4	1200
2024-09-01	1088.6	1082.4	1180.4	1200
2024-08-01	1088.6	1082.4	1180.4	1200
2024-07-01	1117.2	1119.6	1180.4	1200
2024-06-01	1117.2	1119.6	1180.4	1200
2024-08-01	1192.3	1200	1193.2	1200
2024-04-01	1192.3	1200	1193.2	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Brave Knights Rapid 2025 (U13)	2025-05-03	2025-05-03	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Brave Knights Rapid 2025 (U13)	2025-05-03	2025-05-03	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
3	Strategema Chess October 2024 (U11)	2024-10-05	2024-10-05	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
4	Cape Winelands - Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
5	Robertson Strategema Chess May 2024 (U11)	2024-05-11	2024-05-11	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	Worcester PS League 2024 (U13)	2024-04-27	2024-04-27	Standard	Cape Winelands (WCW)	7	6	1	Yes	Analysis
7	Brave Knights 2024 (U11)	2024-03-16	2024-03-16	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 5	type Rapid	result 1	date 2025-05-03	rnd 6	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Riaz, R (Rummaan)
2	2	Tournament Brave Knights 2024				Tournament Brave Knights 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 6	type Rapid	result 1
		Opponent Rudolf, G (Gladwin)				Opponent Fluks, J (Jovan)
3	1	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 3	type Rapid	result 1	date 2025-05-03	rnd 3	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Erik)				Opponent Van Der Westhuizen, E (Erik)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Jacobs, L (Liam)				Opponent Jacobs, L (Liam)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Saul, S (Shuhaigan)				Opponent Saul, S (Shuhaigan)
3	1	Tournament Strategema Chess October 2024				Tournament Strategema Chess October 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Makipa, M (Michael)				Opponent Makipa, M (Michael)

#	Games	Start				End
1	2	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 5	type Rapid	result 1	date 2025-05-03	rnd 6	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Riaz, R (Rummaan)
2	2	Tournament Brave Knights 2024				Tournament Brave Knights 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 6	type Rapid	result 1
		Opponent Rudolf, G (Gladwin)				Opponent Fluks, J (Jovan)
3	1	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 3	type Rapid	result 1	date 2025-05-03	rnd 3	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Erik)				Opponent Van Der Westhuizen, E (Erik)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 5	type Rapid	result 1	date 2025-05-03	rnd 6	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Riaz, R (Rummaan)
2	2	Tournament Brave Knights 2024				Tournament Brave Knights 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 6	type Rapid	result 1
		Opponent Rudolf, G (Gladwin)				Opponent Fluks, J (Jovan)
3	1	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 3	type Rapid	result 1	date 2025-05-03	rnd 3	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Erik)				Opponent Van Der Westhuizen, E (Erik)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Jacobs, L (Liam)				Opponent Jacobs, L (Liam)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Saul, S (Shuhaigan)				Opponent Saul, S (Shuhaigan)
3	1	Tournament Strategema Chess October 2024				Tournament Strategema Chess October 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-10-05	rnd 3	type Standard	result 1
		Opponent Makipa, M (Michael)				Opponent Makipa, M (Michael)

#	Games	Start				End
1	2	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 5	type Rapid	result 1	date 2025-05-03	rnd 6	type Rapid	result 1
		Opponent Plaatjies, A (Anjali)				Opponent Riaz, R (Rummaan)
2	2	Tournament Brave Knights 2024				Tournament Brave Knights 2024
		date 2024-03-16	rnd 5	type Rapid	result 1	date 2024-03-16	rnd 6	type Rapid	result 1
		Opponent Rudolf, G (Gladwin)				Opponent Fluks, J (Jovan)
3	1	Tournament Brave Knights Rapid 2025				Tournament Brave Knights Rapid 2025
		date 2025-05-03	rnd 3	type Rapid	result 1	date 2025-05-03	rnd 3	type Rapid	result 1
		Opponent Van Der Westhuizen, E (Erik)				Opponent Van Der Westhuizen, E (Erik)

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	Diedericks ,S (Shardonique)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Diedericks ,S (Shardonique)	2	1165.1	740.1	1	1166.9	740.1	1	1130.1	740.1	0	0	0
2	Oliphant ,E (Elnique)	2	2	425	0	0	0	2	2	425	0	0	0
2	Oliphant ,E (Elnique)	2	1007.6	1432.6	0	0	0	2	1088.9	1432.6	0	0	0
3	Arendse ,C (Chrizaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Arendse ,C (Chrizaan)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Hassan ,A (Abdul)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Hassan ,A (Abdul)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Mlanjeni ,A (Amenathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mlanjeni ,A (Amenathi)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Kriel ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kriel ,D (Daniel)	1	1284.7	859.7	1	1274.6	859.7	0	0	0	0	0	0
7	Van Wyk ,C (Caylem)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Wyk ,C (Caylem)	1	1196.1	771.1	1	1185.1	771.1	0	0	0	0	0	0
8	Makipa ,M (Michael)	1	1	425	1	1	425	0	0	0	0	0	0
8	Makipa ,M (Michael)	1	1019.1	1444.1	1	1016.4	1444.1	0	0	0	0	0	0
9	Fortuin ,H (Haywill)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Fortuin ,H (Haywill)	1	1315.7	890.7	1	1234.6	890.7	0	0	0	0	0	0
10	Snyman ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Snyman ,A (Andre)	1	1369.3	944.3	1	1360.4	944.3	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

Pieterse, J (Jamel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms