Chess South Africa Ratings Database

PLAYER PAGE

Personal

Potgieter, J (Juwen)

Chess SA id

102030639

FIDE id

Date of birth

2002-12-18 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-07-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	977.4	977.8	949.8	985.8
Raw rating	977.4	977.8	949.8	985.8
Weighted rating	977.4	977.8	949.8	985.8
Weighted performance	68.7	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	227.7	227.6	236.8	225
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-11-01
Highest raw rating	994.2 2018-07-01	998.2 2018-07-01	949.8 2024-02-01	985.8 2024-02-01
Highest weighted rating	994.2 2024-11-01	998.2 2024-11-01	949.8 2024-11-01	985.8 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	977.4	977.8	949.8	985.8
Analysis
Rating	977.4	977.8	949.8	985.8
Raw rating	977.4	977.8	949.8	985.8
Weighted rating	977.4	977.8	949.8
Weighted performance	68.7	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	227.7	227.6	236.8	225
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	977.4	977.8	949.8	985.8
New weighted rating	977.4	977.8	949.8	985.8
New weighted performance	67.6	0	0	0
Temp new rating	977.4	977.8	949.8	985.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	977.4	977.8	949.8	985.8
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	287	280	7

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	23	11.5	50	0	1036.4	1036.4
Standard	16	6.5	40.62	-79.7	1104.7	1025
Rapid	0	0	0	0	0	0
Blitz	7	5	71.43	182.1	880.2	1062.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	977.4	977.8	949.8	985.8
2025-09-01	977.4	977.8	949.8	985.8
2025-08-01	977.4	977.8	949.8	985.8
2025-07-01	977.4	977.8	949.8	985.8
2025-06-01	977.4	977.8	949.8	985.8
2025-05-01	977.4	977.8	949.8	985.8
2025-04-01	977.4	977.8	949.8	985.8
2025-03-01	977.4	977.8	949.8	985.8
2025-02-01	977.4	977.8	949.8	985.8
2025-01-01	977.4	977.8	949.8	985.8
2024-12-01	977.4	977.8	949.8	985.8
2024-11-01	977.4	977.8	949.8	985.8
2024-10-01	977.4	977.8	949.8	985.8
2024-09-01	977.4	977.8	949.8	985.8
2024-08-01	977.4	977.8	949.8	985.8
2024-07-01	977.4	977.8	949.8	985.8
2024-06-01	977.4	977.8	949.8	985.8
2024-08-01	977.4	977.8	949.8	985.8
2024-04-01	977.4	977.8	949.8	985.8
2024-03-01	977.4	977.8	949.8	985.8
2024-02-01	977.4	977.8	949.8	985.8
2024-01-01	977.4	977.8	949.8	985.8
2023-12-01	977.4	977.8	949.8	985.8
2023-11-01	977.4	977.8	949.8	985.8

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	Mangaung Metro Chess 27-28 July 2018 (B)	2018-07-27	2018-07-28	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
2	Mangaung Metro Chess 1-2 June 2018 (C)	2018-06-01	2018-06-02	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
3	South African Junior Blitz 2017 Championships (B)	2018-01-07	2018-01-07	Blitz	4 Knights (4K)	7	7	5	Yes	Analysis
4	South African Junior Team Championships 2017 (U16A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	0.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-06-01	rnd 2	type Standard	result 1	date 2018-07-27	rnd 2	type Standard	result 1
		Opponent Rakumakoe, O (Oratile)				Opponent Eliades, V (Veronica)
2	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Ntshabele, TP (Tokologo)				Opponent Smith, JD (Jayden)
3	2	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 2	type Blitz	result 1
		Opponent Radley, H (Henning)				Opponent Barnard, S (Schalk)

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-06-01	rnd 2	type Standard	result 1	date 2018-07-27	rnd 2	type Standard	result 1
		Opponent Rakumakoe, O (Oratile)				Opponent Eliades, V (Veronica)
2	1	Tournament Mangaung Metro Chess 27-28 July 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-07-28	rnd 4	type Standard	result 1
		Opponent Moticoe, R (Reabetswe)				Opponent Moticoe, R (Reabetswe)
3	1	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-05	rnd 3	type Standard	result 0.5	date 2018-01-05	rnd 3	type Standard	result 0.5
		Opponent Higgins, F (Franco)				Opponent Higgins, F (Franco)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Ntshabele, TP (Tokologo)				Opponent Smith, JD (Jayden)
2	2	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 2	type Blitz	result 1
		Opponent Radley, H (Henning)				Opponent Barnard, S (Schalk)

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-06-01	rnd 2	type Standard	result 1	date 2018-07-27	rnd 2	type Standard	result 1
		Opponent Rakumakoe, O (Oratile)				Opponent Eliades, V (Veronica)
2	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Ntshabele, TP (Tokologo)				Opponent Smith, JD (Jayden)
3	2	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 2	type Blitz	result 1
		Opponent Radley, H (Henning)				Opponent Barnard, S (Schalk)

#	Games	Start				End
1	5	Tournament Mangaung Metro Chess 1-2 June 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-06-01	rnd 2	type Standard	result 1	date 2018-07-27	rnd 2	type Standard	result 1
		Opponent Rakumakoe, O (Oratile)				Opponent Eliades, V (Veronica)
2	1	Tournament Mangaung Metro Chess 27-28 July 2018				Tournament Mangaung Metro Chess 27-28 July 2018
		date 2018-07-28	rnd 4	type Standard	result 1	date 2018-07-28	rnd 4	type Standard	result 1
		Opponent Moticoe, R (Reabetswe)				Opponent Moticoe, R (Reabetswe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 5	type Blitz	result 1	date 2018-01-07	rnd 7	type Blitz	result 1
		Opponent Ntshabele, TP (Tokologo)				Opponent Smith, JD (Jayden)
2	2	Tournament South African Junior Blitz 2017 Championships				Tournament South African Junior Blitz 2017 Championships
		date 2018-01-07	rnd 1	type Blitz	result 1	date 2018-01-07	rnd 2	type Blitz	result 1
		Opponent Radley, H (Henning)				Opponent Barnard, S (Schalk)

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	Gertenbach ,J (Jeandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Gertenbach ,J (Jeandre)	1	994.8	569.8	1	1018	569.8	0	0	0	0	0	0
2	Mphale ,T (Thuto)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mphale ,T (Thuto)	1	899	1324	1	901.1	1324	0	0	0	0	0	0
3	Reddy ,S (Sachin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Reddy ,S (Sachin)	1	1537.6	1112.6	1	1537.6	1112.6	0	0	0	0	0	0
4	Motshweneng ,G (Goitumetswe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Motshweneng ,G (Goitumetswe)	1	819.7	1244.7	1	762.8	1244.7	0	0	0	0	0	0
5	Sapere ,R (Rafael)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Sapere ,R (Rafael)	1	1194.1	769.1	1	1194.1	769.1	0	0	0	0	0	0
6	Coetzee ,J (Jeanre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Coetzee ,J (Jeanre)	1	1191.2	766.2	1	1177.4	766.2	0	0	0	0	0	0
7	Moticoe ,R (Reabetswe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Moticoe ,R (Reabetswe)	1	765.3	1190.3	1	762.7	1190.3	0	0	0	0	0	0
8	Higgins ,F (Franco)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Higgins ,F (Franco)	1	1074.8	1074.8	1	1074.8	1074.8	0	0	0	0	0	0
9	Eliades ,V (Veronica)	1	1	425	1	1	425	0	0	0	0	0	0
9	Eliades ,V (Veronica)	1	548.2	973.2	1	553.2	973.2	0	0	0	0	0	0
10	Monyau ,A (Aogester)	1	1	425	1	1	425	0	0	0	0	0	0
10	Monyau ,A (Aogester)	1	1013.4	1438.4	1	997.3	1438.4	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

Potgieter, J (Juwen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms