Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, J (Juan)

Chess SA id

1850111515

FIDE id

Date of birth

1985-06-16 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1235.1	1200.8	1350	1300
Raw rating	1235.1	1200.8	1350	1300
Weighted rating	1235.1	1200.8	1349.1	1299
Weighted performance	0	0	0	0
Floor	735.1	700.8	850	800
K-factor	36	36	36	36
Min/Max rating change allowed	157.7	165.6	133.9	143.8
Highest rating	1255.8 2019-08-01	1213.2 2019-08-01	1441.7 2022-07-01	1300 2024-02-01
Highest raw rating	1235.1 2024-02-01	1200.8 2024-02-01	1350 2024-02-01	1300 2024-02-01
Highest weighted rating	1235.1 2025-02-01	1200.8 2024-02-01	1347 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1255.8 2019-08-01	1213.2 2019-08-01	1441.7 2022-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1235.1	1200.8	1350	1300
Analysis
Rating	1235.1	1200.8	1350	1300
Raw rating	1235.1	1200.8	1350	1300
Weighted rating	1235.1	1200.8	1349.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	735.1	700.8	850	800
Max/Min rating change allowed	157.7	165.6	133.9	143.8
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	1235.1	1200.8	1350	1300
New weighted rating	1235.1	1200.8	1349.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1235.1	1200.8	1350	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1235.1	1200.8	1350	1300
New K-factor	36	36	36	36
New floor	735.1	700.8	850	800

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	0	0	0
History	24	19	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	24	13.5	56.25	53.1	1200.8	1253.9
Standard	19	9.5	50	0	1201.8	1201.8
Rapid	5	4	80	255	1196.7	1451.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1235.1	1200.8	1350	1300
2025-09-01	1235.1	1200.8	1350	1300
2025-08-01	1235.1	1200.8	1350	1300
2025-07-01	1235.1	1200.8	1350	1300
2025-06-01	1235.1	1200.8	1350	1300
2025-05-01	1235.1	1200.8	1350	1300
2025-04-01	1235.1	1200.8	1350	1300
2025-03-01	1235.1	1200.8	1350	1300
2025-02-01	1235.1	1200.8	1350	1300
2025-01-01	1235.1	1200.8	1350	1300
2024-12-01	1235.1	1200.8	1350	1300
2024-11-01	1235.1	1200.8	1350	1300
2024-10-01	1235.1	1200.8	1350	1300
2024-09-01	1235.1	1200.8	1350	1300
2024-08-01	1235.1	1200.8	1350	1300
2024-07-01	1235.1	1200.8	1350	1300
2024-06-01	1235.1	1200.8	1350	1300
2024-08-01	1235.1	1200.8	1350	1300
2024-04-01	1235.1	1200.8	1350	1300
2024-03-01	1235.1	1200.8	1350	1300
2024-02-01	1235.1	1200.8	1350	1300
2024-01-01	1235.1	1200.8	1350	1300
2023-12-01	1235.1	1200.8	1258.4	1200
2023-11-01	1235.1	1200.8	1258.4	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	Curro Durbanville Chess Open Rapid 2022 (Parents)	2022-07-02	2022-07-02	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
2	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	1	1	Yes	Analysis
4	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	5	2	Yes	Analysis
5	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
6	Bellville Club Champs 2019 (C2)	2019-04-29	2019-06-03	Standard	Cape Town (WCT)	5	1	0	Yes	Analysis

#	Games	Start				End
1	7	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2019-08-24	rnd 3	type Standard	result 1	date 2022-07-02	rnd 3	type Rapid	result 1
		Opponent Willemse, R (Reuben)				Opponent Eksteen, K (Kobus)
2	3	Tournament Steinitz Chess Festival 2019				Tournament Steinitz Chess Festival 2019
		date 2019-04-06	rnd 4	type Standard	result 0.5	date 2019-04-07	rnd 6	type Standard	result 1
		Opponent Crotz, K (Kirsten)				Opponent Steininger, A (Alexander)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 8	type Standard	result 1	date 2019-08-10	rnd 9	type Standard	result 1
		Opponent Jackson, M (Minenthle)				Opponent Vermeulen, I (Inge)

#	Games	Start				End
1	4	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 3	type Standard	result 1	date 2019-08-24	rnd 6	type Standard	result 1
		Opponent Willemse, R (Reuben)				Opponent Korobele, L (Lethabo)
2	3	Tournament Steinitz Chess Festival 2019				Tournament Steinitz Chess Festival 2019
		date 2019-04-06	rnd 4	type Standard	result 0.5	date 2019-04-07	rnd 6	type Standard	result 1
		Opponent Crotz, K (Kirsten)				Opponent Steininger, A (Alexander)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 8	type Standard	result 1	date 2019-08-10	rnd 9	type Standard	result 1
		Opponent Jackson, M (Minenthle)				Opponent Vermeulen, I (Inge)

#	Games	Start				End
1	3	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-07-02	rnd 1	type Rapid	result 1	date 2022-07-02	rnd 3	type Rapid	result 1
		Opponent Noble, H (Helen)				Opponent Eksteen, K (Kobus)
2	1	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-07-02	rnd 5	type Rapid	result 1	date 2022-07-02	rnd 5	type Rapid	result 1
		Opponent Kariem, N (Naseem)				Opponent Kariem, N (Naseem)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2019-08-24	rnd 6	type Standard	result 1	date 2022-07-02	rnd 3	type Rapid	result 1
		Opponent Korobele, L (Lethabo)				Opponent Eksteen, K (Kobus)
2	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 3	type Standard	result 1	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Willemse, R (Reuben)				Opponent Matthee, A (Anieka)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 8	type Standard	result 1	date 2019-08-10	rnd 9	type Standard	result 1
		Opponent Jackson, M (Minenthle)				Opponent Vermeulen, I (Inge)

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 3	type Standard	result 1	date 2019-08-24	rnd 4	type Standard	result 1
		Opponent Willemse, R (Reuben)				Opponent Matthee, A (Anieka)
2	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 8	type Standard	result 1	date 2019-08-10	rnd 9	type Standard	result 1
		Opponent Jackson, M (Minenthle)				Opponent Vermeulen, I (Inge)
3	1	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 6	type Standard	result 1	date 2019-08-24	rnd 6	type Standard	result 1
		Opponent Korobele, L (Lethabo)				Opponent Korobele, L (Lethabo)

#	Games	Start				End
1	3	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-07-02	rnd 1	type Rapid	result 1	date 2022-07-02	rnd 3	type Rapid	result 1
		Opponent Noble, H (Helen)				Opponent Eksteen, K (Kobus)
2	1	Tournament Curro Durbanville Chess Open Rapid 2022				Tournament Curro Durbanville Chess Open Rapid 2022
		date 2022-07-02	rnd 5	type Rapid	result 1	date 2022-07-02	rnd 5	type Rapid	result 1
		Opponent Kariem, N (Naseem)				Opponent Kariem, N (Naseem)

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	Imrie ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Imrie ,D (Daniel)	1	1125	700	1	1112.6	700	0	0	0	0	0	0
2	Matthee ,A (Anieka)	1	1	425	1	1	425	0	0	0	0	0	0
2	Matthee ,A (Anieka)	1	1358.8	1783.8	1	1367.3	1783.8	0	0	0	0	0	0
3	Pieters ,W (Warren)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pieters ,W (Warren)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Mthi ,Y (Yamkela)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mthi ,Y (Yamkela)	1	1418.1	993.1	1	1395.2	993.1	0	0	0	0	0	0
5	Jaffer ,U (Uzair)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jaffer ,U (Uzair)	1	1023.2	598.2	1	1023.8	598.2	0	0	0	0	0	0
6	Jackson ,M (Minenthle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jackson ,M (Minenthle)	1	1076.8	1501.8	1	1053.2	1501.8	0	0	0	0	0	0
7	Maruma ,K (Katlego)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maruma ,K (Katlego)	1	1165	740	1	1083.6	740	0	0	0	0	0	0
8	Nabela ,A (Alutshitshi)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nabela ,A (Alutshitshi)	1	1056.8	1481.8	1	967.5	1481.8	0	0	0	0	0	0
9	Barodien ,L (Luqmaan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Barodien ,L (Luqmaan)	1	1074.9	1499.9	1	1049.2	1499.9	0	0	0	0	0	0
10	Allie ,A (Alliyah)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Allie ,A (Alliyah)	1	1155	1155	1	1095.9	1155	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

Pretorius, J (Juan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms