Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, RS (Riandri Stefanie)

Chess SA id

202030968

FIDE id

Date of birth

2002-12-29 (Adult)

Gender

Female

Region

Lejweleputswa (FLW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1087.6	1086.6	878.6	878.6
Raw rating	1087.6	1086.6	878.6	878.6
Weighted rating	1087.6	1086.6	878.6	878.6
Weighted performance	225.9	224.6	0	0
Floor	587.6	588.6	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	194.6	194.9	262.1	262.1
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1087.6 2024-02-01	1088.6 2019-12-01	878.6 2024-02-01	878.6 2024-02-01
Highest weighted rating	1087.6 2024-11-01	1088.6 2024-11-01	878.6 2024-11-01	878.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1087.6	1086.6	878.6	878.6
Analysis
Rating	1087.6	1086.6	878.6	878.6
Raw rating	1087.6	1086.6	878.6	878.6
Weighted rating	1087.6	1086.6	878.6
Weighted performance	225.9	224.6	0
K-factor	40	40	40	40
Floor	587.6	588.6	500	500
Max/Min rating change allowed	194.6	194.9	262.1	262.1
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	1087.6	1086.6	878.6	878.6
New weighted rating	1087.6	1086.6	878.6	878.6
New weighted performance	225.5	224.2	0	0
Temp new rating	1087.6	1086.6	878.6	878.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1087.6	1086.6	878.6	878.6
New K-factor	40	40	40	40
New floor	587.6	588.6	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	242	237	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Lejweleputswa (FLW)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	54	28.5	52.78	23.6	992.5	1016.2
Standard	54	28.5	52.78	23.6	992.5	1016.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1087.6	1086.6	878.6	878.6
2025-09-01	1087.6	1086.6	878.6	878.6
2025-08-01	1087.6	1086.6	878.6	878.6
2025-07-01	1087.6	1086.6	878.6	878.6
2025-06-01	1087.6	1086.6	878.6	878.6
2025-05-01	1087.6	1086.6	878.6	878.6
2025-04-01	1087.6	1086.6	878.6	878.6
2025-03-01	1087.6	1086.6	878.6	878.6
2025-02-01	1087.6	1086.6	878.6	878.6
2025-01-01	1087.6	1086.6	878.6	878.6
2024-12-01	1087.6	1086.6	878.6	878.6
2024-11-01	1087.6	1086.6	878.6	878.6
2024-10-01	1087.6	1086.6	878.6	878.6
2024-09-01	1087.6	1086.6	878.6	878.6
2024-08-01	1087.6	1086.6	878.6	878.6
2024-07-01	1087.6	1086.6	878.6	878.6
2024-06-01	1087.6	1086.6	878.6	878.6
2024-08-01	1087.6	1086.6	878.6	878.6
2024-04-01	1087.6	1086.6	878.6	878.6
2024-03-01	1087.6	1086.6	878.6	878.6
2024-02-01	1087.6	1086.6	878.6	878.6
2024-01-01	1087.6	1086.6	878.6	878.6
2023-12-01	1087.6	1086.6	878.6	878.6
2023-11-01	1087.6	1086.6	878.6	878.6

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 South African Junior Team Championships (U18C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis
2	Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open)	2019-06-15	2019-06-15	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
3	Lejweleputswa 5th Qualifier 2019 (Open)	2019-04-13	2019-04-13	Standard	Lejweleputswa (FLW)	5	3	1	Yes	Analysis
4	South African Junior Team Championships 2018 (U18C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	6	Yes	Analysis
5	Lejweleputswa 1st Qualifier 2019 (U18)	2018-10-27	2018-10-27	Standard	Lejweleputswa (FLW)	5	2	2	Yes	Analysis
6	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	2.5	Yes	Analysis
7	Lejweleputswa 5th Qualifying Swiss Open Tournament 2018 (Open)	2018-04-21	2018-04-21	Standard	Lejweleputswa (FLW)	5	4	1	Yes	Analysis
8	Lejweleputswa 4th Qualifying Swiss Open Tournament 2018 (B)	2018-03-10	2018-03-10	Standard	Lejweleputswa (FLW)	5	5	1	Yes	Analysis
9	Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (Open)	2018-02-24	2018-02-24	Standard	Lejweleputswa (FLW)	5	5	2.5	Yes	Analysis
10	Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018 (D)	2018-01-27	2018-01-27	Standard	Lejweleputswa (FLW)	5	5	3.5	Yes	Analysis
11	South African Junior Team Championships 2017 (U16C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament Lejweleputswa 1st Qualifier 2019				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 1	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Malan, MJ (Mathys)				Opponent Letuka, TS (Tumo)
2	4	Tournament Lejweleputswa 5th Qualifying Swiss Open Tournament 2018				Tournament Inter Regional 2018
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-05-05	rnd 3	type Standard	result 1
		Opponent Monyollo, M (Mopholosi)				Opponent Shaba, K (Keneuwe)
3	3	Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018
		date 2018-01-27	rnd 3	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Van Biljon, H (Hanre)				Opponent De Abreu, C (Cristiano)

#	Games	Start				End
1	9	Tournament Lejweleputswa 1st Qualifier 2019				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 1	type Standard	result 1	date 2018-12-20	rnd 7	type Standard	result 1
		Opponent Malan, MJ (Mathys)				Opponent Letuka, TS (Tumo)
2	4	Tournament Lejweleputswa 5th Qualifying Swiss Open Tournament 2018				Tournament Inter Regional 2018
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-05-05	rnd 3	type Standard	result 1
		Opponent Monyollo, M (Mopholosi)				Opponent Shaba, K (Keneuwe)
3	3	Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018
		date 2018-01-27	rnd 3	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Van Biljon, H (Hanre)				Opponent De Abreu, C (Cristiano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Lejweleputswa 1st Qualifier 2019				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 1	type Standard	result 1	date 2018-12-17	rnd 3	type Standard	result 1
		Opponent Malan, MJ (Mathys)				Opponent Mothata, K (Kagano)
2	3	Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018
		date 2018-01-27	rnd 3	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Van Biljon, H (Hanre)				Opponent De Abreu, C (Cristiano)
3	2	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 5	type Standard	result 1	date 2020-01-08	rnd 7	type Standard	result 1
		Opponent Du Plessis, F (Francois)				Opponent Ledwaba, T (Tebogo)

#	Games	Start				End
1	5	Tournament Lejweleputswa 1st Qualifier 2019				Tournament South African Junior Team Championships 2018
		date 2018-10-27	rnd 1	type Standard	result 1	date 2018-12-17	rnd 3	type Standard	result 1
		Opponent Malan, MJ (Mathys)				Opponent Mothata, K (Kagano)
2	3	Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018				Tournament Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018
		date 2018-01-27	rnd 3	type Standard	result 1	date 2018-01-27	rnd 5	type Standard	result 1
		Opponent Van Biljon, H (Hanre)				Opponent De Abreu, C (Cristiano)
3	2	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-06	rnd 5	type Standard	result 1	date 2020-01-08	rnd 7	type Standard	result 1
		Opponent Du Plessis, F (Francois)				Opponent Ledwaba, T (Tebogo)

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	Malan ,MJ (Mathys Johannes)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Malan ,MJ (Mathys Johannes)	3	1149.7	1008	3	1148.1	1008	0	0	0	0	0	0
2	Menyatso ,LE (Lekhoethe Edward)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Menyatso ,LE (Lekhoethe Edward)	2	939.8	514.8	2	956	514.8	0	0	0	0	0	0
3	Dlamini ,V (Valentino)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Dlamini ,V (Valentino)	1	1221	796	1	1222.7	796	0	0	0	0	0	0
4	Beyers ,A (Aaron)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Beyers ,A (Aaron)	1	1072.3	1072.3	1	1078.8	1072.3	0	0	0	0	0	0
5	Pietersen ,G (Genevieve)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Pietersen ,G (Genevieve)	1	1046.6	621.6	1	989.8	621.6	0	0	0	0	0	0
6	Nemarumane ,P (Pandelani)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nemarumane ,P (Pandelani)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Munien ,P (Paul)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Munien ,P (Paul)	1	1028.2	603.2	1	1028.2	603.2	0	0	0	0	0	0
8	Rode ,CM (Christoph Maritz)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Rode ,CM (Christoph Maritz)	1	1252	827	1	1244.9	827	0	0	0	0	0	0
9	Roos ,M (Marko)	1	1	425	1	1	425	0	0	0	0	0	0
9	Roos ,M (Marko)	1	592.4	1017.4	1	592.4	1017.4	0	0	0	0	0	0
10	Kungwayo ,M (Mbasa)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kungwayo ,M (Mbasa)	1	1390.7	965.7	1	1379.2	965.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Pretorius, RS (Riandri Stefanie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms