Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, S (Stephan Nicolaas)

Chess SA id

1130144044

FIDE id

Date of birth

2013-09-16 (U14)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-05-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1183.3	1131.7	1258.4	1200
Raw rating	1183.3	1131.7	1258.4	1200
Weighted rating	1182.8	1131.6	1258.4	1200
Weighted performance	0	0	0	0
Floor	700	700	758.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.8	182.8	152.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1464 2023-08-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1258.4 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1258.4 2025-07-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1464 2023-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1183.3	1131.7	1258.4	1200
Analysis
Rating	1183.3	1131.7	1258.4	1200
Raw rating	1183.3	1131.7	1258.4	1200
Weighted rating	1182.8	1131.6	1258.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	758.4	700
Max/Min rating change allowed	169.8	182.8	152.6	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	1183.3	1131.7	1258.4	1200
New weighted rating	1182.7	1131.6	1258.4	1200
New weighted performance	0	0	0	0
Temp new rating	1183.3	1131.7	1258.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1183.3	1131.7	1258.4	1200
New K-factor	36	36	36	36
New floor	700	700	758.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	10	5	5
	9	9	0
	0	0	0
History	24	19	5

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	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	12	50	0	1168.5	1168.5
Standard	19	8	42.11	-67.1	1164.3	1097.2
Rapid	5	4	80	255	1184.4	1439.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1183.3	1131.7	1258.4	1200
2025-09-30	1183.3	1131.7	1258.4	1200
2025-09-01	1183.3	1131.7	1258.4	1200
2025-08-01	1183.3	1131.7	1258.4	1200
2025-07-01	1183.3	1131.7	1258.4	1200
2025-06-01	1183.3	1131.7	1258.4	1200
2025-05-01	1183.2	1131.7	1258.4	1200
2025-04-01	1182.9	1131.7	1258.4	1200
2025-03-01	1182.6	1131.7	1258.4	1200
2025-02-01	1182	1131.7	1258.4	1200
2025-01-01	1180	1131.2	1258.4	1200
2024-12-01	1180	1131.2	1258.4	1200
2024-11-01	1180	1131.2	1258.4	1200
2024-10-01	1180	1131.2	1258.4	1200
2024-09-01	1180	1131.2	1258.4	1200
2024-08-01	1180	1131.2	1258.4	1200
2024-07-01	1180	1131.2	1258.4	1200
2024-09-01	1180	1131.2	1258.4	1200
2024-05-01	1191	1132.4	1258.4	1200
2024-04-01	1191	1132.4	1258.4	1200
2024-03-01	1191	1132.4	1258.4	1200
2024-02-01	1191	1132.4	1258.4	1200
2024-01-01	1191	1132.4	1258.4	1200
2023-12-01	1191	1132.4	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	Schoemies' Kwaggarus Chess Getaway 2024 (Junior)	2024-05-18	2024-05-18	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
2	Bojanala School League 2023 (U11)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
3	Harties Wolf Pack 2023 (Knights)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
4	Bojanala Chess Federation Clash of Schools 2022 (PS Juniors)	2022-07-23	2022-07-23	Standard	Bojanala Platina (NBR)	4	4	1	Yes	Analysis
5	2nd One For The Ages 2022 (U10)	2022-07-30	2022-07-30	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Bojanala School League 2023				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2024-05-18	rnd 1	type Standard	result 1
		Opponent Joutse, T (Thibello)				Opponent Sengfeng, TG (Thoane Goabaone)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament 2nd One For The Ages 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Heyneke, R (Rj)				Opponent Gaboutlwelwe, K (Kgosi)
3	1	Tournament Schoemies' Kwaggarus Chess Getaway 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-05-18	rnd 5	type Standard	result 0.5	date 2024-05-18	rnd 5	type Standard	result 0.5
		Opponent De Villiers, R (Ryan)				Opponent De Villiers, R (Ryan)

#	Games	Start				End
1	2	Tournament Harties Wolf Pack 2023				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2023-01-21	rnd 5	type Standard	result 1	date 2024-05-18	rnd 1	type Standard	result 1
		Opponent Ramothwala, T (Tiisetso)				Opponent Sengfeng, TG (Thoane Goabaone)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament 2nd One For The Ages 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Heyneke, R (Rj)				Opponent Gaboutlwelwe, K (Kgosi)
3	1	Tournament Schoemies' Kwaggarus Chess Getaway 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-05-18	rnd 5	type Standard	result 0.5	date 2024-05-18	rnd 5	type Standard	result 0.5
		Opponent De Villiers, R (Ryan)				Opponent De Villiers, R (Ryan)

#	Games	Start				End
1	4	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Joutse, T (Thibello)				Opponent Tolo, R (Reatlegile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Bojanala School League 2023				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2024-05-18	rnd 1	type Standard	result 1
		Opponent Joutse, T (Thibello)				Opponent Sengfeng, TG (Thoane Goabaone)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament 2nd One For The Ages 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Heyneke, R (Rj)				Opponent Gaboutlwelwe, K (Kgosi)
3	1	Tournament Schoemies' Kwaggarus Chess Getaway 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Van Oudtshoorn, R (Roch�)				Opponent Van Oudtshoorn, R (Roch�)

#	Games	Start				End
1	2	Tournament Harties Wolf Pack 2023				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2023-01-21	rnd 5	type Standard	result 1	date 2024-05-18	rnd 1	type Standard	result 1
		Opponent Ramothwala, T (Tiisetso)				Opponent Sengfeng, TG (Thoane Goabaone)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament 2nd One For The Ages 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-30	rnd 1	type Standard	result 1
		Opponent Heyneke, R (Rj)				Opponent Gaboutlwelwe, K (Kgosi)
3	1	Tournament Schoemies' Kwaggarus Chess Getaway 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent Van Oudtshoorn, R (Roch�)				Opponent Van Oudtshoorn, R (Roch�)

#	Games	Start				End
1	4	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 2	type Rapid	result 1	date 2023-08-19	rnd 5	type Rapid	result 1
		Opponent Joutse, T (Thibello)				Opponent Tolo, R (Reatlegile)

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	Sengfeng ,TG (Thoane Goabaone)	1	1	425	1	1	425	0	0	0	0	0	0
1	Sengfeng ,TG (Thoane Goabaone)	1	1139.3	1564.3	1	1127.2	1564.3	0	0	0	0	0	0
2	Diedericks ,T (Tyler)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Diedericks ,T (Tyler)	1	1211.4	786.4	1	1212.8	786.4	0	0	0	0	0	0
3	Kakana ,N (Nqobile)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Kakana ,N (Nqobile)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
4	Du Preez ,A (Amrin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Du Preez ,A (Amrin)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Pieterse ,J (Jurgens)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Pieterse ,J (Jurgens)	1	1159.4	734.4	1	1151.6	734.4	0	0	0	0	0	0
6	Gaboutlwelwe ,K (Kgosi)	1	1	425	1	1	425	0	0	0	0	0	0
6	Gaboutlwelwe ,K (Kgosi)	1	1178.8	1603.8	1	1174	1603.8	0	0	0	0	0	0
7	De Villiers ,R (Ryan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	De Villiers ,R (Ryan)	1	1051.2	1051.2	1	1077.2	1051.2	0	0	0	0	0	0
8	Heyneke ,R (Rj)	1	1	425	1	1	425	0	0	0	0	0	0
8	Heyneke ,R (Rj)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Netangaheni ,N (Ndiene)	1	1	425	1	1	425	0	0	0	0	0	0
9	Netangaheni ,N (Ndiene)	1	1230.9	1655.9	1	1236.4	1655.9	0	0	0	0	0	0
10	Ramothwala ,T (Tiisetso)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ramothwala ,T (Tiisetso)	1	1200	1625	1	1200	1625	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

Pretorius, S (Stephan Nicolaas)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms