Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, C (Cornelia)

Chess SA id

2140160325

FIDE id

Date of birth

2014-05-15 (U12)

Gender

Female

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-08

Personal details last changed

1900-01-01

Junior GPX Games

26.5

Junior GPX Points

1110.8

Item	Main	Standard	Rapid	Blitz
Rating	1223.6	1193.1	1276.7	1200
Raw rating	1223.6	1193	1276.7	1200
Weighted rating	1194.6	1193.1	1220.9	1200
Weighted performance	1185.6	1070.8	0	0
Floor	723.6	700	776.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.3	167.5	148.6	165.8
Highest rating	1223.6 2025-09-01	1200 2018-10-01	1276.7 2025-09-01	1200 2018-10-01
Highest raw rating	1223.6 2025-09-01	1200 2024-03-01	1276.7 2025-09-01	1200 2024-03-01
Highest weighted rating	1204.3 2018-10-01	1200 2018-10-01	1213.7 2018-10-01	1200 2018-10-01
Highest weighted performance	1211.3 2025-09-01	1200 2024-03-01	1237.9 2024-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.1	0	0
New rating	1223.6	1193	1276.7	1200
Analysis
Rating	1223.6	1193.1	1276.7	1200
Raw rating	1223.6	1193	1276.7	1200
Weighted rating	1194.6	1193.1	1220.9
Weighted performance	1185.6	1070.8	0
K-factor	36	36	36	36
Floor	723.6	700	776.7	700
Max/Min rating change allowed	160.3	167.5	148.6	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	1223.6	1193	1276.7	1200
New weighted rating	1197.4	1192.9	1226.8	1200
New weighted performance	1178.4	1064.2	0	0
Temp new rating	1223.6	1193	1276.7	1200
Temp new rating +/-	0	-0.1	0	0
Final new rating +/-	0	-0.1	0	0
New rating	1223.6	1193	1276.7	1200
New K-factor	36	36	36	36
New floor	723.6	700	776.7	700

Item	Main	Standard	Rapid
	0	0	0
	24	19	5
	10	5	5
	5	0	5
	0	0	0
	0	0	0
History	39	24	15

Games since
	Main 34	Standard 24		Rapid 10		Blitz 0
Gender	Female
Age group	U12
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	24	11	45.83	-35.4	1223.3	1187.9
Standard	19	7	36.84	-111.8	1222.5	1110.6
Rapid	5	4	80	255	1226.7	1481.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	39	18	46.15	-32.7	1211.4	1178.7
Standard	24	9	37.5	-106.2	1210.1	1103.8
Rapid	15	9	60	85	1213.5	1298.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1223.6	1193	1276.7	1200
2025-09-30	1223.6	1193	1276.7	1200
2025-09-01	1223.6	1193	1276.7	1200
2025-08-01	1185.1	1193	1213.7	1200
2025-07-01	1184.2	1192.4	1213.7	1200
2025-06-01	1182.9	1191	1213.7	1200
2025-05-01	1185.7	1194.9	1213.7	1200
2025-04-01	1185.7	1194.9	1213.7	1200
2025-03-01	1185.7	1194.9	1213.7	1200
2025-02-01	1185.4	1193.5	1213.7	1200
2025-01-01	1180.7	1171.6	1213.7	1200
2024-12-01	1180.7	1171.6	1213.7	1200
2024-11-01	1204.3	1200	1213.7	1200
2024-10-01	1204.3	1200	1213.7	1200
2024-09-01	1204.3	1200	1213.7	1200
2024-08-01	1178.8	1200	1165.1	1200
2024-07-01	1178.8	1200	1165.1	1200
2024-09-01	1178.8	1200	1165.1	1200
2024-05-01	1178.8	1200	1165.1	1200
2024-04-01	1178.8	1200	1165.1	1200
2024-03-01	1178.8	1200	1165.1	1200
2024-02-01	1178.8	1200	1165.1	1200
2024-01-01	1178.8	1200	1165.1	1200
2023-12-01	1178.8	1200	1165.1	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	Rookies Tournament Secunda 2025 (U11)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
2	2025 Wynie Robbertse Chess Tournament (D)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2025 Jacaranda Round Robin Open Chess Tournament (Q)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Elise Steenkamp Open Chess Tournament (Bishop)	2025-06-14	2025-06-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
5	2025 Silver Lakes Chess Club Open Chess Tournament (D)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rookies Tournament Secunda 2025 (U11)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis
2	2025 Wynie Robbertse Chess Tournament (D)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2025 Jacaranda Round Robin Open Chess Tournament (Q)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Elise Steenkamp Open Chess Tournament (Bishop)	2025-06-14	2025-06-15	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
5	2025 Silver Lakes Chess Club Open Chess Tournament (D)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
6	Lardies Ope 2024 (C)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	Govan Mbeki 2024 (U11)	2024-08-02	2024-08-02	Rapid	Gert Sibande (MGS)	5	5	3.5	Yes	Analysis
8	Govin Mbeki Teams Chess Tournament 2023 (U9)	2023-08-18	2023-08-18	Rapid	Gert Sibande (MGS)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament Rookies Tournament Secunda 2025
		date 2025-07-19	rnd 5	type Standard	result 1	date 2025-08-08	rnd 3	type Rapid	result 1
		Opponent Matsane, E (Eden)				Opponent Schumper, A (AC)
2	4	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 5	type Rapid	result 0.5
		Opponent Neto, M (Manny)				Opponent Erasmus, T (Tylor)
3	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Pooe, L (Lebogang)				Opponent Theron, D (Dylan)

#	Games	Start				End
1	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Pooe, L (Lebogang)				Opponent Theron, D (Dylan)
2	2	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-15	rnd 5	type Standard	result 1	date 2025-06-21	rnd 1	type Standard	result 1
		Opponent Peens, M (Marnus)				Opponent Leshabane, L (Lesego)
3	1	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Wynie Robbertse Chess Tournament
		date 2025-07-19	rnd 5	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Matsane, E (Eden)				Opponent Matsane, E (Eden)

#	Games	Start				End
1	7	Tournament Govan Mbeki 2024				Tournament Rookies Tournament Secunda 2025
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2025-08-08	rnd 3	type Rapid	result 1
		Opponent Neto, M (Manny)				Opponent Schumper, A (AC)
2	1	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 5	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Sindane, N (Nonhle)				Opponent Sindane, N (Nonhle)
3	1	Tournament Govin Mbeki Teams Chess Tournament 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-18	rnd 4	type Rapid	result 1	date 2023-08-18	rnd 4	type Rapid	result 1
		Opponent Shabalala, L (Luhlutando)				Opponent Shabalala, L (Luhlutando)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament Rookies Tournament Secunda 2025
		date 2025-07-19	rnd 5	type Standard	result 1	date 2025-08-08	rnd 3	type Rapid	result 1
		Opponent Matsane, E (Eden)				Opponent Schumper, A (AC)
2	3	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Neto, M (Manny)				Opponent Hadebe, N (Nkayezi)
3	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Pooe, L (Lebogang)				Opponent Theron, D (Dylan)

#	Games	Start				End
1	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 3	type Standard	result 1	date 2025-06-21	rnd 4	type Standard	result 1
		Opponent Pooe, L (Lebogang)				Opponent Theron, D (Dylan)
2	2	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-15	rnd 5	type Standard	result 1	date 2025-06-21	rnd 1	type Standard	result 1
		Opponent Peens, M (Marnus)				Opponent Leshabane, L (Lesego)
3	1	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament 2025 Wynie Robbertse Chess Tournament
		date 2025-07-19	rnd 5	type Standard	result 1	date 2025-07-19	rnd 5	type Standard	result 1
		Opponent Matsane, E (Eden)				Opponent Matsane, E (Eden)

#	Games	Start				End
1	3	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 1	type Rapid	result 1	date 2025-08-08	rnd 3	type Rapid	result 1
		Opponent Turbridge, J (Joshua)				Opponent Schumper, A (AC)
2	3	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 2	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Neto, M (Manny)				Opponent Hadebe, N (Nkayezi)
3	1	Tournament Rookies Tournament Secunda 2025				Tournament Rookies Tournament Secunda 2025
		date 2025-08-08	rnd 5	type Rapid	result 1	date 2025-08-08	rnd 5	type Rapid	result 1
		Opponent Sindane, N (Nonhle)				Opponent Sindane, N (Nonhle)

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	Erasmus ,T (Trisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Erasmus ,T (Trisa)	1	1440.1	1015.1	1	1438.9	1015.1	0	0	0	0	0	0
2	De Beer ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	De Beer ,L (Liam)	1	1140.1	715.1	1	1141.2	715.1	0	0	0	0	0	0
3	Thobela ,A (Ayanda)	1	1	425	1	1	425	0	0	0	0	0	0
3	Thobela ,A (Ayanda)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Leshabane ,L (Lesego)	1	1	425	1	1	425	0	0	0	0	0	0
4	Leshabane ,L (Lesego)	1	1181.6	1606.6	1	1176.8	1606.6	0	0	0	0	0	0
5	Le Roux ,E (Etienne)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Le Roux ,E (Etienne)	1	1072.3	647.3	1	1064.8	647.3	0	0	0	0	0	0
6	Lubbe ,E (Elisha)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lubbe ,E (Elisha)	1	1201.4	776.4	1	1201.6	776.4	0	0	0	0	0	0
7	Groom ,A (Angelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Groom ,A (Angelo)	1	1294.8	869.8	1	1290.4	869.8	0	0	0	0	0	0
8	Van Biljon ,J (Janina)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Biljon ,J (Janina)	1	1289.3	864.3	1	1286.5	864.3	0	0	0	0	0	0
9	Pooe ,L (Lebogang)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pooe ,L (Lebogang)	1	1199.4	1624.4	1	1200.4	1624.4	0	0	0	0	0	0
10	Belle ,U (Unathi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Belle ,U (Unathi)	1	1105.7	1530.7	1	1084.4	1530.7	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, C (Cornelia)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms