Chess South Africa Ratings Database

PLAYER PAGE

Personal

Opperman, K (Kelly-Ann)

Chess SA id

2110153189

FIDE id

Date of birth

2011-03-07 (U16)

Gender

Female

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1169.5	1113.5	1310.2	1200
Raw rating	1169.5	1113.5	1310.2	1200
Weighted rating	1167.8	1109.9	1307.4	1200
Weighted performance	901.9	862.6	1038.4	0
Floor	730.3	700	810.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.2	187.6	141.7	165.8
Highest rating	1254.5 2023-04-01	1200 2018-10-01	1317.7 2023-04-01	1200 2018-10-01
Highest raw rating	1230.3 2023-05-01	1200 2019-12-01	1310.2 2024-04-01	1200 2024-03-01
Highest weighted rating	1230.3 2023-06-01	1200 2018-10-01	1304.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1254.5 2023-04-01	1200 2019-12-01	1317.7 2023-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1169.5	1113.5	1310.2	1200
Analysis
Rating	1169.5	1113.5	1310.2	1200
Raw rating	1169.5	1113.5	1310.2	1200
Weighted rating	1167.8	1109.9	1307.4
Weighted performance	901.9	862.6	1038.4
K-factor	36	36	36	36
Floor	730.3	700	810.2	700
Max/Min rating change allowed	173.2	187.6	141.7	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	1169.5	1113.5	1310.2	1200
New weighted rating	1167.6	1109.6	1308.4	1200
New weighted performance	901.6	862.2	1038	0
Temp new rating	1169.5	1113.5	1310.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1169.5	1113.5	1310.2	1200
New K-factor	36	36	36	36
New floor	730.3	700	810.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	27	17	10
	27	13	14
	0	0	0
	0	0	0
History	54	30	24

Games since
	Main 27	Standard 17		Rapid 10		Blitz 0
Gender	Female
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	23.5	43.52	-55.1	1225.7	1170.6
Standard	30	8	26.67	-198.3	1249.1	1050.8
Rapid	24	15.5	64.58	124	1196.4	1320.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1169.5	1113.5	1310.2	1200
2025-09-01	1169.5	1113.5	1310.2	1200
2025-08-01	1169.5	1113.5	1310.2	1200
2025-07-01	1169.5	1113.5	1310.2	1200
2025-06-01	1169.5	1113.5	1310.2	1200
2025-05-01	1169.5	1113.5	1310.2	1200
2025-04-01	1169.5	1113.5	1310.2	1200
2025-03-01	1169.5	1113.5	1310.2	1200
2025-02-01	1166.9	1111.1	1310.2	1200
2025-01-01	1124.6	1063.2	1310.2	1200
2024-12-01	1124.6	1063.2	1310.2	1200
2024-11-01	1124.6	1063.2	1310.2	1200
2024-10-01	1124.6	1063.2	1310.2	1200
2024-09-01	1176.9	1116	1310.2	1200
2024-08-01	1209.2	1144.4	1310.2	1200
2024-07-01	1209.2	1144.4	1310.2	1200
2024-06-01	1209.2	1144.4	1310.2	1200
2024-08-01	1224.7	1142.4	1310.2	1200
2024-04-01	1224.7	1142.4	1310.2	1200
2024-03-01	1186	1142.4	1262.3	1200
2024-02-01	1172	1142.4	1250.4	1200
2024-01-01	1172	1142.4	1250.4	1200
2023-12-01	1172	1142.4	1250.4	1200
2023-11-01	1172	1142.4	1250.4	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	Western Cape Top Schools Championship 2024 (U13 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	0	Yes	Analysis
2	Pedro Booyse Top Schools Championships 2024 (U13 Girls)	2024-07-20	2024-07-20	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
3	Western Cape PS Individuals Championship 2024 (U13 Girls)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
4	West Coast Schools Chess Prestige Championships 2024 (U13 Girls)	2024-03-09	2024-03-09	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
5	Bo-Weskus Skole Prestige 2024 (O13 Dogters)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
6	Western Cape Top Schools 2023 (U13 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	3	Yes	Analysis
7	Pedro Booyse Top Schools 2023 (U13)	2023-07-29	2023-07-29	Standard	West Coast (WCU)	5	5	1	Yes	Analysis
8	West Coast Open 2023 (Open)	2023-05-20	2023-06-03	Standard	West Coast (WCU)	5	3	0	Yes	Analysis
9	West Coast Schools Development Championships 2023 (U11-U15 Girls)	2023-04-22	2023-04-22	Rapid	West Coast (WCU)	5	4	3	Yes	Analysis
10	PRBCC Closed 2023 (B)	2023-04-15	2023-04-15	Rapid	West Coast (WCU)	6	5	3	Yes	Analysis
11	Bo-Weskus Skole Prestige 2023 (O13 Dogters)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Fortuin, T (Tashnic)				Opponent Fortuin, C (Chante)
2	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Koopman, N (Nuria)				Opponent Pieterse, J (Jay-Leigh)
3	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament PRBCC Closed 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-04-15	rnd 3	type Rapid	result 1
		Opponent Frans, T (Tiffany)				Opponent Arries, G (Geroneeze)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Koopman, N (Nuria)				Opponent Pieterse, J (Jay-Leigh)
2	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-05	rnd 6	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Otto, J (Johanne)				Opponent Mehlomakulu, O (Okuhle)
3	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 4	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Mehlomakulu, O (Okuhle)				Opponent Mehlomakulu, O (Okuhle)

#	Games	Start				End
1	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Fortuin, T (Tashnic)				Opponent Fortuin, C (Chante)
2	4	Tournament West Coast Schools Development Championships 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-04-22	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Owies, C (Chamica)				Opponent Scheepers, J (Jemimah)
3	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament PRBCC Closed 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-04-15	rnd 3	type Rapid	result 1
		Opponent Frans, T (Tiffany)				Opponent Arries, G (Geroneeze)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Fortuin, T (Tashnic)				Opponent Fortuin, C (Chante)
2	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Koopman, N (Nuria)				Opponent Pieterse, J (Jay-Leigh)
3	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament PRBCC Closed 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-04-15	rnd 3	type Rapid	result 1
		Opponent Frans, T (Tiffany)				Opponent Arries, G (Geroneeze)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-09-02	rnd 3	type Standard	result 1	date 2023-09-03	rnd 5	type Standard	result 1
		Opponent Koopman, N (Nuria)				Opponent Pieterse, J (Jay-Leigh)
2	2	Tournament Western Cape PS Individuals Championship 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-05-05	rnd 6	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Otto, J (Johanne)				Opponent Mehlomakulu, O (Okuhle)
3	1	Tournament Pedro Booyse Top Schools Championships 2024				Tournament Pedro Booyse Top Schools Championships 2024
		date 2024-07-20	rnd 4	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Mehlomakulu, O (Okuhle)				Opponent Mehlomakulu, O (Okuhle)

#	Games	Start				End
1	4	Tournament Bo-Weskus Skole Prestige 2024				Tournament West Coast Schools Chess Prestige Championships 2024
		date 2024-02-10	rnd 5	type Rapid	result 1	date 2024-03-09	rnd 3	type Rapid	result 1
		Opponent Fortuin, T (Tashnic)				Opponent Fortuin, C (Chante)
2	4	Tournament West Coast Schools Development Championships 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-04-22	rnd 4	type Rapid	result 1	date 2024-02-10	rnd 2	type Rapid	result 1
		Opponent Owies, C (Chamica)				Opponent Scheepers, J (Jemimah)
3	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament PRBCC Closed 2023
		date 2023-03-04	rnd 5	type Rapid	result 1	date 2023-04-15	rnd 3	type Rapid	result 1
		Opponent Frans, T (Tiffany)				Opponent Arries, G (Geroneeze)

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	Van Schalkwyk ,J (Jayme-Lee)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Van Schalkwyk ,J (Jayme-Lee)	3	1198.5	773.5	3	1216.3	773.5	0	0	0	0	0	0
2	Arries ,G (Geroneeze)	3	2	141.7	0	0	0	3	2	141.7	0	0	0
2	Arries ,G (Geroneeze)	3	1181.5	1323.2	0	0	0	3	1210.9	1323.2	0	0	0
3	Philander ,M (Megan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Philander ,M (Megan)	2	1213	788	2	1158.8	788	0	0	0	0	0	0
4	Moses ,J (Jay-Leigh)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Moses ,J (Jay-Leigh)	2	1420.6	995.6	2	1424.8	995.6	0	0	0	0	0	0
5	Mehlemakulu ,O (Okuhle)	2	2	425	2	2	425	0	0	0	0	0	0
5	Mehlemakulu ,O (Okuhle)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
6	Cardinal ,J (Jacelynn)	2	1	0	1	0	-425	1	1	425	0	0	0
6	Cardinal ,J (Jacelynn)	2	1303.9	1303.9	1	1310.5	878.9	1	1281.9	1728.9	0	0	0
7	Owies ,C (Chamica)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
7	Owies ,C (Chamica)	2	1065.8	1278.2	0	0	0	2	1090.6	1278.2	0	0	0
8	Frans ,T (Tiffany)	2	2	425	0	0	0	2	2	425	0	0	0
8	Frans ,T (Tiffany)	2	1182.5	1607.5	0	0	0	2	1170.6	1607.5	0	0	0
9	Vogel ,B (Beatrix)	1	1	425	1	1	425	0	0	0	0	0	0
9	Vogel ,B (Beatrix)	1	1197.5	1622.5	1	1214.4	1622.5	0	0	0	0	0	0
10	Sias ,L (Leigh-Kay)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Sias ,L (Leigh-Kay)	1	1170.3	745.3	1	1160	745.3	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

Opperman, K (Kelly-Ann)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms