Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koen, C (Cara)

Chess SA id

2130308577

FIDE id

Date of birth

2013-08-12 (U14)

Gender

Female

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1191.8	1200	1185.1	1200
Raw rating	1153.4	1200	1120.9	1200
Weighted rating	1191.8	1200	1185.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	177.2	165.8	185.6	165.8
Highest rating	1200 2024-08-01	1200 2024-10-01	1200 2024-08-01	1200 2024-10-01
Highest raw rating	1200 2024-08-01	1200 2024-10-01	1200 2024-08-01	1200 2024-10-01
Highest weighted rating	1200 2024-08-01	1200 2024-10-01	1200 2024-08-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-10-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.4	0	-5.6	0
New rating	1188.5	1200	1179.4	1200
Analysis
Rating	1191.8	1200	1185.1	1200
Raw rating	1153.4	1200	1120.9	1200
Weighted rating	1191.8	1200	1185.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	177.2	165.8	185.6	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	1153.4	1200	1120.9	1200
New weighted rating	1188.5	1200	1179.4	1200
New weighted performance	0	0	0	0
Temp new rating	1188.5	1200	1179.4	1200
Temp new rating +/-	-3.4	0	-5.6	0
Final new rating +/-	-3.4	0	-5.6	0
New rating	1188.5	1200	1179.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	4	4
	10	10
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 0		Rapid 14		Blitz 0
Gender	Female
Age group	U14
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	4	0	0	-425	1192.1	767.1
Standard	0	0	0	0	0	0
Rapid	4	0	0	-425	1192.1	767.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5	35.71	-121.4	1187.1	1065.7
Standard	0	0	0	0	0	0
Rapid	14	5	35.71	-121.4	1187.1	1065.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1153.4	1200	1120.9	1200
2025-09-01	1153.4	1200	1120.9	1200
2025-08-01	1199.1	1200	1197.4	1200
2025-07-01	1199.1	1200	1197.4	1200
2025-06-01	1199.1	1200	1197.4	1200
2025-05-01	1199.1	1200	1197.4	1200
2025-04-01	1199.1	1200	1197.4	1200
2025-03-01	1199.1	1200	1197.4	1200
2025-02-01	1199.1	1200	1197.2	1200
2025-01-01	1197.8	1200	1193.6	1200
2024-12-01	1197.8	1200	1193.6	1200
2024-11-01	1197.8	1200	1193.6	1200
2024-10-01	1197.8	1200	1193.6	1200
2024-09-01	1197.8	1200	1193.6	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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 (Girls)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rookies Tournament Secunda 2025 (Girls)	2025-08-08	2025-08-08	Rapid	Gert Sibande (MGS)	5	4	0	Yes	Analysis
2	Top Schools Gert Sibande 2024 (Girls)	2024-08-16	2024-08-16	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis
3	Govan Mbeki 2024 (Girls)	2024-08-02	2024-08-02	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 3	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Groenewald, Z (Zanic)
2	2	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 3	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Groenewald, Z (Zanic)				Opponent Kleyn, L (Layla)
3	1	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Pillay, A (Alexa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 3	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Groenewald, Z (Zanic)
2	2	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 3	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Groenewald, Z (Zanic)				Opponent Kleyn, L (Layla)
3	1	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Pillay, A (Alexa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 3	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Groenewald, Z (Zanic)
2	2	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 3	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Groenewald, Z (Zanic)				Opponent Kleyn, L (Layla)
3	1	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Pillay, A (Alexa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Top Schools Gert Sibande 2024				Tournament Top Schools Gert Sibande 2024
		date 2024-08-16	rnd 3	type Rapid	result 1	date 2024-08-16	rnd 4	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Groenewald, Z (Zanic)
2	2	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 3	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Groenewald, Z (Zanic)				Opponent Kleyn, L (Layla)
3	1	Tournament Govan Mbeki 2024				Tournament Govan Mbeki 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 1	type Rapid	result 1
		Opponent Pillay, A (Alexa)				Opponent Pillay, A (Alexa)

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	Jona ,S (Samkelisiwe)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Jona ,S (Samkelisiwe)	2	1196.4	771.4	0	0	0	2	1199.6	771.4	0	0	0
2	Pillay ,A (Alexa)	2	2	425	0	0	0	2	2	425	0	0	0
2	Pillay ,A (Alexa)	2	1149.4	1574.4	0	0	0	2	1124.8	1574.4	0	0	0
3	Groenewald ,Z (Zanic)	2	2	425	0	0	0	2	2	425	0	0	0
3	Groenewald ,Z (Zanic)	2	1200	1625	0	0	0	2	1200	1625	0	0	0
4	Cindi ,A (Azande)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Cindi ,A (Azande)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Vilakazi ,O (Okuhle)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Vilakazi ,O (Okuhle)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Kudiwa ,C (Chloe)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Kudiwa ,C (Chloe)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Khanyile ,A (Andiswa)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Khanyile ,A (Andiswa)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Zwane ,N (Nonthando)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Zwane ,N (Nonthando)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Kleyn ,L (Layla)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kleyn ,L (Layla)	1	1159.9	1584.9	0	0	0	1	1143.8	1584.9	0	0	0
10	Ramguthy ,G (Gabriella)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Ramguthy ,G (Gabriella)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Koen, C (Cara)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms