Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, C (Cara)

Chess SA id

2090097026

FIDE id

Date of birth

2009-09-23 (U18)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1455.5	1441.7	1200	1200
Raw rating	1455.5	1441.7	1200	1200
Weighted rating	1455.5	1441.7	1200	1200
Weighted performance	439.9	435.7	0	0
Floor	955.5	941.7	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	115.2	117.5	165.8	165.8
Highest rating	1471.2 2020-03-01	1457.2 2020-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1455.5 2024-03-01	1441.7 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1455.5 2024-03-01	1441.7 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1471.2 2020-03-01	1457.2 2020-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1455.5	1441.7	1200	1200
Analysis
Rating	1455.5	1441.7	1200	1200
Raw rating	1455.5	1441.7	1200	1200
Weighted rating	1455.5	1441.7	1200
Weighted performance	439.9	435.7	0
K-factor	32	32	36	36
Floor	955.5	941.7	700	700
Max/Min rating change allowed	115.2	117.5	165.8	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	1455.5	1441.7	1200	1200
New weighted rating	1455.5	1441.7	1200	1200
New weighted performance	439.4	435.2	0	0
Temp new rating	1455.5	1441.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1455.5	1441.7	1200	1200
New K-factor	32	32	36	36
New floor	955.5	941.7	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	103	103

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	103	55.5	53.88	33	1109	1142
Standard	103	55.5	53.88	33	1109	1142
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1455.5	1441.7	1200	1200
2025-09-01	1455.5	1441.7	1200	1200
2025-08-01	1455.5	1441.7	1200	1200
2025-07-01	1455.5	1441.7	1200	1200
2025-06-01	1455.5	1441.7	1200	1200
2025-05-01	1455.5	1441.7	1200	1200
2025-04-01	1455.5	1441.7	1200	1200
2025-03-01	1455.5	1441.7	1200	1200
2025-02-01	1455.5	1441.7	1200	1200
2025-01-01	1455.5	1441.7	1200	1200
2024-12-01	1455.5	1441.7	1200	1200
2024-11-01	1455.5	1441.7	1200	1200
2024-10-01	1455.5	1441.7	1200	1200
2024-09-01	1455.5	1441.7	1200	1200
2024-08-01	1455.5	1441.7	1200	1200
2024-07-01	1455.5	1441.7	1200	1200
2024-06-01	1455.5	1441.7	1200	1200
2024-08-01	1455.5	1441.7	1200	1200
2024-04-01	1455.5	1441.7	1200	1200
2024-03-01	1455.5	1441.7	1200	1200
2024-02-01	1455.5	1441.7	1200	1200
2024-01-01	1455.5	1441.7	1200	1200
2023-12-01	1455.5	1441.7	1200	1200
2023-11-01	1455.5	1441.7	1200	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	Eden Schools Closed Trials 1 2020 (U11 Girls)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	5	Yes	Analysis
2	George Trial 3 2020 (U12)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	4	Yes	Analysis
3	George Trial 2 2020 (U12)	2020-02-08	2020-02-08	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	George Trial 1 2020 (U12)	2020-01-25	2020-01-25	Standard	Eden (WEG)	5	5	4	Yes	Analysis
5	2019 South African Junior Team Championships (U12 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	2.5	Yes	Analysis
6	George Open Chess Tournament 2019 (C)	2019-11-30	2019-11-30	Standard	Eden (WEG)	5	5	1	Yes	Analysis
7	Western Cape Schools Individuals 2019 (U11 Girls)	2019-05-18	2019-05-19	Standard	Eden (WEG)	6	6	3	Yes	Analysis
8	Eden Trials 2 2019 (U12 Girls)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	5	Yes	Analysis
9	Eden Trials 1 2019 (U12 Girls)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	5	Yes	Analysis
10	George Trials 3 2019 (U12)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	2	Yes	Analysis
11	George Trials 2 2019 (U12)	2019-02-09	2019-02-09	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	George Trials 1 2019 (U12)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	South African Junior Team Championships 2018 (U10C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
14	Western Cape Top Schools 2018 (U7+U9 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
15	EDENSC Closed 3 2018 (U10 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
16	Western Cape Schools Individuals 2018 (U9 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	2.5	Yes	Analysis
17	EDENSC Closed 2 2018 (U10 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	2	Yes	Analysis
18	EDENSC Closed 1 2018 (U10)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis
19	George Trails 3 2018 (U10)	2018-02-24	2018-02-24	Standard	Eden (WEG)	5	4	1	Yes	Analysis
20	George Trails 2 2018 (U10)	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	4	1	Yes	Analysis

#	Games	Start				End
1	12	Tournament Eden Trials 1 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Van Staden, L (Leane)				Opponent Amos, K (Kelly)
2	7	Tournament George Trial 3 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Kruger, S (Simon)				Opponent Gouws, G (Garlan)
3	5	Tournament 2019 South African Junior Team Championships				Tournament George Trial 1 2020
		date 2020-01-07	rnd 6	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Van Biljon, J (Jessica)				Opponent Petersen, S (Shenwin)

#	Games	Start				End
1	12	Tournament Eden Trials 1 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Van Staden, L (Leane)				Opponent Amos, K (Kelly)
2	7	Tournament George Trial 3 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Kruger, S (Simon)				Opponent Gouws, G (Garlan)
3	5	Tournament 2019 South African Junior Team Championships				Tournament George Trial 1 2020
		date 2020-01-07	rnd 6	type Standard	result 1	date 2020-01-25	rnd 3	type Standard	result 1
		Opponent Van Biljon, J (Jessica)				Opponent Petersen, S (Shenwin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	12	Tournament Eden Trials 1 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Van Staden, L (Leane)				Opponent Amos, K (Kelly)
2	7	Tournament George Trial 3 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Kruger, S (Simon)				Opponent Gouws, G (Garlan)
3	4	Tournament George Trial 1 2020				Tournament George Trial 2 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Du Preez, R (Regardt)				Opponent Van Wyk, N (Nian)

#	Games	Start				End
1	12	Tournament Eden Trials 1 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-05-18	rnd 2	type Standard	result 1
		Opponent Van Staden, L (Leane)				Opponent Amos, K (Kelly)
2	7	Tournament George Trial 3 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 1
		Opponent Kruger, S (Simon)				Opponent Gouws, G (Garlan)
3	4	Tournament George Trial 1 2020				Tournament George Trial 2 2020
		date 2020-01-25	rnd 5	type Standard	result 1	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Du Preez, R (Regardt)				Opponent Van Wyk, N (Nian)

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	De Waal ,L (Liam)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	De Waal ,L (Liam)	4	1009.1	584.1	4	1012.2	584.1	0	0	0	0	0	0
2	Van Staden ,L (Leane)	3	3	425	3	3	425	0	0	0	0	0	0
2	Van Staden ,L (Leane)	3	1096.9	1521.9	3	1086.9	1521.9	0	0	0	0	0	0
3	Heroldt ,M (Markus)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Heroldt ,M (Markus)	3	1108.4	1250.1	3	1092.3	1250.1	0	0	0	0	0	0
4	Adrian ,S (Stella)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
4	Adrian ,S (Stella)	3	971	829.3	3	967.5	829.3	0	0	0	0	0	0
5	Williams ,H (Handre)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Williams ,H (Handre)	2	872	447	2	898.8	447	0	0	0	0	0	0
6	Van Wyk ,N (Nian)	2	2	425	2	2	425	0	0	0	0	0	0
6	Van Wyk ,N (Nian)	2	1107.7	1532.7	2	1091.2	1532.7	0	0	0	0	0	0
7	Marx ,M (Marnu)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Marx ,M (Marnu)	2	1216.1	791.1	2	1202.2	791.1	0	0	0	0	0	0
8	Opperman ,D (Dillon)	2	1	0	2	1	0	0	0	0	0	0	0
8	Opperman ,D (Dillon)	2	1174.2	1174.2	2	1167.6	1174.2	0	0	0	0	0	0
9	Meyer ,B (Brooklyne)	2	2	425	2	2	425	0	0	0	0	0	0
9	Meyer ,B (Brooklyne)	2	1171.6	1596.6	2	1166.4	1596.6	0	0	0	0	0	0
10	Petersen ,S (Shenwin)	2	1	0	2	1	0	0	0	0	0	0	0
10	Petersen ,S (Shenwin)	2	1295.8	1295.8	2	1287.6	1295.8	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

Van Der Merwe, 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