Chess South Africa Ratings Database

PLAYER PAGE

Personal

Opperman, C (Crehasia)

Chess SA id

2100132004

FIDE id

Date of birth

2010-06-21 (U16)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1028.9

Item	Main	Standard	Rapid	Blitz
Rating	1062	1053.1	1200	1200
Raw rating	1059.8	1050.1	1200	1200
Weighted rating	1062	1053.1	1200	1200
Weighted performance	904	900.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	202.5	205.3	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.4	0.5	0	0
New rating	1062.4	1053.6	1200	1200
Analysis
Rating	1062	1053.1	1200	1200
Raw rating	1059.8	1050.1	1200	1200
Weighted rating	1062	1053.1	1200
Weighted performance	904	900.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	202.5	205.3	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	1059.8	1050.1	1200	1200
New weighted rating	1062.4	1053.6	1200	1200
New weighted performance	897.9	894.7	0	0
Temp new rating	1062.4	1053.6	1200	1200
Temp new rating +/-	0.4	0.5	0	0
Final new rating +/-	0.4	0.5	0	0
New rating	1062.4	1053.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	12	12
	15	15
	16	16
	0	0
	0	0
History	47	47

Games since
	Main 27	Standard 27		Rapid 0		Blitz 0
Gender	Female
Age group	U16
Region	Eden (WEG)
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	12	3	25	-212.5	1212.6	1000.1
Standard	12	3	25	-212.5	1212.6	1000.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	47	11	23.4	-226.1	1209.3	983.3
Standard	47	11	23.4	-226.1	1209.3	983.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1059.8	1050.1	1200	1200
2025-09-30	1059.8	1050.1	1200	1200
2025-09-01	1059.8	1050.1	1200	1200
2025-08-01	1059.8	1050.1	1200	1200
2025-07-01	1058.8	1048.7	1200	1200
2025-06-01	1057.7	1047.1	1200	1200
2025-05-01	1056.4	1045.3	1200	1200
2025-04-01	1053.9	1042.3	1200	1200
2025-03-01	1087	1087.3	1200	1200
2025-02-01	1069.9	1064	1200	1200
2025-01-01	1069.9	1064	1200	1200
2024-12-01	1069.9	1064	1200	1200
2024-11-01	1069.9	1064	1200	1200
2024-10-01	1069.9	1064	1200	1200
2024-09-01	1069.9	1064	1200	1200
2024-08-01	1069.9	1064	1200	1200
2024-07-01	1069.9	1064	1200	1200
2024-09-01	1069.9	1064	1200	1200
2024-05-01	1069.9	1064	1200	1200
2024-04-01	1040.7	1023.2	1200	1200
2024-03-01	1008.8	979.6	1200	1200
2024-02-01	1008.8	979.6	1200	1200
2024-01-01	1008.8	979.6	1200	1200
2023-12-01	1008.8	979.6	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	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	2	0	Yes	Analysis
4	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Eden Chess Trials 2 2025 (U16)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	0	0	No	Analysis
2	Eden Schools Chess Trials 1 2025 (U15 Girls)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	1	Yes	Analysis
3	Oudussa Trials 2025 (U15)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	2	0	Yes	Analysis
4	Oudussa Trials 2 2025 (U5 Boys+Girls)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Eden Chess Trials 2 2024 (U16)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	4	Yes	Analysis
6	Eden School Chess Trials 1 2024 (U15 Girls)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	2	Yes	Analysis
7	Eden Trials 2+3 2023 (U14)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	8	1	Yes	Analysis
8	Eden Trails 1 2023 (U13 Girls)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	3	1	Yes	Analysis
9	Oudussa Proewe 1 2023 (U13 Girls)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	0	Yes	Analysis
10	Oudtshoorn Proewe 1 2020 (O11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	4	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2024				Tournament Oudussa Trials 2 2025
		date 2024-04-20	rnd 10	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Tities, N (Nickay)				Opponent Jacobs, R (Riquel)
2	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-04-20	rnd 6	type Standard	result 1
		Opponent Goliath, F (Faith-Joy)				Opponent Robertson, M (Melcaylinn)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Oosthuizen, N (Nikita)				Opponent Oosthuizen, N (Nikita)

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2024				Tournament Oudussa Trials 2 2025
		date 2024-04-20	rnd 10	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Tities, N (Nickay)				Opponent Jacobs, R (Riquel)
2	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-04-20	rnd 6	type Standard	result 1
		Opponent Goliath, F (Faith-Joy)				Opponent Robertson, M (Melcaylinn)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Oosthuizen, N (Nikita)				Opponent Oosthuizen, N (Nikita)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2024				Tournament Oudussa Trials 2 2025
		date 2024-04-20	rnd 10	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Tities, N (Nickay)				Opponent Jacobs, R (Riquel)
2	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-04-20	rnd 6	type Standard	result 1
		Opponent Goliath, F (Faith-Joy)				Opponent Robertson, M (Melcaylinn)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Oosthuizen, N (Nikita)				Opponent Oosthuizen, N (Nikita)

#	Games	Start				End
1	2	Tournament Eden Chess Trials 2 2024				Tournament Oudussa Trials 2 2025
		date 2024-04-20	rnd 10	type Standard	result 1	date 2025-02-01	rnd 1	type Standard	result 1
		Opponent Tities, N (Nickay)				Opponent Jacobs, R (Riquel)
2	2	Tournament Eden Chess Trials 2 2024				Tournament Eden Chess Trials 2 2024
		date 2024-04-13	rnd 5	type Standard	result 1	date 2024-04-20	rnd 6	type Standard	result 1
		Opponent Goliath, F (Faith-Joy)				Opponent Robertson, M (Melcaylinn)
3	1	Tournament Eden Schools Chess Trials 1 2025				Tournament Eden Schools Chess Trials 1 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 5	type Standard	result 1
		Opponent Oosthuizen, N (Nikita)				Opponent Oosthuizen, N (Nikita)

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	Tities ,N (Nickay)	2	2	425	2	2	425	0	0	0	0	0	0
1	Tities ,N (Nickay)	2	1126.8	1551.8	2	1109.6	1551.8	0	0	0	0	0	0
2	Arries ,J (Jizelle)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Arries ,J (Jizelle)	2	1237.2	812.2	2	1233.3	812.2	0	0	0	0	0	0
3	Brown ,L (Lamees)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Brown ,L (Lamees)	1	1055.7	630.7	1	1018.4	630.7	0	0	0	0	0	0
4	Maswatti ,W (Waylen)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Maswatti ,W (Waylen)	1	1213.3	788.3	1	1216	788.3	0	0	0	0	0	0
5	Siganga ,P (Princess)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Siganga ,P (Princess)	1	1116.7	691.7	1	1109	691.7	0	0	0	0	0	0
6	Claasen ,R (Rowen)	1	1	425	1	1	425	0	0	0	0	0	0
6	Claasen ,R (Rowen)	1	1243.2	1668.2	1	1249.4	1668.2	0	0	0	0	0	0
7	Daniels ,R (Richall)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Daniels ,R (Richall)	1	1327.8	902.8	1	1327.2	902.8	0	0	0	0	0	0
8	Daniels ,S (Sachin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Daniels ,S (Sachin)	1	1289.1	864.1	1	1301.5	864.1	0	0	0	0	0	0
9	Brandt ,I (Isahah)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Brandt ,I (Isahah)	1	1212.7	787.7	1	1218.6	787.7	0	0	0	0	0	0
10	Reynecke ,A (Annemieka)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Reynecke ,A (Annemieka)	1	1230.1	805.1	1	1229.3	805.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Opperman, C (Crehasia)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms