Chess South Africa Ratings Database

PLAYER PAGE

Personal

Carstens, O (Oda)

Chess SA id

2150151157

FIDE id

Date of birth

2015-07-11 (U12)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1255.8

Item	Main	Standard	Rapid	Blitz
Rating	1224.6	1227.9	1216.8	1200
Raw rating	1224.6	1227.9	1216.8	1200
Weighted rating	1204.2	1198.8	1215.7	1200
Weighted performance	0	0	0	0
Floor	724.6	727.9	716.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.1	159.4	161.9	165.8
Highest rating	1224.6 2025-11-01	1227.9 2025-11-01	1245.2 2024-02-01	1200 2018-10-01
Highest raw rating	1224.6 2025-11-01	1227.9 2025-11-01	1216.8 2024-03-01	1200 2024-02-01
Highest weighted rating	1207.2 2018-10-01	1200 2018-10-01	1213 2025-08-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2024-02-01	1245.2 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1224.6	1227.9	1216.8	1200
Analysis
Rating	1224.6	1227.9	1216.8	1200
Raw rating	1224.6	1227.9	1216.8	1200
Weighted rating	1204.2	1198.8	1215.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	724.6	727.9	716.8	700
Max/Min rating change allowed	160.1	159.4	161.9	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	1224.6	1227.9	1216.8	1200
New weighted rating	1206.1	1201.1	1216.3	1200
New weighted performance	0	0	0	0
Temp new rating	1224.6	1227.9	1216.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1224.6	1227.9	1216.8	1200
New K-factor	36	36	36	36
New floor	724.6	727.9	716.8	700

Item	Main	Standard	Rapid
	0	0	0
	11	11	0
	5	0	5
	5	0	5
	0	0	0
	0	0	0
History	21	11	10

Games since
	Main 16	Standard 11		Rapid 5		Blitz 0
Gender	Female
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	11	5	45.45	-38.6	1285.8	1247.2
Standard	11	5	45.45	-38.6	1285.8	1247.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	21	10	47.62	-20.2	1251.3	1231.1
Standard	11	5	45.45	-38.6	1285.8	1247.2
Rapid	10	5	50	0	1213.3	1213.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1224.6	1227.9	1216.8	1200
2025-09-30	1182.2	1177.1	1216.8	1200
2025-09-01	1182.2	1177.1	1216.8	1200
2025-08-01	1207.2	1200	1216.8	1200
2025-07-01	1207.2	1200	1216.8	1200
2025-06-01	1207.2	1200	1216.8	1200
2025-05-01	1207.2	1200	1216.8	1200
2025-04-01	1207.2	1200	1216.8	1200
2025-03-01	1207.2	1200	1216.8	1200
2025-02-01	1207.2	1200	1216.8	1200
2025-01-01	1207.2	1200	1216.8	1200
2024-12-01	1207.2	1200	1216.8	1200
2024-11-01	1207.2	1200	1216.8	1200
2024-10-01	1207.2	1200	1216.8	1200
2024-09-01	1207.2	1200	1216.8	1200
2024-08-01	1207.2	1200	1216.8	1200
2024-07-01	1207.2	1200	1216.8	1200
2024-09-01	1207.2	1200	1216.8	1200
2024-05-01	1207.2	1200	1216.8	1200
2024-04-01	1207.2	1200	1216.8	1200
2024-03-01	1207.2	1200	1216.8	1200
2024-02-01	1177	1200	1162	1200
2024-01-01	1177	1200	1162	1200
2023-12-01	1177	1200	1162	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	Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Girls)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	CT Metro District East Top Schools Chess 2025 (U9+U11 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grant East Annual Primary School Invitational Chess Tournament 2025 (U11 Girls)	2025-10-18	2025-10-18	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
2	CT Metro District East Top Schools Chess 2025 (U9+U11 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
3	Mary-Anne Bartels Closed Chess Tournament 2024 (U7+U9 Mixed)	2024-02-24	2024-02-24	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
4	Mary-Anne Bartels Chess Tournament 2023 (U7+U9)	2023-02-21	2023-02-21	Rapid	Cape Town (WCT)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Grant East Annual Primary School Invitational Chess Tournament 2025				Tournament Grant East Annual Primary School Invitational Chess Tournament 2025
		date 2025-10-18	rnd 2	type Standard	result 1	date 2025-10-18	rnd 4	type Standard	result 1
		Opponent Marthinus, Z (Zarah)				Opponent Martin, E (Emma)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 4	type Rapid	result 1	date 2024-02-24	rnd 5	type Rapid	result 0.5
		Opponent Immelman, W (Wiahn)				Opponent Batt, C (Chanelle)
3	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mynhardt, J (Jan)				Opponent Viljoen, L (Lihan)

#	Games	Start				End
1	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 6	type Standard	result 1	date 2025-08-03	rnd 6	type Standard	result 1
		Opponent Sierra, M (Madison Morgan)				Opponent Sierra, M (Madison Morgan)
2	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Smith, S (Sophia)				Opponent Smith, S (Sophia)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 4	type Rapid	result 1	date 2024-02-24	rnd 5	type Rapid	result 0.5
		Opponent Immelman, W (Wiahn)				Opponent Batt, C (Chanelle)
2	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mynhardt, J (Jan)				Opponent Viljoen, L (Lihan)
3	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 2	type Rapid	result 0.5	date 2023-02-21	rnd 3	type Rapid	result 1
		Opponent Jansen Van Rysse, G (Gustav)				Opponent Smook, X (Xandre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mynhardt, J (Jan)				Opponent Viljoen, L (Lihan)
2	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 6	type Standard	result 1	date 2025-08-03	rnd 6	type Standard	result 1
		Opponent Sierra, M (Madison Morgan)				Opponent Sierra, M (Madison Morgan)
3	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Smith, S (Sophia)				Opponent Smith, S (Sophia)

#	Games	Start				End
1	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 6	type Standard	result 1	date 2025-08-03	rnd 6	type Standard	result 1
		Opponent Sierra, M (Madison Morgan)				Opponent Sierra, M (Madison Morgan)
2	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 3	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Smith, S (Sophia)				Opponent Smith, S (Sophia)

#	Games	Start				End
1	2	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 1	type Rapid	result 1	date 2024-02-24	rnd 2	type Rapid	result 1
		Opponent Mynhardt, J (Jan)				Opponent Viljoen, L (Lihan)
2	1	Tournament Mary-Anne Bartels Closed Chess Tournament 2024				Tournament Mary-Anne Bartels Closed Chess Tournament 2024
		date 2024-02-24	rnd 4	type Rapid	result 1	date 2024-02-24	rnd 4	type Rapid	result 1
		Opponent Immelman, W (Wiahn)				Opponent Immelman, W (Wiahn)
3	1	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 3	type Rapid	result 1	date 2023-02-21	rnd 3	type Rapid	result 1
		Opponent Smook, X (Xandre)				Opponent Smook, X (Xandre)

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 Wet ,Z (Zoey)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	de Wet ,Z (Zoey)	2	1239.3	814.3	2	1317.4	814.3	0	0	0	0	0	0
2	Bhukula ,S (Sinofefe)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Bhukula ,S (Sinofefe)	2	1235.5	810.5	2	1239.2	810.5	0	0	0	0	0	0
3	Marthinus ,Z (Zarah)	1	1	425	1	1	425	0	0	0	0	0	0
3	Marthinus ,Z (Zarah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Pfukwa ,R (Rujeko)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Pfukwa ,R (Rujeko)	1	1531.4	1106.4	1	1518.9	1106.4	0	0	0	0	0	0
5	Chauke ,R (Rhulani)	1	1	425	1	1	425	0	0	0	0	0	0
5	Chauke ,R (Rhulani)	1	1191.1	1616.1	1	1187.9	1616.1	0	0	0	0	0	0
6	Martin ,E (Emma)	1	1	425	1	1	425	0	0	0	0	0	0
6	Martin ,E (Emma)	1	1330.9	1755.9	1	1315.8	1755.9	0	0	0	0	0	0
7	Walters ,N (Nicola)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Walters ,N (Nicola)	1	1506.1	1081.1	1	1504.3	1081.1	0	0	0	0	0	0
8	Smith ,S (Sophia)	1	1	425	1	1	425	0	0	0	0	0	0
8	Smith ,S (Sophia)	1	1223.5	1648.5	1	1200	1648.5	0	0	0	0	0	0
9	Sierra ,M (Madison Morgan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Sierra ,M (Madison Morgan)	1	1210.9	1635.9	1	1200	1635.9	0	0	0	0	0	0
10	Smook ,X (Xandre)	1	1	425	0	0	0	1	1	425	0	0	0
10	Smook ,X (Xandre)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Carstens, O (Oda)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms