Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joubert, C (Carla Louise)

Chess SA id

2080143135

FIDE id

Date of birth

2008-09-17 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1435.2

Item	Main	Standard	Rapid	Blitz
Rating	1376.8	1387.1	1247	1200
Raw rating	1376.8	1387.1	1247	1200
Weighted rating	1331.8	1330.7	1246.9	1200
Weighted performance	1302.6	1302.5	0	0
Floor	876.8	887.1	753.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	128.9	127	155.1	165.8
Highest rating	1376.8 2025-05-05	1505.1 2023-02-01	1298.2 2023-07-01	1200 2018-10-01
Highest raw rating	1376.8 2025-05-05	1387.1 2025-05-05	1253.4 2023-08-01	1200 2024-03-01
Highest weighted rating	1311.4 2025-08-01	1304 2025-08-01	1253.4 2025-06-01	1200 2018-10-01
Highest weighted performance	1343.6 2025-05-05	1505.1 2023-02-01	1298.2 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1376.8	1387.1	1247	1200
Analysis
Rating	1376.8	1387.1	1247	1200
Raw rating	1376.8	1387.1	1247	1200
Weighted rating	1331.8	1330.7	1246.9
Weighted performance	1302.6	1302.5	0
K-factor	36	36	36	36
Floor	876.8	887.1	753.4	700
Max/Min rating change allowed	128.9	127	155.1	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	1376.8	1387.1	1247	1200
New weighted rating	1337.5	1338.2	1246.9	1200
New weighted performance	1294.2	1294	0	0
Temp new rating	1376.8	1387.1	1247	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1376.8	1387.1	1247	1200
New K-factor	36	36	36	36
New floor	876.8	887.1	753.4	700

Item	Main	Standard	Rapid
	0	0	0
	18	18	0
	13	13	0
	45	24	21
	6	0	6
	0	0	0
History	82	55	27

Games since
	Main 31	Standard 31		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
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	2240		620		295
Female	392		136		56
U18	374		96		41
U18 Female	49		17		7
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	18	12	66.67	141.7	1310.5	1452.1
Standard	18	12	66.67	141.7	1310.5	1452.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	82	43.5	53.05	25.9	1283.2	1309.1
Standard	55	30	54.55	38.6	1282.3	1320.9
Rapid	27	13.5	50	0	1285	1285
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1376.8	1387.1	1247	1200
2025-09-30	1376.8	1387.1	1247	1200
2025-09-01	1376.8	1387.1	1247	1200
2025-08-01	1376.8	1387.1	1247	1200
2025-07-01	1376.8	1387.1	1247	1200
2025-06-01	1376.8	1387.1	1247	1200
2025-05-01	1376.8	1387.1	1246.9	1200
2025-04-01	1322.3	1322.4	1246.9	1200
2025-03-01	1317.1	1314.5	1246.9	1200
2025-02-01	1282.5	1270.4	1246.9	1200
2025-01-01	1282.5	1270.4	1246.9	1200
2024-12-01	1282.5	1270.4	1246.9	1200
2024-11-01	1282.5	1270.4	1246.9	1200
2024-10-01	1282.5	1270.4	1246.9	1200
2024-09-01	1282.5	1270.4	1246.9	1200
2024-08-01	1282.5	1270.4	1246.9	1200
2024-07-01	1294.5	1285.2	1246.9	1200
2024-09-01	1294.5	1285.2	1246.9	1200
2024-05-01	1294.5	1285.2	1246.9	1200
2024-04-01	1294.5	1285.2	1246.9	1200
2024-03-01	1220.7	1167.8	1246.9	1200
2024-02-01	1220.7	1167.8	1246.9	1200
2024-01-01	1220.7	1167.8	1246.9	1200
2023-12-01	1220.7	1167.8	1246.9	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	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U17 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U18+U20 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools Individual Championship 2025 (U17 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
2	CT Metro Schools Individual Closed 2025 (U17 Girls)	2025-03-01	2025-03-02	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	CT Metro District East Schools Chess Individuals Trials 2025 (U18+U20 Girls)	2025-02-01	2025-02-02	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
4	CT Metro District East Top Schools Chess 2024 (U18 Mixed)	2024-07-27	2024-07-28	Standard	Cape Town (WCT)	7	1	0	Yes	Analysis
5	Western Cape HS Individuals Championship 2024 (U18 Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	6	4	Yes	Analysis
6	Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Girls)	2024-03-02	2024-03-03	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
7	Paarl Boys High Chess Festival 2023 (Elite Division)	2023-10-13	2023-10-14	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
8	Midas Chess Youth 2023 (Open)	2023-09-09	2023-09-09	Rapid	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
9	Cape Town Junior Chess League - Round 1 2023 (U16A)	2023-07-22	2023-07-22	Rapid	Cape Town (WCT)	7	7	3	Yes	Analysis
10	CT Metro District East Top Schools Chess 2023 (U15 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	3	3	2	Yes	Analysis
11	Cape Town Junior League 2nd Qualifier 2023 (U16)	2023-06-03	2023-06-03	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis
12	Western Cape HS Individuals 2023 (U15 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
13	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Girls)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
14	District East Schools Chess Individual Trials 2023 (U15 Girls)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
15	Stellenberg Chess Championship 2022 (Young Masters)	2022-06-25	2022-06-25	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 0.5
		Opponent Ruiters, C (Cayla)				Opponent Van Zyl, M (Mea)
2	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 1
		Opponent Baartman, N (Nicole)				Opponent Andrews, K (Kaylin)
3	3	Tournament Midas Chess Youth 2023				Tournament Midas Chess Youth 2023
		date 2023-09-09	rnd 3	type Rapid	result 0.5	date 2023-09-09	rnd 5	type Rapid	result 1
		Opponent Smit, R (Rikis)				Opponent Goliath, S (Sharmon)

#	Games	Start				End
1	5	Tournament CT Metro Schools Individual Closed 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-02	rnd 5	type Standard	result 1	date 2025-04-26	rnd 3	type Standard	result 0.5
		Opponent Ruiters, C (Cayla)				Opponent Van Zyl, M (Mea)
2	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 1
		Opponent Baartman, N (Nicole)				Opponent Andrews, K (Kaylin)
3	3	Tournament District East Schools Chess Individual Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Wiehahn, S (Scarlett)				Opponent Leenderts, S (Shanique)

#	Games	Start				End
1	3	Tournament Midas Chess Youth 2023				Tournament Midas Chess Youth 2023
		date 2023-09-09	rnd 3	type Rapid	result 0.5	date 2023-09-09	rnd 5	type Rapid	result 1
		Opponent Smit, R (Rikis)				Opponent Goliath, S (Sharmon)
2	3	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-22	rnd 7	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, S (Shiloh)				Opponent Devaney, N (Nigel)
3	2	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament Cape Town Junior Chess League - Round 1 2023
		date 2023-07-22	rnd 3	type Rapid	result 1	date 2023-07-22	rnd 4	type Rapid	result 1
		Opponent Damane, H (Hlumelo)				Opponent Lee, S (Shakoor)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 1
		Opponent Baartman, N (Nicole)				Opponent Andrews, K (Kaylin)
2	3	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-22	rnd 7	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, S (Shiloh)				Opponent Devaney, N (Nigel)
3	3	Tournament District East Schools Chess Individual Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Wiehahn, S (Scarlett)				Opponent Leenderts, S (Shanique)

#	Games	Start				End
1	3	Tournament Western Cape HS Individuals Championship 2024				Tournament Western Cape HS Individuals Championship 2024
		date 2024-03-21	rnd 4	type Standard	result 1	date 2024-03-22	rnd 6	type Standard	result 1
		Opponent Baartman, N (Nicole)				Opponent Andrews, K (Kaylin)
2	3	Tournament District East Schools Chess Individual Trials 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Wiehahn, S (Scarlett)				Opponent Leenderts, S (Shanique)
3	2	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-27	rnd 5	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent October, K (Katelin)				Opponent Jacobs, Z (Zee-Lynne)

#	Games	Start				End
1	3	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-22	rnd 7	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Smith, S (Shiloh)				Opponent Devaney, N (Nigel)
2	2	Tournament Midas Chess Youth 2023				Tournament Midas Chess Youth 2023
		date 2023-09-09	rnd 4	type Rapid	result 1	date 2023-09-09	rnd 5	type Rapid	result 1
		Opponent Solomons, N (Neo)				Opponent Goliath, S (Sharmon)
3	2	Tournament Cape Town Junior Chess League - Round 1 2023				Tournament Cape Town Junior Chess League - Round 1 2023
		date 2023-07-22	rnd 3	type Rapid	result 1	date 2023-07-22	rnd 4	type Rapid	result 1
		Opponent Damane, H (Hlumelo)				Opponent Lee, S (Shakoor)

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	Hagan ,B (Bianca)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Hagan ,B (Bianca)	3	1266.5	1124.8	3	1266.9	1124.8	0	0	0	0	0	0
2	Sihamba ,S (Somila)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Sihamba ,S (Somila)	3	1280.4	855.4	3	1291.7	855.4	0	0	0	0	0	0
3	Caeser ,W (Waynika)	2	1	0	2	1	0	0	0	0	0	0	0
3	Caeser ,W (Waynika)	2	1301.6	1301.6	2	1312.7	1301.6	0	0	0	0	0	0
4	Mbekeni ,N (Ntando)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Mbekeni ,N (Ntando)	2	1258.4	1470.9	2	1259.2	1470.9	0	0	0	0	0	0
5	Moolman ,Z (Zineqa)	2	1	0	2	1	0	0	0	0	0	0	0
5	Moolman ,Z (Zineqa)	2	1291.9	1291.9	2	1290.3	1291.9	0	0	0	0	0	0
6	Vermeulen ,I (Inge)	2	1	0	2	1	0	0	0	0	0	0	0
6	Vermeulen ,I (Inge)	2	1244.4	1244.4	2	1271.9	1244.4	0	0	0	0	0	0
7	Mutanda ,R (Rutando)	2	1	0	2	1	0	0	0	0	0	0	0
7	Mutanda ,R (Rutando)	2	1286.8	1286.8	2	1278.2	1286.8	0	0	0	0	0	0
8	Ruiters ,C (Cayla)	2	2	425	2	2	425	0	0	0	0	0	0
8	Ruiters ,C (Cayla)	2	1131.6	1556.6	2	1119.8	1556.6	0	0	0	0	0	0
9	Leenderts ,S (Shanique)	2	2	425	2	2	425	0	0	0	0	0	0
9	Leenderts ,S (Shanique)	2	1329.2	1754.2	2	1324.4	1754.2	0	0	0	0	0	0
10	Gabavu ,K (Kabello)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Gabavu ,K (Kabello)	2	1249.7	824.7	0	0	0	2	1278.8	824.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Joubert, C (Carla Louise)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms