Chess South Africa Ratings Database

PLAYER PAGE

Personal

Theron, C (Carla)

Chess SA id

2120109366

FIDE id

Date of birth

2012-08-21 (U14)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1347.7

Item	Main	Standard	Rapid	Blitz
Rating	1483.2	1473.9	1298.4	1200
Raw rating	1456.3	1446.7	1298.4	1200
Weighted rating	1483.2	1473.9	1298.4	1200
Weighted performance	1226.9	1223	0	0
Floor	1045	1042.2	798.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	115.1	116.7	144.1	165.8
Highest rating	1545 2024-11-01	1542.2 2024-11-01	1514.9 2022-04-01	1200 2018-10-01
Highest raw rating	1545 2024-11-01	1542.2 2024-11-01	1298.4 2024-03-01	1200 2024-03-01
Highest weighted rating	1545 2025-04-01	1542.2 2025-04-01	1298.4 2024-04-01	1200 2018-10-01
Highest weighted performance	1527.2 2024-10-01	1522.3 2024-10-01	1514.9 2022-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2	-2.1	0	0
New rating	1481.2	1471.9	1298.4	1200
Analysis
Rating	1483.2	1473.9	1298.4	1200
Raw rating	1456.3	1446.7	1298.4	1200
Weighted rating	1483.2	1473.9	1298.4
Weighted performance	1226.9	1223	0
K-factor	32	32	36	36
Floor	1045	1042.2	798.4	700
Max/Min rating change allowed	115.1	116.7	144.1	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	1456.3	1446.7	1298.4	1200
New weighted rating	1481.2	1471.9	1298.4	1200
New weighted performance	1226.5	1222.5	0	0
Temp new rating	1481.2	1471.9	1298.4	1200
Temp new rating +/-	-2	-2.1	0	0
Final new rating +/-	-2	-2.1	0	0
New rating	1481.2	1471.9	1298.4	1200
New K-factor	32	32	36	36
New floor	1045	1042.2	798.4	700

Item	Main	Standard	Rapid
	0	0	0
	34	34	0
	67	67	0
	59	59	0
	60	53	7
	27	27	0
History	290	283	7

Games since
	Main 106	Standard 106		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1391		479		178
Female	194		73		33
U14	201		65		22
U14 Female	36		11		5
Standard
	RSA		Province		Region
Overall	1370		502		189
Female	208		81		34
U14	202		64		22
U14 Female	44		13		5
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	34	12.5	36.76	-112.5	1443.6	1331.1
Standard	34	12.5	36.76	-112.5	1443.6	1331.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	290	178	61.38	96.7	1277.7	1374.4
Standard	283	172	60.78	91.6	1279.4	1371
Rapid	7	6	85.71	303.6	1209	1512.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1456.3	1446.7	1298.4	1200
2025-09-01	1456.3	1446.7	1298.4	1200
2025-08-01	1481.6	1471.4	1298.4	1200
2025-07-01	1485.8	1476.9	1298.4	1200
2025-06-01	1487.4	1478.6	1298.4	1200
2025-05-01	1485.8	1476.6	1298.4	1200
2025-04-01	1494.7	1484.4	1298.4	1200
2025-03-01	1494.7	1484.4	1298.4	1200
2025-02-01	1501.5	1491.1	1298.4	1200
2025-01-01	1514.7	1505.1	1298.4	1200
2024-12-01	1514.7	1505.1	1298.4	1200
2024-11-01	1545	1542.2	1298.4	1200
2024-10-01	1491.6	1485.6	1298.4	1200
2024-09-01	1450.4	1440.2	1298.4	1200
2024-08-01	1462.1	1454.3	1298.4	1200
2024-07-01	1462.1	1454.3	1298.4	1200
2024-06-01	1481.6	1470.3	1298.4	1200
2024-08-01	1432.3	1415.9	1298.4	1200
2024-04-01	1432.3	1415.9	1298.4	1200
2024-03-01	1480.4	1473.2	1298.4	1200
2024-02-01	1493.9	1489.2	1298.4	1200
2024-01-01	1484.1	1479.3	1298.4	1200
2023-12-01	1484.1	1479.3	1298.4	1200
2023-11-01	1484.1	1479.3	1298.4	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	2025 Etienne Lewis Closed Chess Tournament (U14)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
2	2025 Wynie Robbertse Chess Tournament (C)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
3	2025 Elise Steenkamp Open Chess Tournament (Queen)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
4	2025 Mid Gauteng Open Chess Tournament (C)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	Constantiapark Open 2025 (B)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2025 Tshwane Chess OPEN Registration Tournament (A2)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Etienne Lewis Closed Chess Tournament (U14)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
2	2025 Wynie Robbertse Chess Tournament (C)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
3	2025 Elise Steenkamp Open Chess Tournament (Queen)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
4	2025 Mid Gauteng Open Chess Tournament (C)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	Constantiapark Open 2025 (B)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
6	2025 Tshwane Chess OPEN Registration Tournament (A2)	2025-01-25	2025-01-25	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
7	Lardies Ope 2024 (B)	2024-10-26	2024-10-26	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
8	2024 Tshwane Chess Club Clash (Ladies)	2024-10-12	2024-10-12	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
9	Gauteng Top Schools 2024 (U13 Girls)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	4.5	Yes	Analysis
10	2024 Etienne Lewis (U14)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
11	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13 Girls)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	3	3	2	Yes	Analysis
13	2024 African Youth Chess Championship	2024-06-16	2024-06-22	Standard	Tshwane (GTP)	9	9	5	Yes	Analysis
14	South African Junior Closed Chess Championship 2024 (U12 Girls)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	6	Yes	Analysis
15	2024 Wynie Robbertse Chess Tournament (C1)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2024 Constantiapark Open (C)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
17	2024 Tshwane Chess OPEN Registration Tournament (C2)	2024-01-27	2024-01-27	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	2024 Gauteng Inter-Region Chess Championship (U12A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
19	Lardies Open Tournament 2023 (C)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
20	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
21	2023 Etienne Lewis Closed Tournament (U12)	2023-08-25	2023-08-27	Standard	Tshwane (GTP)	7	6	4.5	Yes	Analysis
22	2023 Menlo Open Tournament (C)	2023-07-22	2023-07-22	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
23	Gauteng Schools Individual Finals 2023 (U11 Girls)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	4	3	Yes	Analysis
24	2023 Tshwane South School District CLOSED Individual Championships (U11 Girls)	2023-04-22	2023-04-22	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
25	2023 South African Junior Closed Chess Championships (U12 Girls)	2023-03-31	2023-04-04	Standard	Chess South Africa (CSA)	9	9	6	Yes	Analysis
26	Chris Greyling Open Tournament 2023 (BC)	2023-03-21	2023-03-21	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
27	Laerskool Constantiapark Open Chess Tournament 2023 (U12)	2023-02-18	2023-02-18	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
28	2023 Piet Robbertse Fide Rated Open Chess Tournament (B)	2023-02-04	2023-02-05	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
29	2023 Tshwane Chess Open Registration Tournament (B2)	2023-01-28	2023-01-28	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
30	2022 South African Junior Team Chess Championships (U10+U12 Girls)	2022-12-04	2022-12-07	Standard	4 Knights (4K)	5	5	4	Yes	Analysis
31	Lardies Tournament 2022 (U12)	2022-10-29	2022-10-29	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
32	2022 Etienne Lewis (U12 Girls)	2022-09-02	2022-09-04	Standard	Tshwane (GTP)	7	7	6.5	Yes	Analysis
33	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
34	D4 Play Offs 2022 (U11)	2022-07-30	2022-07-30	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
35	2022 Blou Bul Open (C)	2022-06-25	2022-06-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
36	D4 Individuals 2022 (U11 Girls)	2022-04-23	2022-04-23	Rapid	Tshwane (GTP)	7	7	6	Yes	Analysis
37	South African Junior Closed Chess Championships 2022 (U10 Girls)	2022-03-28	2022-04-02	Standard	Chess South Africa (CSA)	11	11	7	Yes	Analysis
38	2022 Gauteng Interregion (U10 Girls)	2022-02-26	2022-02-26	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
39	2022 Tshwane Chess Open Registration Tournament (C2)	2022-01-29	2022-01-29	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
40	2021 Lardies Ope (C)	2021-10-30	2021-10-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
41	2021 Etienne Lewis Closed Trials (U10 Girls)	2021-09-24	2021-09-26	Standard	Nelson Mandela Bay (ENM)	7	7	6	Yes	Analysis
42	2021 Alekhine Open (D)	2021-08-14	2021-08-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
43	2021 Chris Greyling Open Tournament (D)	2021-05-08	2021-05-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
44	2021 Blou Bul Tournament (D)	2021-04-10	2021-04-10	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
45	2020 Constantiapark Open Chess Tournament (E)	2020-02-08	2020-02-08	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
46	2020 Registration Tournament (D)	2020-01-25	2020-01-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
47	2019 South African Junior Team Championships (U8B+U8Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
48	2019 TC SAJCC Prep Tournament (C)	2019-11-30	2019-11-30	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
49	2019 Lardies Open (D)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
50	2019 Etienne Lewis Trials (U8 Girls)	2019-08-30	2019-09-01	Standard	Tshwane (GTP)	7	7	6	Yes	Analysis
51	2019 D4 Individual Finals (U9 Girls)	2019-03-09	2019-03-09	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
52	2019 Constantia Park Open (F)	2019-02-09	2019-02-09	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	14	Tournament 2022 Gauteng Schools Team Championships				Tournament Lardies Tournament 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-10-29	rnd 2	type Standard	result 1
		Opponent Mofoekeng, T (Thando)				Opponent Boshoff, R (Reinhardt)
2	8	Tournament 2024 Etienne Lewis				Tournament 2024 Tshwane Chess Club Clash
		date 2024-09-01	rnd 7	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 1
		Opponent Selmi, T (Tayssir)				Opponent Gurie, Y (Yuthika)
3	8	Tournament 2021 Alekhine Open				Tournament 2021 Etienne Lewis Closed Trials
		date 2021-08-15	rnd 4	type Standard	result 1	date 2021-09-26	rnd 6	type Standard	result 1
		Opponent Khanye, S (Sabelo Shaun)				Opponent De Swardt, M (Mieke)

#	Games	Start				End
1	14	Tournament 2022 Gauteng Schools Team Championships				Tournament Lardies Tournament 2022
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-10-29	rnd 2	type Standard	result 1
		Opponent Mofoekeng, T (Thando)				Opponent Boshoff, R (Reinhardt)
2	8	Tournament 2024 Etienne Lewis				Tournament 2024 Tshwane Chess Club Clash
		date 2024-09-01	rnd 7	type Standard	result 1	date 2024-10-12	rnd 2	type Standard	result 1
		Opponent Selmi, T (Tayssir)				Opponent Gurie, Y (Yuthika)
3	8	Tournament 2021 Alekhine Open				Tournament 2021 Etienne Lewis Closed Trials
		date 2021-08-15	rnd 4	type Standard	result 1	date 2021-09-26	rnd 6	type Standard	result 1
		Opponent Khanye, S (Sabelo Shaun)				Opponent De Swardt, M (Mieke)

#	Games	Start				End
1	4	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Grundling, K (Kailey)				Opponent Jacobs, I (Inge)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Bester, E (Emelia)				Opponent Beetge, A (Anabelle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Etienne Lewis
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent Mofoekeng, T (Thando)				Opponent De Swardt, M (Mieke)
2	8	Tournament 2021 Alekhine Open				Tournament 2021 Etienne Lewis Closed Trials
		date 2021-08-15	rnd 4	type Standard	result 1	date 2021-09-26	rnd 6	type Standard	result 1
		Opponent Khanye, S (Sabelo Shaun)				Opponent De Swardt, M (Mieke)
3	7	Tournament 2023 Menlo Open Tournament				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 3	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Nkabinde, L (Lwazi)				Opponent Boshoff, M (Milah)

#	Games	Start				End
1	8	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Etienne Lewis
		date 2022-08-27	rnd 1	type Standard	result 1	date 2022-09-03	rnd 3	type Standard	result 1
		Opponent Mofoekeng, T (Thando)				Opponent De Swardt, M (Mieke)
2	8	Tournament 2021 Alekhine Open				Tournament 2021 Etienne Lewis Closed Trials
		date 2021-08-15	rnd 4	type Standard	result 1	date 2021-09-26	rnd 6	type Standard	result 1
		Opponent Khanye, S (Sabelo Shaun)				Opponent De Swardt, M (Mieke)
3	7	Tournament 2023 Menlo Open Tournament				Tournament 2023 Gauteng Top Schools
		date 2023-07-22	rnd 3	type Standard	result 1	date 2023-08-18	rnd 4	type Standard	result 1
		Opponent Nkabinde, L (Lwazi)				Opponent Boshoff, M (Milah)

#	Games	Start				End
1	4	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 4	type Rapid	result 1	date 2022-04-23	rnd 7	type Rapid	result 1
		Opponent Grundling, K (Kailey)				Opponent Jacobs, I (Inge)
2	2	Tournament D4 Individuals 2022				Tournament D4 Individuals 2022
		date 2022-04-23	rnd 1	type Rapid	result 1	date 2022-04-23	rnd 2	type Rapid	result 1
		Opponent Bester, E (Emelia)				Opponent Beetge, A (Anabelle)

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 Swardt ,M (Mieke)	6	5	283.3	6	5	283.3	0	0	0	0	0	0
1	De Swardt ,M (Mieke)	6	1232.6	1515.9	6	1221.6	1515.9	0	0	0	0	0	0
2	De Waal ,N (Nadine)	6	1.5	-212.5	6	1.5	-212.5	0	0	0	0	0	0
2	De Waal ,N (Nadine)	6	1470.2	1257.7	6	1462.8	1257.7	0	0	0	0	0	0
3	Pillay ,V (Verana)	6	4	141.7	5	4	255	1	0	-425	0	0	0
3	Pillay ,V (Verana)	6	1231.5	1373.2	5	1226.3	1486.5	1	1200	806.5	0	0	0
4	Yang ,S (Selina)	5	4.5	340	4	3.5	318.8	1	1	425	0	0	0
4	Yang ,S (Selina)	5	1334.4	1674.4	4	1311	1653.2	1	1200	1759.4	0	0	0
5	Jacobs ,AE (Alyssa Elizabeth)	3	3	425	3	3	425	0	0	0	0	0	0
5	Jacobs ,AE (Alyssa Elizabeth)	3	1150.4	1575.4	3	1134	1575.4	0	0	0	0	0	0
6	Loubser ,L (Lara)	3	3	425	3	3	425	0	0	0	0	0	0
6	Loubser ,L (Lara)	3	1146.9	1571.9	3	1140.1	1571.9	0	0	0	0	0	0
7	Bogaard ,A (Anneke)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
7	Bogaard ,A (Anneke)	3	1112	1253.7	3	1093.2	1253.7	0	0	0	0	0	0
8	Padayachy ,V (Vidya)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
8	Padayachy ,V (Vidya)	3	1152.5	1435.9	3	1132.2	1435.9	0	0	0	0	0	0
9	Erwee ,E (Elizabeth)	3	3	425	3	3	425	0	0	0	0	0	0
9	Erwee ,E (Elizabeth)	3	1000.9	1425.9	3	978.4	1425.9	0	0	0	0	0	0
10	Gruenenfelder ,L (Laker)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Gruenenfelder ,L (Laker)	3	1238.4	1380	3	1239.3	1380	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Theron, C (Carla)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms