Chess South Africa Ratings Database

PLAYER PAGE

Personal

Theron, J (Janna)

Chess SA id

2100117373

FIDE id

Date of birth

2010-01-07 (U16)

Gender

Female

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1158.4	1200	1181.9	1200
Raw rating	1158.4	1200	1181.9	1200
Weighted rating	1156.6	1200	1178.8	1200
Weighted performance	856.4	0	900.1	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.9	165.8	170.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2024-03-01	1200 2018-02-01	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 2018-02-01	1200 2024-03-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1158.4	1200	1181.9	1200
Analysis
Rating	1158.4	1200	1181.9	1200
Raw rating	1158.4	1200	1181.9	1200
Weighted rating	1156.6	1200	1178.8
Weighted performance	856.4	0	900.1
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.9	165.8	170.1	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	1158.4	1200	1181.9	1200
New weighted rating	1157.2	1200	1179.8	1200
New weighted performance	849.9	0	893.1	0
Temp new rating	1158.4	1200	1181.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.4	1200	1181.9	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	6	6
	21	21
	13	13
	0	0
History	45	45

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	Female
Age group	U16
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
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	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	45	18	40	-85	1208.9	1123.9
Standard	0	0	0	0	0	0
Rapid	45	18	40	-85	1208.9	1123.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1158.4	1200	1181.9	1200
2025-09-30	1158.4	1200	1181.9	1200
2025-09-01	1158.4	1200	1181.9	1200
2025-08-01	1158.4	1200	1181.9	1200
2025-07-01	1158.4	1200	1181.9	1200
2025-06-01	1158.4	1200	1181.9	1200
2025-05-01	1158.4	1200	1181.9	1200
2025-04-01	1158.4	1200	1181.9	1200
2025-03-01	1158.4	1200	1181.9	1200
2025-02-01	1158.4	1200	1181.9	1200
2025-01-01	1158.4	1200	1181.9	1200
2024-12-01	1158.4	1200	1181.9	1200
2024-11-01	1158.4	1200	1181.9	1200
2024-10-01	1158.4	1200	1181.9	1200
2024-09-01	1158.4	1200	1181.9	1200
2024-08-01	1158.4	1200	1181.9	1200
2024-07-01	1158.4	1200	1181.9	1200
2024-09-01	1158.4	1200	1181.9	1200
2024-05-01	1158.4	1200	1181.9	1200
2024-04-01	1121.4	1200	1120.3	1200
2024-03-01	1121.4	1200	1120.3	1200
2024-02-01	1121.4	1200	1120.3	1200
2024-01-01	1121.4	1200	1120.3	1200
2023-12-01	1121.4	1200	1120.3	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	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	4	Yes	Analysis
2	Mpumalanga Final 2023 (Girls)	2023-09-02	2023-09-02	Rapid	Gert Sibande (MGS)	5	5	1	Yes	Analysis
3	Highveld Ridge West 2023 (Girls)	2023-08-09	2023-08-09	Rapid	Gert Sibande (MGS)	3	2	0	Yes	Analysis
4	Govin Mbeki Teams Chess Tournament 2023 (U13 Girls)	2023-08-18	2023-08-18	Rapid	Gert Sibande (MGS)	5	4	2.5	Yes	Analysis
5	2023 Gert Sibande League (Girls)	2023-08-25	2023-08-25	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis
6	Ho�veldgroep 2023 (Dogters)	2023-07-28	2023-07-28	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis
7	Govan Mbeki Uitspele 2022 (Dogters)	2022-08-12	2022-08-12	Rapid	Gert Sibande (MGS)	6	4	2	Yes	Analysis
8	Gert Sibande Finaal 2022 (Dogters)	2022-08-19	2022-08-19	Rapid	Gert Sibande (MGS)	5	5	2.5	Yes	Analysis
9	Hoeveldgroep 2022 (Dogters)	2022-07-29	2022-07-29	Rapid	Gert Sibande (MGS)	6	4	0	Yes	Analysis
10	Gert Sibande Laerskole Finaal 2019 (Dogters)	2019-08-02	2019-08-02	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, N (Nico)				Opponent Dew, K (Kamogelo)
2	3	Tournament Govin Mbeki Teams Chess Tournament 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-18	rnd 2	type Rapid	result 1	date 2023-08-18	rnd 4	type Rapid	result 1
		Opponent Mulenga, B (Buitumelo)				Opponent Singh, S (Shanain)
3	2	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Mahomed, Y (Yaseeraa)				Opponent Behr, K (Katelyn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, N (Nico)				Opponent Dew, K (Kamogelo)
2	3	Tournament Govin Mbeki Teams Chess Tournament 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-08-18	rnd 2	type Rapid	result 1	date 2023-08-18	rnd 4	type Rapid	result 1
		Opponent Mulenga, B (Buitumelo)				Opponent Singh, S (Shanain)
3	2	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Mahomed, Y (Yaseeraa)				Opponent Behr, K (Katelyn)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, N (Nico)				Opponent Dew, K (Kamogelo)
2	2	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Mahomed, Y (Yaseeraa)				Opponent Behr, K (Katelyn)
3	2	Tournament Gert Sibande Finaal 2022				Tournament Ho�veldgroep 2023
		date 2022-08-19	rnd 5	type Rapid	result 1	date 2023-07-28	rnd 1	type Rapid	result 1
		Opponent Swanepoel, M (Miane)				Opponent Cornelissen, C (Calita)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament NWU Super 16 2024				Tournament NWU Super 16 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-04-19	rnd 6	type Rapid	result 1
		Opponent Van Der Merwe, N (Nico)				Opponent Dew, K (Kamogelo)
2	2	Tournament 2023 Gert Sibande League				Tournament 2023 Gert Sibande League
		date 2023-08-25	rnd 4	type Rapid	result 1	date 2023-08-25	rnd 5	type Rapid	result 1
		Opponent Mahomed, Y (Yaseeraa)				Opponent Behr, K (Katelyn)
3	2	Tournament Gert Sibande Finaal 2022				Tournament Ho�veldgroep 2023
		date 2022-08-19	rnd 5	type Rapid	result 1	date 2023-07-28	rnd 1	type Rapid	result 1
		Opponent Swanepoel, M (Miane)				Opponent Cornelissen, C (Calita)

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	Dhladhla ,U (Unathi)	5	0	-425	0	0	0	5	0	-425	0	0	0
1	Dhladhla ,U (Unathi)	5	1187.7	762.7	0	0	0	5	1201.7	762.7	0	0	0
2	James ,R (Riana)	4	2	0	0	0	0	4	2	0	0	0	0
2	James ,R (Riana)	4	1198.3	1198.3	0	0	0	4	1196.4	1198.3	0	0	0
3	Singh ,S (Shanain)	4	1	-212.5	0	0	0	4	1	-212.5	0	0	0
3	Singh ,S (Shanain)	4	1208.1	995.6	0	0	0	4	1221.1	995.6	0	0	0
4	Masango ,U (Unathi)	4	0.5	-318.8	0	0	0	4	0.5	-318.8	0	0	0
4	Masango ,U (Unathi)	4	1296.2	977.4	0	0	0	4	1329.1	977.4	0	0	0
5	Masena ,M (Minenhle)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Masena ,M (Minenhle)	2	1217.2	792.2	0	0	0	2	1229	792.2	0	0	0
6	Van Niekerk ,K (Kaylin)	1	1	425	0	0	0	1	1	425	0	0	0
6	Van Niekerk ,K (Kaylin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Swart ,Q (Quinet)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Swart ,Q (Quinet)	1	1206.3	781.3	0	0	0	1	1214.3	781.3	0	0	0
8	Sonto ,A (Amahle)	1	1	425	0	0	0	1	1	425	0	0	0
8	Sonto ,A (Amahle)	1	1191.6	1616.6	0	0	0	1	1180.6	1616.6	0	0	0
9	Van Der Merwe ,N (Nico)	1	1	425	0	0	0	1	1	425	0	0	0
9	Van Der Merwe ,N (Nico)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Jacobs ,M (Marli)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Jacobs ,M (Marli)	1	1258.5	833.5	0	0	0	1	1178.8	833.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Theron, J (Janna)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms