Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kovuzela, J (Jabulile)

Chess SA id

2090119783

FIDE id

Date of birth

2009-07-20 (U18)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

2025-08-06

Junior GPX Games

15.9

Junior GPX Points

1099

Item	Main	Standard	Rapid	Blitz
Rating	1185.5	1170	1282.8	1200
Raw rating	1185.5	1170	1282.8	1200
Weighted rating	1185.1	1165.9	1266.8	1200
Weighted performance	1074.7	1013.2	0	0
Floor	758.4	765.2	782.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.3	173.1	147.4	165.8
Highest rating	1265.5 2022-10-01	1265.2 2022-09-01	1282.8 2024-12-01	1200 2018-10-01
Highest raw rating	1258.4 2023-04-01	1265.2 2022-09-01	1282.8 2024-12-01	1200 2024-03-01
Highest weighted rating	1258.4 2024-01-01	1265.2 2024-01-01	1257.6 2025-08-01	1200 2018-10-01
Highest weighted performance	1265.5 2022-10-01	1258.3 2023-08-01	1280.4 2024-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1185.5	1170	1282.8	1200
Analysis
Rating	1185.5	1170	1282.8	1200
Raw rating	1185.5	1170	1282.8	1200
Weighted rating	1185.1	1165.9	1266.8
Weighted performance	1074.7	1013.2	0
K-factor	36	36	36	36
Floor	758.4	765.2	782.8	700
Max/Min rating change allowed	169.3	173.1	147.4	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	1185.5	1170	1282.8	1200
New weighted rating	1185.3	1166.2	1269.4	1200
New weighted performance	1067.8	1006.6	0	0
Temp new rating	1185.5	1170	1282.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1185.5	1170	1282.8	1200
New K-factor	36	36	36	36
New floor	758.4	765.2	782.8	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	49	38	11
	44	44	0
	24	19	5
	4	4	0
History	136	120	16

Games since
	Main 54	Standard 43		Rapid 11		Blitz 0
Gender	Female
Age group	U18
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4217		1369		172
Female	1033		329		44
U18	604		212		31
U18 Female	117		43		7
Standard
	RSA		Province		Region
Overall	4266		1513		187
Female	1067		361		47
U18	631		237		38
U18 Female	121		47		9
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	5	2	40	-85	1264.7	1179.7
Standard	5	2	40	-85	1264.7	1179.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	136	66	48.53	-12.5	1204.7	1192.2
Standard	120	55	45.83	-35.4	1206.3	1170.9
Rapid	16	11	68.75	159.4	1192.8	1352.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1185.5	1170	1282.8	1200
2025-09-30	1185.5	1170	1282.8	1200
2025-09-01	1185.5	1170	1282.8	1200
2025-08-01	1188.4	1169.9	1282.8	1200
2025-07-01	1188.4	1169.9	1282.8	1200
2025-06-01	1188.4	1169.9	1282.8	1200
2025-05-01	1188.4	1169.9	1282.8	1200
2025-04-01	1188.4	1169.9	1282.8	1200
2025-03-01	1188.4	1169.9	1282.8	1200
2025-02-01	1188.4	1168.8	1282.8	1200
2025-01-01	1188.4	1136.1	1282.8	1200
2024-12-01	1231.4	1173.5	1282.8	1200
2024-11-01	1210.7	1173.5	1260.8	1200
2024-10-01	1173.9	1173.5	1214	1200
2024-09-01	1168.5	1164.1	1214	1200
2024-08-01	1177.8	1175.3	1214	1200
2024-07-01	1139.6	1128.1	1214	1200
2024-09-01	1139.6	1128.1	1214	1200
2024-05-01	1139.6	1128.1	1214	1200
2024-04-01	1169.8	1162.7	1214	1200
2024-03-01	1169.8	1162.7	1214	1200
2024-02-01	1169.8	1162.7	1214	1200
2024-01-01	1218.9	1215.3	1214	1200
2023-12-01	1218.9	1215.3	1214	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	GDE (D7) Sedibeng East Schools 2025 (U19)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D7) Sedibeng East Schools 2025 (U19)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
2	Gauteng Inter-Region at UJ 2024 (U16+U18 Girls)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
3	Evaton #Bossoya Chess Rapid 09 Nov 2024 (C)	2024-11-09	2024-11-09	Rapid	Sedibeng (GSV)	6	6	4	Yes	Analysis
4	Gauteng Top Schools 2024 (U15 Girls)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	4	Yes	Analysis
5	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Sedibeng East D7 Teams Trials 2024 (U15)	2024-08-03	2024-08-03	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
7	Eureka Open 27 July 2024 (D)	2024-07-27	2024-07-27	Standard	Sedibeng (GSV)	5	4	1.5	Yes	Analysis
8	Evaton Primary Open 20 July 2024 (C)	2024-07-20	2024-07-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
9	Hoerskool Overvaal Chess Open 2024 (B)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
10	HS Drie Riviere Chess Open Section 2024	2024-03-09	2024-03-09	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
11	2024 Gauteng Inter-Region Chess Championship (U16 Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
12	NWU Vaal Open 2023 (C)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
13	2023 Gauteng Top Schools (U15 Girls)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
14	Gauteng D7 Teams 2023 (U15)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
15	Overvaal Ope Jul 2023 (B)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
16	Eureka Open 2023 (D)	2023-07-29	2023-07-29	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
17	Gauteng Schools D7 2023 (U15 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	Driehoek Open Chess Tournament 2023 (C)	2023-09-13	2023-09-13	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
19	Overvaal Open 2023 (C)	2023-04-15	2023-04-15	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
20	Hoerskool Drie Riviere Open 2023 (C)	2023-03-11	2023-03-11	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
21	OR Tambo Soncini Finals 2022 (Girls)	2022-10-29	2022-10-29	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
22	D7 Teams 2022 (U13 Mixed+Girls)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
23	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
24	Gaueng Schools D7 2022 (U13 Girls)	2022-06-04	2022-06-04	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
25	Drie Riviere Open 2022 (C)	2022-03-12	2022-03-12	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis
26	Mabaleng Chess Open 2021 (C)	2021-11-27	2021-11-27	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
27	Carel`s Open 2020 (D)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
28	Eagles Open 2019 (C)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Gauteng D7 Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Naima, Q (Qhina)
2	4	Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024				Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024
		date 2024-11-09	rnd 3	type Rapid	result 1	date 2024-11-09	rnd 6	type Rapid	result 1
		Opponent Tivana, T (Tsako)				Opponent Mohlamme, T (Trueth)
3	4	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Sobutyu, S (Simanye)				Opponent Mokati, O (Omphemetse)

#	Games	Start				End
1	5	Tournament Gauteng D7 Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Naima, Q (Qhina)
2	4	Tournament D7 Teams 2022				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-13	rnd 5	type Standard	result 1	date 2022-08-27	rnd 3	type Standard	result 1
		Opponent Weber, KP (Keagan)				Opponent Bekker, D (Danica)
3	4	Tournament Gaueng Schools D7 2022				Tournament D7 Teams 2022
		date 2022-06-04	rnd 5	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Pieterse, A (Anzel)				Opponent Smook, J (Jayden)

#	Games	Start				End
1	5	Tournament OR Tambo Soncini Finals 2022				Tournament Gauteng Top Schools 2024
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Erasmus, A (Almay)				Opponent Mokati, O (Omphemetse)
2	4	Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024				Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024
		date 2024-11-09	rnd 3	type Rapid	result 1	date 2024-11-09	rnd 6	type Rapid	result 1
		Opponent Tivana, T (Tsako)				Opponent Mohlamme, T (Trueth)
3	2	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 2	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Makanda, M (Michelle)				Opponent Bhika, J (Jyotikka)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Gauteng D7 Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Naima, Q (Qhina)
2	4	Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024				Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024
		date 2024-11-09	rnd 3	type Rapid	result 1	date 2024-11-09	rnd 6	type Rapid	result 1
		Opponent Tivana, T (Tsako)				Opponent Mohlamme, T (Trueth)
3	4	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Sobutyu, S (Simanye)				Opponent Mokati, O (Omphemetse)

#	Games	Start				End
1	5	Tournament Gauteng D7 Teams 2023				Tournament 2023 Gauteng Top Schools
		date 2023-08-12	rnd 2	type Standard	result 1	date 2023-08-19	rnd 1	type Standard	result 1
		Opponent Chamo, M (Mpho)				Opponent Naima, Q (Qhina)
2	4	Tournament D7 Teams 2022				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-13	rnd 5	type Standard	result 1	date 2022-08-27	rnd 3	type Standard	result 1
		Opponent Weber, KP (Keagan)				Opponent Bekker, D (Danica)
3	4	Tournament Gaueng Schools D7 2022				Tournament D7 Teams 2022
		date 2022-06-04	rnd 5	type Standard	result 1	date 2022-08-13	rnd 3	type Standard	result 1
		Opponent Pieterse, A (Anzel)				Opponent Smook, J (Jayden)

#	Games	Start				End
1	5	Tournament OR Tambo Soncini Finals 2022				Tournament Gauteng Top Schools 2024
		date 2022-10-29	rnd 5	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Erasmus, A (Almay)				Opponent Mokati, O (Omphemetse)
2	4	Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024				Tournament Evaton #Bossoya Chess Rapid 09 Nov 2024
		date 2024-11-09	rnd 3	type Rapid	result 1	date 2024-11-09	rnd 6	type Rapid	result 1
		Opponent Tivana, T (Tsako)				Opponent Mohlamme, T (Trueth)
3	2	Tournament OR Tambo Soncini Finals 2022				Tournament OR Tambo Soncini Finals 2022
		date 2022-10-29	rnd 2	type Rapid	result 1	date 2022-10-29	rnd 3	type Rapid	result 1
		Opponent Makanda, M (Michelle)				Opponent Bhika, J (Jyotikka)

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	Nthejane ,T (Tshepang)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Nthejane ,T (Tshepang)	3	1124.2	1265.9	3	1110.6	1265.9	0	0	0	0	0	0
2	Steyn ,M (Michelle)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Steyn ,M (Michelle)	3	1151	1009.4	3	1135.6	1009.4	0	0	0	0	0	0
3	Mokoena ,R (Rorisang)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mokoena ,R (Rorisang)	2	1003.6	1003.6	2	986.2	1003.6	0	0	0	0	0	0
4	Majola ,O (Omphile)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Majola ,O (Omphile)	2	1242.2	817.2	2	1224.1	817.2	0	0	0	0	0	0
5	Van De Venter ,Z (Zandre)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Van De Venter ,Z (Zandre)	2	1452.6	1027.6	2	1450.7	1027.6	0	0	0	0	0	0
6	Mojaju ,K (Kelebogile)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Mojaju ,K (Kelebogile)	2	1059.3	846.8	2	1046.4	846.8	0	0	0	0	0	0
7	Drotsky ,R (Reynhardt)	2	1	0	2	1	0	0	0	0	0	0	0
7	Drotsky ,R (Reynhardt)	2	1187.8	1187.8	2	1179.1	1187.8	0	0	0	0	0	0
8	Noton ,HR (Hannah)	2	2	425	2	2	425	0	0	0	0	0	0
8	Noton ,HR (Hannah)	2	1168.4	1593.4	2	1161.8	1593.4	0	0	0	0	0	0
9	Maseloane ,T (Tshepang)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Maseloane ,T (Tshepang)	1	1435.1	1010.1	1	1406.9	1010.1	0	0	0	0	0	0
10	Mayers ,G (Gezenka)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mayers ,G (Gezenka)	1	1166.8	741.8	1	1159.4	741.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Kovuzela, J (Jabulile)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms