Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nel, Z (Zonika)

Chess SA id

2090142774

FIDE id

Date of birth

2009-10-22 (U18)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1241.9	1259.3	1195.2	1200
Raw rating	1241.9	1259.3	1195.2	1200
Weighted rating	1239.5	1255	1194.1	1200
Weighted performance	1040.5	1067.9	0	0
Floor	750	759.3	720.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.2	152.4	167	165.8
Highest rating	1250 2024-06-01	1259.3 2024-10-01	1290.7 2024-03-01	1200 2018-10-01
Highest raw rating	1250 2024-06-01	1259.3 2024-10-01	1220.5 2024-04-01	1200 2024-03-01
Highest weighted rating	1238.5 2025-08-01	1253 2025-08-01	1220.5 2024-07-01	1200 2018-10-01
Highest weighted performance	1238.5 2024-05-01	1239.8 2024-09-01	1290.7 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1241.9	1259.3	1195.2	1200
Analysis
Rating	1241.9	1259.3	1195.2	1200
Raw rating	1241.9	1259.3	1195.2	1200
Weighted rating	1239.5	1255	1194.1
Weighted performance	1040.5	1067.9	0
K-factor	36	36	36	36
Floor	750	759.3	720.5	700
Max/Min rating change allowed	156.2	152.4	167	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	1241.9	1259.3	1195.2	1200
New weighted rating	1240	1255.8	1194	1200
New weighted performance	1040.1	1067.5	0	0
Temp new rating	1241.9	1259.3	1195.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1241.9	1259.3	1195.2	1200
New K-factor	36	36	36	36
New floor	750	759.3	720.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	27	18	9
	9	9	0
	4	4	0
	0	0	0
History	40	31	9

Games since
	Main 27	Standard 18		Rapid 9		Blitz 0
Gender	Female
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
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	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	40	19.5	48.75	-10.6	1251.1	1240.5
Standard	31	15.5	50	0	1266.5	1266.5
Rapid	9	4	44.44	-47.2	1198.1	1150.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1241.9	1259.3	1195.2	1200
2025-09-01	1241.9	1259.3	1195.2	1200
2025-08-01	1241.9	1259.3	1195.2	1200
2025-07-01	1241.9	1259.3	1195.2	1200
2025-06-01	1241.9	1259.3	1195.2	1200
2025-05-01	1241.9	1259.3	1195.2	1200
2025-04-01	1241.9	1259.3	1195.2	1200
2025-03-01	1241.9	1259.3	1195.2	1200
2025-02-01	1241.9	1259.3	1194.3	1200
2025-01-01	1241.9	1259.3	1179.8	1200
2024-12-01	1241.9	1259.3	1179.8	1200
2024-11-01	1241.9	1259.3	1179.8	1200
2024-10-01	1241.9	1259.3	1179.8	1200
2024-09-01	1222.8	1250.3	1179.8	1200
2024-08-01	1222.8	1250.3	1179.8	1200
2024-07-01	1250	1250.3	1220.5	1200
2024-06-01	1250	1250.3	1220.5	1200
2024-08-01	1215.3	1207.8	1220.5	1200
2024-04-01	1235.3	1231.2	1220.5	1200
2024-03-01	1226.9	1231.2	1200	1200
2024-02-01	1226.9	1231.2	1200	1200
2024-01-01	1226.9	1231.2	1200	1200
2023-12-01	1226.9	1231.2	1200	1200
2023-11-01	1226.9	1231.2	1200	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	Ekurhuleni North Schools Finals - Teams 2024 (U17 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
2	Gauteng Schools Individuals Finals 2024 (U15 Girls)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	Kempton Park Cluster Teams 2024 (U18)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	5	4	1	Yes	Analysis
4	Ekurhuleni North High School Individuals 2024 (U15 Girls)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
5	Ekurhuleni Open 2024 (C)	2024-04-06	2024-04-06	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Kempton Park Cluster Individuals 2024 (U15+U18 Girls)	2024-03-02	2024-03-02	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
7	Gauteng Schools Individual Finals 2023 (U15 Girls)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
8	Ekurhuleni North Schools Individual Finals 2023 (U15 Girls)	2023-05-13	2023-05-13	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
9	Ekurhuleni-North Schools Finals Indiv 2022 (U13 Girls)	2022-05-13	2022-05-13	Standard	Ekurhuleni (GE)	5	4	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-04-06	rnd 5	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Holtzhausen, D (Daniel)				Opponent Huebsch, J (Jessica)
2	4	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Matshaya, M (Moreblessing)				Opponent Mthetwa, N (Nonhle)
3	3	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-17	rnd 3	type Standard	result 1
		Opponent Sebogoane, T (Thoriso)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	4	Tournament Ekurhuleni Open 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-04-06	rnd 5	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Holtzhausen, D (Daniel)				Opponent Huebsch, J (Jessica)
2	4	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Matshaya, M (Moreblessing)				Opponent Mthetwa, N (Nonhle)
3	3	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-17	rnd 3	type Standard	result 1
		Opponent Sebogoane, T (Thoriso)				Opponent Bothma, J (Jaculene)

#	Games	Start				End
1	1	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 3	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Mncube, D (Doctor)				Opponent Mncube, D (Doctor)
2	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Hibbers, E (Eilene)				Opponent Hibbers, E (Eilene)
3	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 3	type Rapid	result 1
		Opponent Pillay, R (Rhea)				Opponent Pillay, R (Rhea)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Matshaya, M (Moreblessing)				Opponent Mthetwa, N (Nonhle)
2	3	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-17	rnd 3	type Standard	result 1
		Opponent Sebogoane, T (Thoriso)				Opponent Bothma, J (Jaculene)
3	2	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Masinge, N (Nyeleti)				Opponent Huebsch, J (Jessica)

#	Games	Start				End
1	4	Tournament Ekurhuleni North Schools Individual Finals 2023				Tournament Ekurhuleni North Schools Individual Finals 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Matshaya, M (Moreblessing)				Opponent Mthetwa, N (Nonhle)
2	3	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 1	type Standard	result 1	date 2024-08-17	rnd 3	type Standard	result 1
		Opponent Sebogoane, T (Thoriso)				Opponent Bothma, J (Jaculene)
3	2	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Masinge, N (Nyeleti)				Opponent Huebsch, J (Jessica)

#	Games	Start				End
1	1	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 3	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Mncube, D (Doctor)				Opponent Mncube, D (Doctor)
2	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 5	type Rapid	result 1	date 2024-03-02	rnd 5	type Rapid	result 1
		Opponent Hibbers, E (Eilene)				Opponent Hibbers, E (Eilene)
3	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 3	type Rapid	result 1	date 2024-03-02	rnd 3	type Rapid	result 1
		Opponent Pillay, R (Rhea)				Opponent Pillay, R (Rhea)

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	Sebogoane ,T (Thoriso)	2	1	0	2	1	0	0	0	0	0	0	0
1	Sebogoane ,T (Thoriso)	2	1485.8	1485.8	2	1480.1	1485.8	0	0	0	0	0	0
2	De Lange ,N (Nadia)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	De Lange ,N (Nadia)	1	1081.9	656.9	1	1012.2	656.9	0	0	0	0	0	0
3	De Lange ,L (Lieschen)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Lange ,L (Lieschen)	1	1145.6	720.6	1	1132	720.6	0	0	0	0	0	0
4	Hingorani ,R (Ridhima)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Hingorani ,R (Ridhima)	1	1434.1	1009.1	1	1456.8	1009.1	0	0	0	0	0	0
5	Adjina ,A (Amelia)	1	1	425	1	1	425	0	0	0	0	0	0
5	Adjina ,A (Amelia)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Tyson ,K (Kayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tyson ,K (Kayla)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Chuang ,B (Bob)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Chuang ,B (Bob)	1	1300	875	1	1239.6	875	0	0	0	0	0	0
8	Aldum ,C (Carla)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Aldum ,C (Carla)	1	1339.6	914.6	1	1343.9	914.6	0	0	0	0	0	0
9	Bothma ,J (Jaculene)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bothma ,J (Jaculene)	1	1392.6	1817.6	1	1380.3	1817.6	0	0	0	0	0	0
10	Kotze ,S (Skye)	1	1	425	1	1	425	0	0	0	0	0	0
10	Kotze ,S (Skye)	1	1190.6	1615.6	1	1196.4	1615.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Nel, Z (Zonika)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms