Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ngwenya, E (Evelyn)

Chess SA id

2150314516

FIDE id

Date of birth

2015-09-12 (U12)

Gender

Female

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

26.7

Junior GPX Points

1182.6

Item	Main	Standard	Rapid	Blitz
Rating	1237.8	1247.7	1199.8	1200
Raw rating	1237.8	1247.7	1199.8	1200
Weighted rating	1207.7	1209.4	1199.8	1200
Weighted performance	1227.2	1232.8	0	0
Floor	737.8	747.7	699.9	700
K-factor	36	36	40	36
Min/Max rating change allowed	157.1	154.9	165.9	165.8
Highest rating	1237.8 2025-09-30	1247.7 2025-09-30	1199.9 2025-02-06	1200 2025-03-01
Highest raw rating	1237.8 2025-09-30	1247.7 2025-09-30	1199.9 2025-02-06	1200 2025-03-01
Highest weighted rating	1207.7 2025-09-30	1209.4 2025-09-30	1199.9 2025-02-06	1200 2025-03-01
Highest weighted performance	1227.2 2025-09-30	1232.8 2025-09-30	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1237.8	1247.7	1199.8	1200
Analysis
Rating	1237.8	1247.7	1199.8	1200
Raw rating	1237.8	1247.7	1199.8	1200
Weighted rating	1207.7	1209.4	1199.8
Weighted performance	1227.2	1232.8	0
K-factor	36	36	40	36
Floor	737.8	747.7	699.9	700
Max/Min rating change allowed	157.1	154.9	165.9	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	1237.8	1247.7	1199.8	1200
New weighted rating	1210.3	1212.8	1199.8	1200
New weighted performance	1226.8	1232.4	0	0
Temp new rating	1237.8	1247.7	1199.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1237.8	1247.7	1199.8	1200
New K-factor	36	36	40	36
New floor	737.8	747.7	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	30	25	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	30	25	5

Games since
	Main 30	Standard 25		Rapid 5		Blitz 0
Gender	Female
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U12	-1		-1		-1
U12 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	30	13.5	45	-42.5	1265.6	1223.1
Standard	25	11.5	46	-34	1275	1241
Rapid	5	2	40	-85	1218.1	1133.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	30	13.5	45	-42.5	1265.6	1223.1
Standard	25	11.5	46	-34	1275	1241
Rapid	5	2	40	-85	1218.1	1133.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1237.8	1247.7	1199.8	1200
2025-09-01	1207.6	1207.7	1199.8	1200
2025-08-01	1228.5	1234.5	1199.8	1200
2025-07-01	1228.5	1234.5	1199.8	1200
2025-06-01	1200.2	1200.3	1199.8	1200
2025-05-01	1200.2	1200.3	1199.8	1200
2025-04-01	1200.2	1200.3	1199.8	1200
2025-03-01	1198.8	1199.4	1198.4	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	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	Ekurhuleni Trial 4 2025 (F)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Ekurhuleni Trials 2025 (F)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	Ekurhuleni Trial 2 2025 (F)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Chess Power House March Open 2025 (D)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	Knight Riders Open Chess Tournament 2025 (D)	2025-02-22	2025-02-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trial 4 2025 (F)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Ekurhuleni Trials 2025 (F)	2025-07-26	2025-07-26	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
3	Ekurhuleni Trial 2 2025 (F)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
4	Chess Power House March Open 2025 (D)	2025-03-22	2025-03-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	Knight Riders Open Chess Tournament 2025 (D)	2025-02-22	2025-02-22	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
6	Chess Power House Feb Rapid 2025 (C)	2025-02-02	2025-02-02	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 0.5
		Opponent Karsas, S (Sophia)				Opponent Olivier, T (Tiaan)
2	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Rautenbach, J (Juanco)				Opponent Naidoo, A (Adelio)
3	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Steinmann, I (Isabella)				Opponent Buddah, J (Jayansh)

#	Games	Start				End
1	2	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 0.5
		Opponent Karsas, S (Sophia)				Opponent Olivier, T (Tiaan)
2	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Rautenbach, J (Juanco)				Opponent Naidoo, A (Adelio)
3	1	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Muthoni, A (Angelina Akua)				Opponent Muthoni, A (Angelina Akua)

#	Games	Start				End
1	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Steinmann, I (Isabella)				Opponent Buddah, J (Jayansh)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Rautenbach, J (Juanco)				Opponent Naidoo, A (Adelio)
2	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Steinmann, I (Isabella)				Opponent Buddah, J (Jayansh)
3	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Karsas, S (Sophia)				Opponent Karsas, S (Sophia)

#	Games	Start				End
1	2	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 4	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Rautenbach, J (Juanco)				Opponent Naidoo, A (Adelio)
2	1	Tournament Ekurhuleni Trials 2025				Tournament Ekurhuleni Trials 2025
		date 2025-07-26	rnd 4	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Karsas, S (Sophia)				Opponent Karsas, S (Sophia)
3	1	Tournament Ekurhuleni Trial 2 2025				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Muthoni, A (Angelina Akua)				Opponent Muthoni, A (Angelina Akua)

#	Games	Start				End
1	2	Tournament Chess Power House Feb Rapid 2025				Tournament Chess Power House Feb Rapid 2025
		date 2025-02-02	rnd 4	type Rapid	result 1	date 2025-02-02	rnd 5	type Rapid	result 1
		Opponent Steinmann, I (Isabella)				Opponent Buddah, J (Jayansh)

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	Ravuri ,C (Chinmay Vihaan)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Ravuri ,C (Chinmay Vihaan)	2	1540.4	1115.4	2	1538.1	1115.4	0	0	0	0	0	0
2	Verwey ,R (Reuben)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Verwey ,R (Reuben)	2	1337.4	912.4	2	1347.9	912.4	0	0	0	0	0	0
3	Khumalo ,ME (Musawenkosi Ethan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Khumalo ,ME (Musawenkosi Ethan)	2	1461.3	1036.3	2	1500.3	1036.3	0	0	0	0	0	0
4	Muthoni ,A (Angelina Akua)	2	2	425	2	2	425	0	0	0	0	0	0
4	Muthoni ,A (Angelina Akua)	2	1199.8	1624.8	2	1199.8	1624.8	0	0	0	0	0	0
5	Naidoo ,A (Adelio)	2	2	425	2	2	425	0	0	0	0	0	0
5	Naidoo ,A (Adelio)	2	1198.3	1623.3	2	1197.9	1623.3	0	0	0	0	0	0
6	Rautenbach ,J (Juanco)	2	2	425	2	2	425	0	0	0	0	0	0
6	Rautenbach ,J (Juanco)	2	1197.8	1622.8	2	1197.2	1622.8	0	0	0	0	0	0
7	Visagie ,A (Arina)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Visagie ,A (Arina)	1	1496	1071	1	1505.3	1071	0	0	0	0	0	0
8	Karsas ,S (Sophia)	1	1	425	1	1	425	0	0	0	0	0	0
8	Karsas ,S (Sophia)	1	1179.2	1604.2	1	1175.6	1604.2	0	0	0	0	0	0
9	Pennington ,B (Brent)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pennington ,B (Brent)	1	1191	766	1	1189.2	766	0	0	0	0	0	0
10	Olivier ,T (Tiaan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Olivier ,T (Tiaan)	1	1316.3	1316.3	1	1311.3	1316.3	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

Ngwenya, E (Evelyn)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms