Chess South Africa Ratings Database

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Personal

Nel, J (Johanne)

Chess SA id

209077117

FIDE id

Date of birth

2009-12-11 (U18)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	606.2	598.7	500	598.6
Raw rating	606.2	598.7	500	598.6
Weighted rating	547.9	547	500	536.1
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	386.4	390.6	449.5	390.6
Highest rating	1200 2024-03-01	1200 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	606.2 2025-09-01	598.7 2025-09-01	500 2024-03-01	598.6 2025-07-01
Highest weighted rating	556.9 2024-11-01	539.2 2024-11-01	500 2024-11-01	515.4 2025-08-01
Highest weighted performance	1200 2024-03-01	1200 2024-03-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	606.2	598.7	500	598.6
Analysis
Rating	606.2	598.7	500	598.6
Raw rating	606.2	598.7	500	598.6
Weighted rating	547.9	547	500
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	386.4	390.6	449.5	390.6
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	606.2	598.7	500	598.6
New weighted rating	553.9	552.3	500	542.4
New weighted performance	0	0	0	0
Temp new rating	606.2	598.7	500	598.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	606.2	598.7	500	598.6
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Blitz
	0	0	0
	9	2	7
	5	5	0
	0	0	0
	0	0	0
	0	0	0
History	29	22	7

Games since
	Main 14	Standard 7		Rapid 0		Blitz 7
Gender	Female
Age group	U18
Region	Sedibeng (GSV)
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	9	4	44.44	-47.2	1308.7	1261.5
Standard	2	1.5	75	212.5	1227.7	1440.2
Rapid	0	0	0	0	0	0
Blitz	7	2.5	35.71	-121.4	1331.9	1210.5
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5	35.71	-121.4	1297.7	1176.3
Standard	7	2.5	35.71	-121.4	1263.6	1142.1
Rapid	0	0	0	0	0	0
Blitz	7	2.5	35.71	-121.4	1331.9	1210.5

Date	Main	Standard	Rapid	Blitz
2025-11-01	606.2	598.7	500	598.6
2025-09-30	606.2	598.7	500	598.6
2025-09-01	606.2	598.7	500	598.6
2025-08-01	556.9	539.2	500	598.6
2025-07-01	556.9	539.2	500	598.6
2025-06-01	532.5	539.2	500	500
2025-05-01	532.5	539.2	500	500
2025-04-01	532.5	539.2	500	500
2025-03-01	532.5	539.2	500	500
2025-02-01	532.5	539.2	500	500
2025-01-01	532.5	539.2	500	500
2024-12-01	532.5	539.2	500	500
2024-11-01	532.5	539.2	500	500
2024-10-01	532.5	539.2	500	500
2024-09-01	532.5	539.2	500	500
2024-08-01	500	500	500	500
2024-07-01	500	500	500	500
2024-09-01	500	500	500	500
2024-05-01	500	500	500	500
2024-04-01	500	500	500	500
2024-03-01	500	500	500	500
2024-02-01	500	500	500	500
2024-01-01	500	500	500	500
2023-12-01	500	500	500	500

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 (D8) Sedibeng West Schools - Teams 2025 (U17)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	4	2	1.5	Yes	Analysis
2	Vaal Chess Club Blitz Open 31 May 2025 (A)	2025-05-31	2025-05-31	Blitz	Sedibeng (GSV)	7	7	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GDE (D8) Sedibeng West Schools - Teams 2025 (U17)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	4	2	1.5	Yes	Analysis
2	Vaal Chess Club Blitz Open 31 May 2025 (A)	2025-05-31	2025-05-31	Blitz	Sedibeng (GSV)	7	7	2.5	Yes	Analysis
3	Sedibeng West District Schools Chess Team's Championships 2024 (U15)	2024-08-12	2024-08-12	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Laage, U (Ulrich)				Opponent Nxumalo, S (Simphiwe Monde)
2	2	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 6	type Blitz	result 0.5
		Opponent Olivier, J (Jan-Hendrik)				Opponent Du Plooy, M (Matthew)
3	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 2	type Blitz	result 1	date 2025-05-31	rnd 2	type Blitz	result 1
		Opponent Nhlapo, M (Mpilo)				Opponent Nhlapo, M (Mpilo)

#	Games	Start				End
1	2	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 0.5
		Opponent Laage, U (Ulrich)				Opponent Nxumalo, S (Simphiwe Monde)
2	1	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament Sedibeng West District Schools Chess Team's Championships 2024
		date 2024-08-12	rnd 2	type Standard	result 1	date 2024-08-12	rnd 2	type Standard	result 1
		Opponent Nienaber, R (Retha)				Opponent Nienaber, R (Retha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 6	type Blitz	result 0.5
		Opponent Olivier, J (Jan-Hendrik)				Opponent Du Plooy, M (Matthew)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 2	type Blitz	result 1	date 2025-05-31	rnd 2	type Blitz	result 1
		Opponent Nhlapo, M (Mpilo)				Opponent Nhlapo, M (Mpilo)

#	Games	Start				End
1	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Laage, U (Ulrich)				Opponent Laage, U (Ulrich)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 5	type Blitz	result 1
		Opponent Olivier, J (Jan-Hendrik)				Opponent Olivier, J (Jan-Hendrik)
3	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 2	type Blitz	result 1	date 2025-05-31	rnd 2	type Blitz	result 1
		Opponent Nhlapo, M (Mpilo)				Opponent Nhlapo, M (Mpilo)

#	Games	Start				End
1	1	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Laage, U (Ulrich)				Opponent Laage, U (Ulrich)
2	1	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament Sedibeng West District Schools Chess Team's Championships 2024
		date 2024-08-12	rnd 2	type Standard	result 1	date 2024-08-12	rnd 2	type Standard	result 1
		Opponent Nienaber, R (Retha)				Opponent Nienaber, R (Retha)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 5	type Blitz	result 1	date 2025-05-31	rnd 5	type Blitz	result 1
		Opponent Olivier, J (Jan-Hendrik)				Opponent Olivier, J (Jan-Hendrik)
2	1	Tournament Vaal Chess Club Blitz Open 31 May 2025				Tournament Vaal Chess Club Blitz Open 31 May 2025
		date 2025-05-31	rnd 2	type Blitz	result 1	date 2025-05-31	rnd 2	type Blitz	result 1
		Opponent Nhlapo, M (Mpilo)				Opponent Nhlapo, M (Mpilo)

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	Motaung ,R (Retshepile)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Motaung ,R (Retshepile)	1	1386.5	961.5	1	1388.1	961.5	0	0	0	0	0	0
2	Mthembu ,M (Mpho)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mthembu ,M (Mpho)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Nienaber ,R (Retha)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nienaber ,R (Retha)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Laage ,U (Ulrich)	1	1	425	1	1	425	0	0	0	0	0	0
4	Laage ,U (Ulrich)	1	1255.6	1680.6	1	1254.6	1680.6	0	0	0	0	0	0
5	More ,N (Nqobile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	More ,N (Nqobile)	1	1240.9	815.9	1	1242.9	815.9	0	0	0	0	0	0
6	Mgwevu ,Z (Zamani)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mgwevu ,Z (Zamani)	1	1362.3	937.3	1	1393	937.3	0	0	0	0	0	0
7	Nxumalo ,S (Simphiwe Monde)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Nxumalo ,S (Simphiwe Monde)	1	1199.8	1199.8	1	1199.7	1199.8	0	0	0	0	0	0
8	Klaaste ,C (Chadley)	1	0	-425	0	0	0	0	0	0	1	0	-425
8	Klaaste ,C (Chadley)	1	1660.1	1235.1	0	0	0	0	0	0	1	1305.7	1235.1
9	Matsaneng ,M (Mohau Prince)	1	0	-425	0	0	0	0	0	0	1	0	-425
9	Matsaneng ,M (Mohau Prince)	1	1200	775	0	0	0	0	0	0	1	1200	775
10	Olivier ,J (Jan-Hendrik)	1	1	425	0	0	0	0	0	0	1	1	425
10	Olivier ,J (Jan-Hendrik)	1	1490.5	1915.5	0	0	0	0	0	0	1	1200	1915.5

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nel, J (Johanne)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms