Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, J (Janelle)

Chess SA id

2080159929

FIDE id

Date of birth

2008-11-10 (U18)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1234.3	1200	1260.1	1200
Raw rating	1234.3	1200	1260.1	1200
Weighted rating	1232.7	1200	1255.3	1200
Weighted performance	0	0	0	0
Floor	734.3	700	760.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.9	165.8	152.2	165.8
Highest rating	1321 2023-08-01	1200 2018-10-01	1349.6 2023-08-01	1200 2018-10-01
Highest raw rating	1234.3 2024-09-01	1200 2024-03-01	1260.1 2024-09-01	1200 2024-03-01
Highest weighted rating	1231.5 2025-08-01	1200 2018-10-01	1251.9 2025-08-01	1200 2018-10-01
Highest weighted performance	1321 2023-08-01	1200 2024-03-01	1349.6 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1234.3	1200	1260.1	1200
Analysis
Rating	1234.3	1200	1260.1	1200
Raw rating	1234.3	1200	1260.1	1200
Weighted rating	1232.7	1200	1255.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	734.3	700	760.1	700
Max/Min rating change allowed	157.9	165.8	152.2	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	1234.3	1200	1260.1	1200
New weighted rating	1233	1200	1256.3	1200
New weighted performance	0	0	0	0
Temp new rating	1234.3	1200	1260.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1234.3	1200	1260.1	1200
New K-factor	36	36	36	36
New floor	734.3	700	760.1	700

Item	Main	Rapid
	0	0
	0	0
	5	5
	5	5
	0	0
	0	0
History	10	10

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Female
Age group	U18
Region	Mangaung (FMB)
Province	Free State (FS)
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	10	7	70	170	1201.4	1371.4
Standard	0	0	0	0	0	0
Rapid	10	7	70	170	1201.4	1371.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1234.3	1200	1260.1	1200
2025-09-30	1234.3	1200	1260.1	1200
2025-09-01	1234.3	1200	1260.1	1200
2025-08-01	1234.3	1200	1260.1	1200
2025-07-01	1234.3	1200	1260.1	1200
2025-06-01	1234.3	1200	1260.1	1200
2025-05-01	1234.3	1200	1260.1	1200
2025-04-01	1234.3	1200	1260.1	1200
2025-03-01	1234.3	1200	1260.1	1200
2025-02-01	1234.3	1200	1260.1	1200
2025-01-01	1234.3	1200	1260.1	1200
2024-12-01	1234.3	1200	1260.1	1200
2024-11-01	1234.3	1200	1260.1	1200
2024-10-01	1234.3	1200	1260.1	1200
2024-09-01	1234.3	1200	1260.1	1200
2024-08-01	1223.6	1200	1228.4	1200
2024-07-01	1223.6	1200	1228.4	1200
2024-09-01	1223.6	1200	1228.4	1200
2024-05-01	1223.6	1200	1228.4	1200
2024-04-01	1223.6	1200	1228.4	1200
2024-03-01	1223.6	1200	1228.4	1200
2024-02-01	1223.6	1200	1228.4	1200
2024-01-01	1223.6	1200	1228.4	1200
2023-12-01	1223.6	1200	1228.4	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	Bloemfontein Highschool League 02 Aug 2024 (U17A)	2024-08-02	2024-08-02	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis
2	St Andrews 19 August 2023 (B)	2023-08-19	2023-08-19	Rapid	Mangaung (FMB)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	6	Tournament St Andrews 19 August 2023				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2023-08-19	rnd 4	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Gulwa, Z (Zintle)				Opponent Smith, J (Jolin)
2	2	Tournament St Andrews 19 August 2023				Tournament St Andrews 19 August 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Lebenya, A (Agnes)				Opponent Onyedire, N (Neo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament St Andrews 19 August 2023				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2023-08-19	rnd 4	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Gulwa, Z (Zintle)				Opponent Smith, J (Jolin)
2	2	Tournament St Andrews 19 August 2023				Tournament St Andrews 19 August 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Lebenya, A (Agnes)				Opponent Onyedire, N (Neo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 2	type Rapid	result 1
		Opponent Melville, J (Joalize)				Opponent Davids, T (Timothy)
2	2	Tournament St Andrews 19 August 2023				Tournament St Andrews 19 August 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Lebenya, A (Agnes)				Opponent Onyedire, N (Neo)
3	1	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-08-02	rnd 4	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Smith, J (Jolin)				Opponent Smith, J (Jolin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-08-02	rnd 1	type Rapid	result 1	date 2024-08-02	rnd 2	type Rapid	result 1
		Opponent Melville, J (Joalize)				Opponent Davids, T (Timothy)
2	2	Tournament St Andrews 19 August 2023				Tournament St Andrews 19 August 2023
		date 2023-08-19	rnd 1	type Rapid	result 1	date 2023-08-19	rnd 2	type Rapid	result 1
		Opponent Lebenya, A (Agnes)				Opponent Onyedire, N (Neo)
3	1	Tournament Bloemfontein Highschool League 02 Aug 2024				Tournament Bloemfontein Highschool League 02 Aug 2024
		date 2024-08-02	rnd 4	type Rapid	result 1	date 2024-08-02	rnd 4	type Rapid	result 1
		Opponent Smith, J (Jolin)				Opponent Smith, J (Jolin)

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	Gulwa ,Z (Zintle)	1	1	425	0	0	0	1	1	425	0	0	0
1	Gulwa ,Z (Zintle)	1	1215.6	1640.6	0	0	0	1	1200	1640.6	0	0	0
2	Onyedire ,N (Neo)	1	1	425	0	0	0	1	1	425	0	0	0
2	Onyedire ,N (Neo)	1	1183.4	1608.4	0	0	0	1	1200	1608.4	0	0	0
3	Lebenya ,A (Agnes)	1	1	425	0	0	0	1	1	425	0	0	0
3	Lebenya ,A (Agnes)	1	1233.6	1658.6	0	0	0	1	1041.5	1658.6	0	0	0
4	Davids ,T (Timothy)	1	1	425	0	0	0	1	1	425	0	0	0
4	Davids ,T (Timothy)	1	1229.3	1654.3	0	0	0	1	1257.6	1654.3	0	0	0
5	Melville ,J (Joalize)	1	1	425	0	0	0	1	1	425	0	0	0
5	Melville ,J (Joalize)	1	1116	1541	0	0	0	1	1124.6	1541	0	0	0
6	Jacobs ,L (Luciano)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Jacobs ,L (Luciano)	1	1241.3	1241.3	0	0	0	1	1276.8	1241.3	0	0	0
7	Smith ,J (Jolin)	1	1	425	0	0	0	1	1	425	0	0	0
7	Smith ,J (Jolin)	1	1114.8	1539.8	0	0	0	1	1131.2	1539.8	0	0	0
8	Mclachlan ,J (James)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Mclachlan ,J (James)	1	1253.2	828.2	0	0	0	1	1277.6	828.2	0	0	0
9	Melville ,J (Jason)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Melville ,J (Jason)	1	1203.4	778.4	0	0	0	1	1217.5	778.4	0	0	0
10	Mosoeu ,R (Reitumetse)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Mosoeu ,R (Reitumetse)	1	1223.8	1223.8	0	0	0	1	1197.4	1223.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Botha, J (Janelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms