Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Berg, J (Janelle)

Chess SA id

1110150947

FIDE id

Date of birth

2011-06-28 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1119.9	1104.8	1200	1200
Raw rating	1119.9	1104.8	1200	1200
Weighted rating	1116.2	1100.4	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.9	189.9	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1119.9	1104.8	1200	1200
Analysis
Rating	1119.9	1104.8	1200	1200
Raw rating	1119.9	1104.8	1200	1200
Weighted rating	1116.2	1100.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.9	189.9	165.8	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	1119.9	1104.8	1200	1200
New weighted rating	1116.4	1100.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1119.9	1104.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1119.9	1104.8	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	4	4
	15	15
	0	0
	0	0
History	19	19

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-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	19	5	26.32	-201.3	1255.9	1054.6
Standard	19	5	26.32	-201.3	1255.9	1054.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1119.9	1104.8	1200	1200
2025-09-30	1119.9	1104.8	1200	1200
2025-09-01	1119.9	1104.8	1200	1200
2025-08-01	1119.9	1104.8	1200	1200
2025-07-01	1119.9	1104.8	1200	1200
2025-06-01	1119.9	1104.8	1200	1200
2025-05-01	1119.9	1104.8	1200	1200
2025-04-01	1119.9	1104.8	1200	1200
2025-03-01	1119.9	1104.8	1200	1200
2025-02-01	1119.9	1104.8	1200	1200
2025-01-01	1106.7	1089.2	1200	1200
2024-12-01	1106.7	1089.2	1200	1200
2024-11-01	1106.7	1089.2	1200	1200
2024-10-01	1106.7	1089.2	1200	1200
2024-09-01	1106.7	1089.2	1200	1200
2024-08-01	1106.7	1089.2	1200	1200
2024-07-01	1106.7	1089.2	1200	1200
2024-09-01	1106.7	1089.2	1200	1200
2024-05-01	1106.7	1089.2	1200	1200
2024-04-01	1106.7	1089.2	1200	1200
2024-03-01	1106.7	1089.2	1200	1200
2024-02-01	1151.2	1141.2	1200	1200
2024-01-01	1151.2	1141.2	1200	1200
2023-12-01	1151.2	1141.2	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	Eden School Chess Trials 1 2024 (U13 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	0	0	No	Analysis
2	Kannaland Proewe 2 2024 (U13 Boys)	2024-02-24	2024-02-24	Standard	Eden (WEG)	5	4	0	Yes	Analysis
3	Eden Top Schools 2023 (U13 Mix)	2023-08-19	2023-08-19	Standard	Eden (WEG)	5	5	1	Yes	Analysis
4	Eden Trails 1 2023 (U13 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Kannaland Proewe 1 2023 (U11+U13 Boys)	2023-02-18	2023-02-18	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Eden Top Schools 2023				Tournament Eden Top Schools 2023
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Rall, N (Nora)				Opponent Rall, N (Nora)
2	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 5	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Success, P (Phiri)				Opponent Success, P (Phiri)
3	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Du Toit, H (Henrico)				Opponent Du Toit, H (Henrico)

#	Games	Start				End
1	1	Tournament Eden Top Schools 2023				Tournament Eden Top Schools 2023
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Rall, N (Nora)				Opponent Rall, N (Nora)
2	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 5	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Success, P (Phiri)				Opponent Success, P (Phiri)
3	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Du Toit, H (Henrico)				Opponent Du Toit, H (Henrico)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Eden Top Schools 2023				Tournament Eden Top Schools 2023
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Rall, N (Nora)				Opponent Rall, N (Nora)
2	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 5	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Success, P (Phiri)				Opponent Success, P (Phiri)
3	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Du Toit, H (Henrico)				Opponent Du Toit, H (Henrico)

#	Games	Start				End
1	1	Tournament Eden Top Schools 2023				Tournament Eden Top Schools 2023
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 2	type Standard	result 1
		Opponent Rall, N (Nora)				Opponent Rall, N (Nora)
2	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 5	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Success, P (Phiri)				Opponent Success, P (Phiri)
3	1	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Du Toit, H (Henrico)				Opponent Du Toit, H (Henrico)

No games found.

#	Games	Start				End

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	Koopman ,J (Juan)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Koopman ,J (Juan)	3	1176.1	751.1	3	1170.9	751.1	0	0	0	0	0	0
2	Meyer ,M (Mano-Lee)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Meyer ,M (Mano-Lee)	2	1208.9	783.9	2	1210.8	783.9	0	0	0	0	0	0
3	Pretorius ,I (Immanuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Pretorius ,I (Immanuel)	1	1541.7	1116.7	1	1542.1	1116.7	0	0	0	0	0	0
4	Rothman ,W (Wade)	1	1	425	1	1	425	0	0	0	0	0	0
4	Rothman ,W (Wade)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ayford ,J (Jordan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ayford ,J (Jordan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Erasmus ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Erasmus ,A (Anneke)	1	1398.3	973.3	1	1391.9	973.3	0	0	0	0	0	0
7	Success ,P (Phiri)	1	1	425	1	1	425	0	0	0	0	0	0
7	Success ,P (Phiri)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Prins ,R (Reinhart)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Prins ,R (Reinhart)	1	1489.9	1064.9	1	1482.3	1064.9	0	0	0	0	0	0
9	Mpuru ,M (Moyisi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mpuru ,M (Moyisi)	1	1422.2	997.2	1	1421	997.2	0	0	0	0	0	0
10	Ruiters ,W (Whaylin)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ruiters ,W (Whaylin)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Van Der Berg, 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