Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Heerden, J (Janco)

Chess SA id

106045163

FIDE id

Date of birth

2006-11-16 (U20)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	937	937	882.4	882.4
Raw rating	937	937	882.4	882.4
Weighted rating	937	937	882.4	882.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	241.2	241.2	260.7	260.7
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	937 2024-02-01	937 2024-02-01	882.4 2024-02-01	882.4 2024-02-01
Highest weighted rating	937 2024-11-01	937 2024-11-01	882.4 2024-11-01	882.4 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	937	937	882.4	882.4
Analysis
Rating	937	937	882.4	882.4
Raw rating	937	937	882.4	882.4
Weighted rating	937	937	882.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	241.2	241.2	260.7	260.7
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	937	937	882.4	882.4
New weighted rating	937	937	882.4	882.4
New weighted performance	0	0	0	0
Temp new rating	937	937	882.4	882.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	937	937	882.4	882.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	86	86

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	10	3	30	-170	1232.3	1062.3
Standard	10	3	30	-170	1232.3	1062.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	937	937	882.4	882.4
2025-09-01	937	937	882.4	882.4
2025-08-01	937	937	882.4	882.4
2025-07-01	937	937	882.4	882.4
2025-06-01	937	937	882.4	882.4
2025-05-01	937	937	882.4	882.4
2025-04-01	937	937	882.4	882.4
2025-03-01	937	937	882.4	882.4
2025-02-01	937	937	882.4	882.4
2025-01-01	937	937	882.4	882.4
2024-12-01	937	937	882.4	882.4
2024-11-01	937	937	882.4	882.4
2024-10-01	937	937	882.4	882.4
2024-09-01	937	937	882.4	882.4
2024-08-01	937	937	882.4	882.4
2024-07-01	937	937	882.4	882.4
2024-06-01	937	937	882.4	882.4
2024-08-01	937	937	882.4	882.4
2024-04-01	937	937	882.4	882.4
2024-03-01	937	937	882.4	882.4
2024-02-01	937	937	882.4	882.4
2024-01-01	937	937	882.4	882.4
2023-12-01	934.5	936.8	882.4	882.4
2023-11-01	934.5	936.8	882.4	882.4

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	2019 Gauteng School League Finals (U13 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2019 D4 Tshwane South Schools League Team Finals (U13)	2019-07-27	2019-07-27	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Khoza, G (Gontse)				Opponent Khoza, G (Gontse)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 1	type Standard	result 1	date 2019-08-23	rnd 1	type Standard	result 1
		Opponent Naude, E (Enrique)				Opponent Naude, E (Enrique)
3	1	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Wagener, I (Iwano)				Opponent Wagener, I (Iwano)

#	Games	Start				End
1	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Khoza, G (Gontse)				Opponent Khoza, G (Gontse)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 1	type Standard	result 1	date 2019-08-23	rnd 1	type Standard	result 1
		Opponent Naude, E (Enrique)				Opponent Naude, E (Enrique)
3	1	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Wagener, I (Iwano)				Opponent Wagener, I (Iwano)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Khoza, G (Gontse)				Opponent Khoza, G (Gontse)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 1	type Standard	result 1	date 2019-08-23	rnd 1	type Standard	result 1
		Opponent Naude, E (Enrique)				Opponent Naude, E (Enrique)
3	1	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Wagener, I (Iwano)				Opponent Wagener, I (Iwano)

#	Games	Start				End
1	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 5	type Standard	result 1	date 2019-08-23	rnd 5	type Standard	result 1
		Opponent Khoza, G (Gontse)				Opponent Khoza, G (Gontse)
2	1	Tournament 2019 Gauteng School League Finals				Tournament 2019 Gauteng School League Finals
		date 2019-08-23	rnd 1	type Standard	result 1	date 2019-08-23	rnd 1	type Standard	result 1
		Opponent Naude, E (Enrique)				Opponent Naude, E (Enrique)
3	1	Tournament 2019 D4 Tshwane South Schools League Team Finals				Tournament 2019 D4 Tshwane South Schools League Team Finals
		date 2019-07-27	rnd 2	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Wagener, I (Iwano)				Opponent Wagener, I (Iwano)

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	Steyn ,T (Tjaart)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Steyn ,T (Tjaart)	1	1476.2	1051.2	1	1457.8	1051.2	0	0	0	0	0	0
2	Engels ,ZJ (Zander Johan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Engels ,ZJ (Zander Johan)	1	1188	763	1	1131	763	0	0	0	0	0	0
3	Ismail ,I (Imaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Ismail ,I (Imaan)	1	1330.6	905.6	1	1328.6	905.6	0	0	0	0	0	0
4	Khoza ,G (Gontse)	1	1	425	1	1	425	0	0	0	0	0	0
4	Khoza ,G (Gontse)	1	1371.5	1796.5	1	1369.9	1796.5	0	0	0	0	0	0
5	Reyneke ,M (Melindie)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Reyneke ,M (Melindie)	1	1298	873	1	1294.9	873	0	0	0	0	0	0
6	Jansen ,H (Hilmar)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jansen ,H (Hilmar)	1	1199.3	774.3	1	1140.1	774.3	0	0	0	0	0	0
7	Labuscagne ,A (Anra)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Labuscagne ,A (Anra)	1	1156.3	731.3	1	1146.5	731.3	0	0	0	0	0	0
8	Moss ,P (Prince)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Moss ,P (Prince)	1	1404.7	979.7	1	1406.7	979.7	0	0	0	0	0	0
9	Wagener ,I (Iwano)	1	1	425	1	1	425	0	0	0	0	0	0
9	Wagener ,I (Iwano)	1	734.9	1159.9	1	689.4	1159.9	0	0	0	0	0	0
10	Naude ,E (Enrique)	1	1	425	1	1	425	0	0	0	0	0	0
10	Naude ,E (Enrique)	1	1163.7	1588.7	1	1152	1588.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Heerden, J (Janco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms