Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Heerden, J (Johann)

Chess SA id

1100306648

FIDE id

Date of birth

2010-11-05 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1188.7	1184.9	1200	1200
Raw rating	1188.7	1184.9	1200	1200
Weighted rating	1188.1	1184.1	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168.5	169.4	165.8	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2025-01-01	1200 2025-01-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1188.7	1184.9	1200	1200
Analysis
Rating	1188.7	1184.9	1200	1200
Raw rating	1188.7	1184.9	1200	1200
Weighted rating	1188.1	1184.1	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	168.5	169.4	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	1188.7	1184.9	1200	1200
New weighted rating	1188	1184	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1188.7	1184.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1188.7	1184.9	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	5	5
	5	5
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	5	2	40	-85	1225.9	1140.9
Standard	5	2	40	-85	1225.9	1140.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1160.9	1118.4
Standard	10	4.5	45	-42.5	1160.9	1118.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1188.7	1184.9	1200	1200
2025-09-30	1188.7	1184.9	1200	1200
2025-09-01	1188.7	1184.9	1200	1200
2025-08-01	1188.7	1184.9	1200	1200
2025-07-01	1188.3	1184.6	1200	1200
2025-06-01	1190.1	1186.7	1200	1200
2025-05-01	1190.1	1186.7	1200	1200
2025-04-01	1190.1	1186.7	1200	1200
2025-03-01	1190.1	1186.7	1200	1200
2025-02-01	1189.6	1186.1	1200	1200
2025-01-01	1178.8	1171.6	1200	1200
2024-12-01	1178.8	1171.6	1200	1200
2024-11-01	1178.8	1171.6	1200	1200
2024-10-01	1178.8	1171.6	1200	1200
2024-09-01	1178.8	1171.6	1200	1200
2024-08-01	1178.8	1171.6	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	2025 JMCA Open Chess Tournament (D)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 JMCA Open Chess Tournament (D)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	Menlopark Open Chess Tournament 2024 (C)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-07-13	rnd 5	type Standard	result 0.5
		Opponent Mohloana, N (Nobuhle)				Opponent Mashele, N (Naledi)
2	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Du Toit, J (Janco)				Opponent Du Toit, J (Janco)
3	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 2	type Standard	result 1
		Opponent Malupe, K (Kago (a))				Opponent Malupe, K (Kago (a))

#	Games	Start				End
1	2	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-07-13	rnd 5	type Standard	result 0.5
		Opponent Mohloana, N (Nobuhle)				Opponent Mashele, N (Naledi)
2	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Du Toit, J (Janco)				Opponent Du Toit, J (Janco)
3	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 2	type Standard	result 1
		Opponent Malupe, K (Kago (a))				Opponent Malupe, K (Kago (a))

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Du Toit, J (Janco)				Opponent Du Toit, J (Janco)
2	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 2	type Standard	result 1
		Opponent Malupe, K (Kago (a))				Opponent Malupe, K (Kago (a))
3	1	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-07-13	rnd 4	type Standard	result 1
		Opponent Mohloana, N (Nobuhle)				Opponent Mohloana, N (Nobuhle)

#	Games	Start				End
1	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 5	type Standard	result 1	date 2025-06-07	rnd 5	type Standard	result 1
		Opponent Du Toit, J (Janco)				Opponent Du Toit, J (Janco)
2	1	Tournament 2025 JMCA Open Chess Tournament				Tournament 2025 JMCA Open Chess Tournament
		date 2025-06-07	rnd 2	type Standard	result 1	date 2025-06-07	rnd 2	type Standard	result 1
		Opponent Malupe, K (Kago (a))				Opponent Malupe, K (Kago (a))
3	1	Tournament Menlopark Open Chess Tournament 2024				Tournament Menlopark Open Chess Tournament 2024
		date 2024-07-13	rnd 4	type Standard	result 1	date 2024-07-13	rnd 4	type Standard	result 1
		Opponent Mohloana, N (Nobuhle)				Opponent Mohloana, N (Nobuhle)

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	Mc Lardy ,S (Shaun)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mc Lardy ,S (Shaun)	1	1170.7	745.7	1	1200	745.7	0	0	0	0	0	0
2	Seopa ,K (Kgantshi Kgolo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Seopa ,K (Kgantshi Kgolo)	1	1286.3	861.3	1	1303.2	861.3	0	0	0	0	0	0
3	De Kock ,L (Lana)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Kock ,L (Lana)	1	1116.6	691.6	1	1101.7	691.6	0	0	0	0	0	0
4	Du Toit ,J (Janco)	1	1	425	1	1	425	0	0	0	0	0	0
4	Du Toit ,J (Janco)	1	1243.1	1668.1	1	1247.7	1668.1	0	0	0	0	0	0
5	Mohloana ,N (Nobuhle)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mohloana ,N (Nobuhle)	1	999.6	1424.6	1	976.8	1424.6	0	0	0	0	0	0
6	Steyn ,N (Noah)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Steyn ,N (Noah)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Nkosi ,D (Dodi Dita)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nkosi ,D (Dodi Dita)	1	1131.3	1556.3	1	1118.4	1556.3	0	0	0	0	0	0
8	Mashele ,N (Naledi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Mashele ,N (Naledi)	1	1061.7	1061.7	1	1036.7	1061.7	0	0	0	0	0	0
9	Malupe ,K (Kago (a))	1	1	425	1	1	425	0	0	0	0	0	0
9	Malupe ,K (Kago (a))	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Gofhamodimo ,K (Kgatoentle)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gofhamodimo ,K (Kgatoentle)	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

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Heerden, J (Johann)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms