Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Heerden, Z (Zachariah)

Chess SA id

1130158986

FIDE id

Van Heerden

Date of birth

2013-11-03 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1121.4	1132.4	1153.5	1200
Raw rating	1121.4	1132.4	1153.5	1200
Weighted rating	1114.5	1125.9	1150.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.5	182.6	177.2	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1121.4	1132.4	1153.5	1200
Analysis
Rating	1121.4	1132.4	1153.5	1200
Raw rating	1121.4	1132.4	1153.5	1200
Weighted rating	1114.5	1125.9	1150.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.5	182.6	177.2	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	1121.4	1132.4	1153.5	1200
New weighted rating	1114.6	1125.9	1150.6	1200
New weighted performance	0	0	0	0
Temp new rating	1121.4	1132.4	1153.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1121.4	1132.4	1153.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	6	0	6
	0	0	0
	0	0	0
History	11	5	6

Games since
	Main 11	Standard 5		Rapid 6		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	11	1.5	13.64	-309.1	1181.9	872.9
Standard	5	0	0	-425	1179.6	754.6
Rapid	6	1.5	25	-212.5	1183.9	971.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1121.4	1132.4	1153.5	1200
2025-09-01	1121.4	1132.4	1153.5	1200
2025-08-01	1121.4	1132.4	1153.5	1200
2025-07-01	1121.4	1132.4	1153.5	1200
2025-06-01	1121.4	1132.4	1153.5	1200
2025-05-01	1121.4	1132.4	1153.5	1200
2025-04-01	1121.4	1132.4	1153.5	1200
2025-03-01	1121.4	1132.4	1153.5	1200
2025-02-01	1121.4	1132.4	1153.5	1200
2025-01-01	1097.8	1108.6	1145.3	1200
2024-12-01	1097.8	1108.6	1145.3	1200
2024-11-01	1097.8	1108.6	1145.3	1200
2024-10-01	1097.8	1108.6	1145.3	1200
2024-09-01	1097.8	1108.6	1145.3	1200
2024-08-01	1097.8	1108.6	1145.3	1200
2024-07-01	1097.8	1108.6	1145.3	1200
2024-06-01	1097.8	1108.6	1145.3	1200
2024-08-01	1097.8	1108.6	1145.3	1200
2024-04-01	1097.8	1108.6	1145.3	1200
2024-03-01	1097.8	1108.6	1145.3	1200
2024-02-01	1172.8	1200	1145.3	1200
2024-01-01	1172.8	1200	1145.3	1200
2023-12-01	1172.8	1200	1145.3	1200
2023-11-01	1200	1200	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	District South Schools Chess Individual Trials 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Cape Town (WCT)	5	5	0	Yes	Analysis
2	Rylib Summer Slam 2023 (Development)	2023-12-12	2023-12-12	Rapid	Cape Town (WCT)	6	6	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 4	type Rapid	result 1	date 2023-12-12	rnd 5	type Rapid	result 0.5
		Opponent Mfazwe, A (Abukwa)				Opponent Madamombe, L (Liam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 4	type Rapid	result 1	date 2023-12-12	rnd 5	type Rapid	result 0.5
		Opponent Mfazwe, A (Abukwa)				Opponent Madamombe, L (Liam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 4	type Rapid	result 1	date 2023-12-12	rnd 4	type Rapid	result 1
		Opponent Mfazwe, A (Abukwa)				Opponent Mfazwe, A (Abukwa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Rylib Summer Slam 2023				Tournament Rylib Summer Slam 2023
		date 2023-12-12	rnd 4	type Rapid	result 1	date 2023-12-12	rnd 4	type Rapid	result 1
		Opponent Mfazwe, A (Abukwa)				Opponent Mfazwe, A (Abukwa)

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	Madamombe ,L (Liam)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
1	Madamombe ,L (Liam)	2	1181.9	969.4	1	1200	756.9	1	1200	1181.9	0	0	0
2	Jainoodien ,R (Raaziq)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Jainoodien ,R (Raaziq)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Barron ,D (Dorian)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Barron ,D (Dorian)	1	1155.8	730.8	1	1200	730.8	0	0	0	0	0	0
4	Willard ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Willard ,E (Ethan)	1	1178.5	753.5	1	1200	753.5	0	0	0	0	0	0
5	Esterhuizen ,S (Shia)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Esterhuizen ,S (Shia)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Matshaya ,Y (Yanga)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Matshaya ,Y (Yanga)	1	1164.1	739.1	0	0	0	1	1200	739.1	0	0	0
7	Jaftha ,M (Micah)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Jaftha ,M (Micah)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Mfazwe ,A (Abukwa)	1	1	425	0	0	0	1	1	425	0	0	0
8	Mfazwe ,A (Abukwa)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Mqokweni ,B (Bongani)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Mqokweni ,B (Bongani)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Gatyeni ,K (Khayone)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Gatyeni ,K (Khayone)	1	1139.2	714.2	0	0	0	1	1183.6	714.2	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, Z (Zachariah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms