Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, J (Johann Heinrich)

Chess SA id

1120130508

FIDE id

Date of birth

2012-01-30 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-10-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1168.5	1177.6	1165.6	1200
Raw rating	1168.5	1177.6	1165.6	1200
Weighted rating	1168.5	1177.6	1165.6	1200
Weighted performance	0	0	0	0
Floor	714.3	716.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.4	171.2	174.1	165.8
Highest rating	1281.6 2020-02-01	1278.5 2020-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1214.3 2020-03-01	1216.8 2020-03-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1214.3 2020-03-01	1216.8 2020-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1281.6 2020-02-01	1278.5 2020-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1168.5	1177.6	1165.6	1200
Analysis
Rating	1168.5	1177.6	1165.6	1200
Raw rating	1168.5	1177.6	1165.6	1200
Weighted rating	1168.5	1177.6	1165.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	714.3	716.8	700	700
Max/Min rating change allowed	173.4	171.2	174.1	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	1168.5	1177.6	1165.6	1200
New weighted rating	1168.5	1177.6	1165.6	1200
New weighted performance	0	0	0	0
Temp new rating	1168.5	1177.6	1165.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1168.5	1177.6	1165.6	1200
New K-factor	36	36	36	36
New floor	714.3	716.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	4	0	4
History	13	9	4

Games since
	Main 0	Standard 0		Rapid 0		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	13	5	38.46	-98.1	1221	1122.9
Standard	9	4	44.44	-47.2	1202.1	1154.8
Rapid	4	1	25	-212.5	1263.5	1051
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1168.5	1177.6	1165.6	1200
2025-09-01	1168.5	1177.6	1165.6	1200
2025-08-01	1168.5	1177.6	1165.6	1200
2025-07-01	1168.5	1177.6	1165.6	1200
2025-06-01	1168.5	1177.6	1165.6	1200
2025-05-01	1168.5	1177.6	1165.6	1200
2025-04-01	1168.5	1177.6	1165.6	1200
2025-03-01	1168.5	1177.6	1165.6	1200
2025-02-01	1168.5	1177.6	1165.6	1200
2025-01-01	1168.5	1177.6	1165.6	1200
2024-12-01	1168.5	1177.6	1165.6	1200
2024-11-01	1168.5	1177.6	1165.6	1200
2024-10-01	1168.5	1177.6	1165.6	1200
2024-09-01	1168.5	1177.6	1165.6	1200
2024-08-01	1168.5	1177.6	1165.6	1200
2024-07-01	1168.5	1177.6	1165.6	1200
2024-06-01	1168.5	1177.6	1165.6	1200
2024-08-01	1168.5	1177.6	1165.6	1200
2024-04-01	1168.5	1177.6	1165.6	1200
2024-03-01	1168.5	1177.6	1165.6	1200
2024-02-01	1168.5	1177.6	1165.6	1200
2024-01-01	1168.5	1177.6	1165.6	1200
2023-12-01	1168.5	1177.6	1165.6	1200
2023-11-01	1168.5	1177.6	1165.6	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	Western Cape Schools 2021 (U9 Boys)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
2	2020 Metro Trials (U9 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	4	1	Yes	Analysis
3	2020 East District Individuals (U9)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-01-31	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Maritz, B (Bionay)				Opponent Schutte, D (Daniel)
2	1	Tournament Western Cape Schools 2021				Tournament Western Cape Schools 2021
		date 2021-10-23	rnd 5	type Rapid	result 1	date 2021-10-23	rnd 5	type Rapid	result 1
		Opponent Williams, C (Claron)				Opponent Williams, C (Claron)
3	1	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 5	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Korobele, O (Olesego Kagiso)				Opponent Korobele, O (Olesego Kagiso)

#	Games	Start				End
1	3	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-01-31	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Maritz, B (Bionay)				Opponent Schutte, D (Daniel)
2	1	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 5	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Korobele, O (Olesego Kagiso)				Opponent Korobele, O (Olesego Kagiso)

#	Games	Start				End
1	1	Tournament Western Cape Schools 2021				Tournament Western Cape Schools 2021
		date 2021-10-23	rnd 5	type Rapid	result 1	date 2021-10-23	rnd 5	type Rapid	result 1
		Opponent Williams, C (Claron)				Opponent Williams, C (Claron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-01-31	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Maritz, B (Bionay)				Opponent Schutte, D (Daniel)
2	1	Tournament Western Cape Schools 2021				Tournament Western Cape Schools 2021
		date 2021-10-23	rnd 5	type Rapid	result 1	date 2021-10-23	rnd 5	type Rapid	result 1
		Opponent Williams, C (Claron)				Opponent Williams, C (Claron)
3	1	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 5	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Korobele, O (Olesego Kagiso)				Opponent Korobele, O (Olesego Kagiso)

#	Games	Start				End
1	3	Tournament 2020 East District Individuals				Tournament 2020 East District Individuals
		date 2020-01-31	rnd 1	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Maritz, B (Bionay)				Opponent Schutte, D (Daniel)
2	1	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 5	type Standard	result 1	date 2020-03-14	rnd 5	type Standard	result 1
		Opponent Korobele, O (Olesego Kagiso)				Opponent Korobele, O (Olesego Kagiso)

#	Games	Start				End
1	1	Tournament Western Cape Schools 2021				Tournament Western Cape Schools 2021
		date 2021-10-23	rnd 5	type Rapid	result 1	date 2021-10-23	rnd 5	type Rapid	result 1
		Opponent Williams, C (Claron)				Opponent Williams, C (Claron)

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	Rule ,L (Liam)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Rule ,L (Liam)	2	1284.6	859.6	1	1227.2	859.6	1	1290.3	859.6	0	0	0
2	Brey ,E (Emaad)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Brey ,E (Emaad)	2	1255.6	830.6	1	1267.2	830.6	1	1182.8	830.6	0	0	0
3	Korobele ,O (Olesego Kagiso)	1	1	425	1	1	425	0	0	0	0	0	0
3	Korobele ,O (Olesego Kagiso)	1	1157.9	1582.9	1	1133.2	1582.9	0	0	0	0	0	0
4	Lee ,S (Shakoor)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Lee ,S (Shakoor)	1	1174.2	749.2	1	1163.5	749.2	0	0	0	0	0	0
5	Jeftha ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Jeftha ,L (Liam)	1	1150.4	725.4	1	1147	725.4	0	0	0	0	0	0
6	Schutte ,D (Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Schutte ,D (Daniel)	1	1212.9	1637.9	1	1213.2	1637.9	0	0	0	0	0	0
7	Marinus-Richards ,K (Kiran Reece)	1	1	425	1	1	425	0	0	0	0	0	0
7	Marinus-Richards ,K (Kiran Reece)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Maritz ,B (Bionay)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maritz ,B (Bionay)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Brakhoff ,F (Ferris)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Brakhoff ,F (Ferris)	1	1219.9	794.9	1	1207.2	794.9	0	0	0	0	0	0
10	Punt ,H (Heinrich)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Punt ,H (Heinrich)	1	1252.4	827.4	0	0	0	1	1200	827.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Zyl, J (Johann Heinrich)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms