Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Dyk, Z (Zackery)

Chess SA id

1120319370

FIDE id

Date of birth

2012-05-31 (U14)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1264	1214.3	1284.4	1200
Raw rating	1264	1214.3	1284.4	1200
Weighted rating	1214	1206.2	1213.2	1200
Weighted performance	0	0	0	0
Floor	764	714.3	784.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.4	162.5	147	165.8
Highest rating	1264 2025-09-01	1214.3 2025-05-05	1284.4 2025-09-01	1200 2025-05-05
Highest raw rating	1264 2025-09-01	1214.3 2025-05-05	1284.4 2025-09-01	1200 2025-05-05
Highest weighted rating	1209.3 2025-09-01	1204.3 2025-08-01	1206.8 2025-09-01	1200 2025-05-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1264	1214.3	1284.4	1200
Analysis
Rating	1264	1214.3	1284.4	1200
Raw rating	1264	1214.3	1284.4	1200
Weighted rating	1214	1206.2	1213.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	764	714.3	784.4	700
Max/Min rating change allowed	151.4	162.5	147	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	1264	1214.3	1284.4	1200
New weighted rating	1218.5	1207	1219.4	1200
New weighted performance	0	0	0	0
Temp new rating	1264	1214.3	1284.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1264	1214.3	1284.4	1200
New K-factor	36	36	36	36
New floor	764	714.3	784.4	700

Item	Main	Standard	Rapid
	0	0	0
	11	5	6
	0	0	0
	0	0	0
	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	Ekurhuleni (GE)
Province	Gauteng (GT)
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	11	8	72.73	193.2	1221	1414.2
Standard	5	3	60	85	1197.5	1282.5
Rapid	6	5	83.33	283.3	1240.6	1523.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	11	8	72.73	193.2	1221	1414.2
Standard	5	3	60	85	1197.5	1282.5
Rapid	6	5	83.33	283.3	1240.6	1523.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1264	1214.3	1284.4	1200
2025-09-01	1264	1214.3	1284.4	1200
2025-08-01	1214.7	1214.3	1200	1200
2025-07-01	1214.7	1214.3	1200	1200
2025-06-01	1214.7	1214.3	1200	1200
2025-05-01	1214.7	1214.3	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Benoni Primary School Cluster Teams 2025 (U13A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U13 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U13A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	5	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U13 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Du Plessis, D (Danie)				Opponent Van Rooyen, Z (Zani)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent De Agrella, D (Damien)				Opponent Gatsios, P (Panayiotis)
3	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Dos Remendos, G (Gino)				Opponent Dos Remendos, G (Gino)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent De Agrella, D (Damien)				Opponent Gatsios, P (Panayiotis)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Du Plessis, D (Danie)				Opponent Du Plessis, D (Danie)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Bhola, S (Sarah)				Opponent Van Rooyen, Z (Zani)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Dos Remendos, G (Gino)				Opponent Dos Remendos, G (Gino)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Du Plessis, D (Danie)				Opponent Van Rooyen, Z (Zani)
2	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent De Agrella, D (Damien)				Opponent Gatsios, P (Panayiotis)
3	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Dos Remendos, G (Gino)				Opponent Dos Remendos, G (Gino)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent De Agrella, D (Damien)				Opponent Gatsios, P (Panayiotis)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Du Plessis, D (Danie)				Opponent Du Plessis, D (Danie)

#	Games	Start				End
1	4	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 5	type Rapid	result 1
		Opponent Bhola, S (Sarah)				Opponent Van Rooyen, Z (Zani)
2	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 7	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Dos Remendos, G (Gino)				Opponent Dos Remendos, G (Gino)

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	Gatsios ,P (Panayiotis)	1	1	425	1	1	425	0	0	0	0	0	0
1	Gatsios ,P (Panayiotis)	1	1198.7	1623.7	1	1200	1623.7	0	0	0	0	0	0
2	De Agrella ,D (Damien)	1	1	425	1	1	425	0	0	0	0	0	0
2	De Agrella ,D (Damien)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Du Plessis ,D (Danie)	1	1	425	1	1	425	0	0	0	0	0	0
3	Du Plessis ,D (Danie)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Backhouse ,L (Leandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Backhouse ,L (Leandre)	1	1182.3	757.3	1	1144.4	757.3	0	0	0	0	0	0
5	Da Silva ,K (Kiano)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Da Silva ,K (Kiano)	1	1206.3	781.3	1	1170.1	781.3	0	0	0	0	0	0
6	Dos Remendos ,G (Gino)	1	1	425	0	0	0	1	1	425	0	0	0
6	Dos Remendos ,G (Gino)	1	1216.4	1641.4	0	0	0	1	1200	1641.4	0	0	0
7	Van Rooyen ,Z (Zani)	1	1	425	0	0	0	1	1	425	0	0	0
7	Van Rooyen ,Z (Zani)	1	1354.5	1779.5	0	0	0	1	1366.9	1779.5	0	0	0
8	Gous ,T (Tristan)	1	1	425	0	0	0	1	1	425	0	0	0
8	Gous ,T (Tristan)	1	1199.9	1624.9	0	0	0	1	1200	1624.9	0	0	0
9	Magana ,K (Kgopotso)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Magana ,K (Kgopotso)	1	1272.9	847.9	0	0	0	1	1257.6	847.9	0	0	0
10	Vuma ,S (Shiloh)	1	1	425	0	0	0	1	1	425	0	0	0
10	Vuma ,S (Shiloh)	1	1199.7	1624.7	0	0	0	1	1200	1624.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Dyk, Z (Zackery)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms