Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Beer, Z (Zack Frederick)

Chess SA id

1070324360

FIDE id

Date of birth

2007-08-07 (U20)

Gender

Male

Region

Bojanala Platina (NBR)

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	1236.8	1200	1193.4	1200
Raw rating	1236.8	1200	1157.6	1200
Weighted rating	1205.8	1200	1193.4	1200
Weighted performance	0	0	0	0
Floor	736.8	700	699.9	700
K-factor	36	40	40	40
Min/Max rating change allowed	157.3	165.8	176.1	165.8
Highest rating	1236.8 2025-09-01	1199.9 2025-08-05	1199.9 2025-08-05	1199.9 2025-08-05
Highest raw rating	1236.8 2025-09-01	1199.9 2025-08-05	1199.9 2025-08-05	1199.9 2025-08-05
Highest weighted rating	1202.9 2025-09-01	1199.9 2025-08-05	1199.9 2025-08-05	1199.9 2025-08-05
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	-3.1	0
New rating	1236.8	1200	1190.2	1200
Analysis
Rating	1236.8	1200	1193.4	1200
Raw rating	1236.8	1200	1157.6	1200
Weighted rating	1205.8	1200	1193.4
Weighted performance	0	0	0
K-factor	36	40	40	40
Floor	736.8	700	699.9	700
Max/Min rating change allowed	157.3	165.8	176.1	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	1236.8	1200	1157.6	1200
New weighted rating	1208.5	1200	1190.2	1200
New weighted performance	0	0	0	0
Temp new rating	1236.8	1200	1190.2	1200
Temp new rating +/-	0	0	-3.1	0
Final new rating +/-	0	0	-3.1	0
New rating	1236.8	1200	1190.2	1200
New K-factor	36	36	40	36
New floor	736.8	700	699.9	700

Item	Main	Rapid
	0	0
	5	5
	0	0
	0	0
	0	0
	0	0
History	5	5

Games since
	Main 5	Standard 0		Rapid 5		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	5	2	40	-85	1545.9	1460.9
Standard	0	0	0	0	0	0
Rapid	5	2	40	-85	1545.9	1460.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	5	2	40	-85	1545.9	1460.9
Standard	0	0	0	0	0	0
Rapid	5	2	40	-85	1545.9	1460.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1236.8	1200	1157.6	1200
2025-09-01	1236.8	1200	1157.6	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	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	Bojanala's Clash Of Schools 2025 (Championship Open)	2025-08-02	2025-08-02	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Clash Of Schools 2025 (Championship Open)	2025-08-02	2025-08-02	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Motshegare, K (Kopano)				Opponent Masilela, K (Khetho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Motshegare, K (Kopano)				Opponent Masilela, K (Khetho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Motshegare, K (Kopano)				Opponent Masilela, K (Khetho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Bojanala's Clash Of Schools 2025				Tournament Bojanala's Clash Of Schools 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Motshegare, K (Kopano)				Opponent Masilela, K (Khetho)

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	Motshegare ,K (Kopano)	1	1	425	0	0	0	1	1	425	0	0	0
1	Motshegare ,K (Kopano)	1	1284.5	1709.5	0	0	0	1	1081.7	1709.5	0	0	0
2	Masilela ,K (Khetho)	1	1	425	0	0	0	1	1	425	0	0	0
2	Masilela ,K (Khetho)	1	1456.8	1881.8	0	0	0	1	893.4	1881.8	0	0	0
3	Changara ,A (Adrian Tafara)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Changara ,A (Adrian Tafara)	1	1647.5	1222.5	0	0	0	1	1176.2	1222.5	0	0	0
4	Byliefeldt ,L (Leroux)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Byliefeldt ,L (Leroux)	1	1740.5	1315.5	0	0	0	1	1005.7	1315.5	0	0	0
5	Bantseke ,B (Boikanyo)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Bantseke ,B (Boikanyo)	1	1600.1	1175.1	0	0	0	1	1325.6	1175.1	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

De Beer, Z (Zack Frederick)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms