Chess South Africa Ratings Database

PLAYER PAGE

Personal

Africa, Z (Zachary)

Chess SA id

1100150413

FIDE id

Date of birth

2010-08-19 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1158.4	1200	1131.6	1200
Raw rating	1158.4	1200	1131.6	1200
Weighted rating	1158.4	1200	1131.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.9	165.8	182.8	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 2024-03-01	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 2024-03-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1158.4	1200	1131.6	1200
Analysis
Rating	1158.4	1200	1131.6	1200
Raw rating	1158.4	1200	1131.6	1200
Weighted rating	1158.4	1200	1131.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.9	165.8	182.8	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	1158.4	1200	1131.6	1200
New weighted rating	1158.4	1200	1131.6	1200
New weighted performance	0	0	0	0
Temp new rating	1158.4	1200	1131.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.4	1200	1131.6	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	11	11
	0	0
	0	0
History	11	11

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	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	3.5	31.82	-154.5	1187.6	1033.1
Standard	0	0	0	0	0	0
Rapid	11	3.5	31.82	-154.5	1187.6	1033.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1158.4	1200	1131.6	1200
2025-09-01	1158.4	1200	1131.6	1200
2025-08-01	1158.4	1200	1131.6	1200
2025-07-01	1158.4	1200	1131.6	1200
2025-06-01	1158.4	1200	1131.6	1200
2025-05-01	1158.4	1200	1131.6	1200
2025-04-01	1158.4	1200	1131.6	1200
2025-03-01	1158.4	1200	1131.6	1200
2025-02-01	1158.4	1200	1131.6	1200
2025-01-01	1158.4	1200	1131.6	1200
2024-12-01	1158.4	1200	1131.6	1200
2024-11-01	1158.4	1200	1131.6	1200
2024-10-01	1158.4	1200	1131.6	1200
2024-09-01	1158.4	1200	1131.6	1200
2024-08-01	1158.4	1200	1131.6	1200
2024-07-01	1158.4	1200	1131.6	1200
2024-06-01	1158.4	1200	1131.6	1200
2024-08-01	1158.4	1200	1131.6	1200
2024-04-01	1158.4	1200	1131.6	1200
2024-03-01	1158.4	1200	1131.6	1200
2024-02-01	1158.4	1200	1131.6	1200
2024-01-01	1158.4	1200	1131.6	1200
2023-12-01	1158.4	1200	1131.6	1200
2023-11-01	1158.4	1200	1131.6	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	West Coast Primary Schools Grand Challenge League 2023 (Development)	2023-10-21	2023-10-21	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
2	Laerskool Welgemoed Rapid 2023 (U14)	2023-02-11	2023-02-11	Rapid	Cape Town (WCT)	6	6	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 2	type Rapid	result 1	date 2023-10-21	rnd 3	type Rapid	result 1
		Opponent Benton, G (Gabi)				Opponent Nolte, S (Su-Marie)
2	1	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 5	type Rapid	result 0.5	date 2023-10-21	rnd 5	type Rapid	result 0.5
		Opponent Arendse, C (Chriswill)				Opponent Arendse, C (Chriswill)
3	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent De Clerk, L (Layla)				Opponent De Clerk, L (Layla)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 2	type Rapid	result 1	date 2023-10-21	rnd 3	type Rapid	result 1
		Opponent Benton, G (Gabi)				Opponent Nolte, S (Su-Marie)
2	1	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 5	type Rapid	result 0.5	date 2023-10-21	rnd 5	type Rapid	result 0.5
		Opponent Arendse, C (Chriswill)				Opponent Arendse, C (Chriswill)
3	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent De Clerk, L (Layla)				Opponent De Clerk, L (Layla)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 2	type Rapid	result 1	date 2023-10-21	rnd 3	type Rapid	result 1
		Opponent Benton, G (Gabi)				Opponent Nolte, S (Su-Marie)
2	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent De Clerk, L (Layla)				Opponent De Clerk, L (Layla)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament West Coast Primary Schools Grand Challenge League 2023				Tournament West Coast Primary Schools Grand Challenge League 2023
		date 2023-10-21	rnd 2	type Rapid	result 1	date 2023-10-21	rnd 3	type Rapid	result 1
		Opponent Benton, G (Gabi)				Opponent Nolte, S (Su-Marie)
2	1	Tournament Laerskool Welgemoed Rapid 2023				Tournament Laerskool Welgemoed Rapid 2023
		date 2023-02-11	rnd 5	type Rapid	result 1	date 2023-02-11	rnd 5	type Rapid	result 1
		Opponent De Clerk, L (Layla)				Opponent De Clerk, L (Layla)

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	Kassey ,E (Ettiene)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Kassey ,E (Ettiene)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Sprout ,T (Tristan)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Sprout ,T (Tristan)	1	1171.2	746.2	0	0	0	1	1153.6	746.2	0	0	0
3	Arendse ,C (Chriswill)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
3	Arendse ,C (Chriswill)	1	1157	1157	0	0	0	1	1125.5	1157	0	0	0
4	Mana ,I (Ikhona)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Mana ,I (Ikhona)	1	1169	744	0	0	0	1	1156.4	744	0	0	0
5	Benton ,G (Gabi)	1	1	425	0	0	0	1	1	425	0	0	0
5	Benton ,G (Gabi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Oosthuizen ,H (Henre)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Oosthuizen ,H (Henre)	1	1166.5	741.5	0	0	0	1	1145.6	741.5	0	0	0
7	De Clerk ,L (Layla)	1	1	425	0	0	0	1	1	425	0	0	0
7	De Clerk ,L (Layla)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Baker ,A (Alex)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Baker ,A (Alex)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Nolte ,S (Su-Marie)	1	1	425	0	0	0	1	1	425	0	0	0
9	Nolte ,S (Su-Marie)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Pether ,T (Troy)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Pether ,T (Troy)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Africa, Z (Zachary)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms