Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koopman, Z (Zion)

Chess SA id

1080190208

FIDE id

Date of birth

2008-01-01 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1178.9	1200	1140.5	1200
Raw rating	1178.9	1200	1140.5	1200
Weighted rating	1178.6	1200	1139.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.9	165.8	180.5	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 2024-02-01	1200 2019-12-01	1200 2024-02-01
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 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1178.9	1200	1140.5	1200
Analysis
Rating	1178.9	1200	1140.5	1200
Raw rating	1178.9	1200	1140.5	1200
Weighted rating	1178.6	1200	1139.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	170.9	165.8	180.5	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	1178.9	1200	1140.5	1200
New weighted rating	1178.7	1200	1139.7	1200
New weighted performance	0	0	0	0
Temp new rating	1178.9	1200	1140.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1178.9	1200	1140.5	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	7	7
	0	0
	0	0
History	7	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	7	1.5	21.43	-242.9	1314.4	1071.5
Standard	0	0	0	0	0	0
Rapid	7	1.5	21.43	-242.9	1314.4	1071.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1178.9	1200	1140.5	1200
2025-09-01	1178.9	1200	1140.5	1200
2025-08-01	1178.9	1200	1140.5	1200
2025-07-01	1178.9	1200	1140.5	1200
2025-06-01	1178.9	1200	1140.5	1200
2025-05-01	1178.9	1200	1140.5	1200
2025-04-01	1178.9	1200	1140.5	1200
2025-03-01	1178.9	1200	1140.5	1200
2025-02-01	1178.9	1200	1140.5	1200
2025-01-01	1178.2	1200	1138.4	1200
2024-12-01	1178.2	1200	1138.4	1200
2024-11-01	1178.2	1200	1138.4	1200
2024-10-01	1178.2	1200	1138.4	1200
2024-09-01	1178.2	1200	1138.4	1200
2024-08-01	1178.2	1200	1138.4	1200
2024-07-01	1178.2	1200	1138.4	1200
2024-06-01	1178.2	1200	1138.4	1200
2024-08-01	1178.2	1200	1138.4	1200
2024-04-01	1178.2	1200	1138.4	1200
2024-03-01	1178.2	1200	1138.4	1200
2024-02-01	1178.2	1200	1138.4	1200
2024-01-01	1178.2	1200	1138.4	1200
2023-12-01	1178.2	1200	1138.4	1200
2023-11-01	1178.2	1200	1138.4	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	CT Metro District North Top Schools Chess 2023 (U15 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	7	7	1.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 7	type Rapid	result 0.5	date 2023-07-29	rnd 7	type Rapid	result 0.5
		Opponent Kunnie, RM (Reilan Matteo)				Opponent Kunnie, RM (Reilan Matteo)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Walters, T (Terswin)				Opponent Walters, T (Terswin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 7	type Rapid	result 0.5	date 2023-07-29	rnd 7	type Rapid	result 0.5
		Opponent Kunnie, RM (Reilan Matteo)				Opponent Kunnie, RM (Reilan Matteo)
2	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Walters, T (Terswin)				Opponent Walters, T (Terswin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Walters, T (Terswin)				Opponent Walters, T (Terswin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 3	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Walters, T (Terswin)				Opponent Walters, T (Terswin)

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	Wilson ,J (James)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Wilson ,J (James)	1	1409.3	984.3	0	0	0	1	1388.6	984.3	0	0	0
2	Kunnie ,RM (Reilan Matteo)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
2	Kunnie ,RM (Reilan Matteo)	1	1175.4	1175.4	0	0	0	1	1078.1	1175.4	0	0	0
3	Mintoor ,D (Davian)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Mintoor ,D (Davian)	1	1161.1	736.1	0	0	0	1	1121.2	736.1	0	0	0
4	Walters ,T (Terswin)	1	1	425	0	0	0	1	1	425	0	0	0
4	Walters ,T (Terswin)	1	1219.5	1644.5	0	0	0	1	1200	1644.5	0	0	0
5	Qokela ,S (Siyolise Inam)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Qokela ,S (Siyolise Inam)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Solomon ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Solomon ,D (Daniel)	1	1391.8	966.8	0	0	0	1	1237.9	966.8	0	0	0
7	Degueldre ,J (Jean-Christian)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Degueldre ,J (Jean-Christian)	1	1644	1219	0	0	0	1	1382.7	1219	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Koopman, Z (Zion)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms