Chess South Africa Ratings Database

PLAYER PAGE

Personal

Kotze, I (Izak)

Chess SA id

105016327

FIDE id

Date of birth

2005-06-28 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	794.3	768.2	713.8	635
Raw rating	794.3	768.2	713.8	635
Weighted rating	794.3	768.2	713.8	635
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	295.6	306.8	331.5	370.9
Highest rating	1218.5 2023-02-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	794.3 2024-02-01	768.2 2024-02-01	713.8 2024-02-01	635 2024-02-01
Highest weighted rating	794.3 2024-11-01	768.2 2024-11-01	713.8 2024-11-01	635 2024-11-01
Highest weighted performance	1218.5 2023-02-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	794.3	768.2	713.8	635
Analysis
Rating	794.3	768.2	713.8	635
Raw rating	794.3	768.2	713.8	635
Weighted rating	794.3	768.2	713.8
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	295.6	306.8	331.5	370.9
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	794.3	768.2	713.8	635
New weighted rating	794.3	768.2	713.8	635
New weighted performance	0	0	0	0
Temp new rating	794.3	768.2	713.8	635
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	794.3	768.2	713.8	635
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	15	10	5
	0	0	0
	0	0	0
History	20	15	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	15	5.5	36.67	-113.3	1195.3	1082
Standard	10	3.5	35	-127.5	1199.3	1071.8
Rapid	5	2	40	-85	1187.3	1102.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	794.3	768.2	713.8	635
2025-09-01	794.3	768.2	713.8	635
2025-08-01	794.3	768.2	713.8	635
2025-07-01	794.3	768.2	713.8	635
2025-06-01	794.3	768.2	713.8	635
2025-05-01	794.3	768.2	713.8	635
2025-04-01	794.3	768.2	713.8	635
2025-03-01	794.3	768.2	713.8	635
2025-02-01	794.3	768.2	713.8	635
2025-01-01	794.3	768.2	713.8	635
2024-12-01	794.3	768.2	713.8	635
2024-11-01	794.3	768.2	713.8	635
2024-10-01	794.3	768.2	713.8	635
2024-09-01	794.3	768.2	713.8	635
2024-08-01	794.3	768.2	713.8	635
2024-07-01	794.3	768.2	713.8	635
2024-06-01	794.3	768.2	713.8	635
2024-08-01	794.3	768.2	713.8	635
2024-04-01	794.3	768.2	713.8	635
2024-03-01	794.3	768.2	713.8	635
2024-02-01	794.3	768.2	713.8	635
2024-01-01	794.3	768.2	713.8	635
2023-12-01	794.3	768.2	713.8	635
2023-11-01	794.3	768.2	713.8	635

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	CW Top Schools 2023 (U18 Mix)	2023-08-26	2023-08-26	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
2	Cape Winelands Schools Prestige 2023 (U19 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
3	Cape Winelands Schools Chess - Trials 1 2023 (U19 Boys)	2023-02-25	2023-02-25	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 0.5	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Jaeger, D (Daniel)				Opponent Liebenberg, D (Dewald)
2	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Pieters, J (Jd)
3	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 1	type Rapid	result 0.5	date 2023-08-26	rnd 1	type Rapid	result 0.5
		Opponent Mostert, M (Mikhail)				Opponent Mostert, M (Mikhail)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Pieters, J (Jd)
2	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Williams, Z (Zinan)				Opponent Williams, Z (Zinan)
3	1	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 5	type Standard	result 0.5	date 2023-02-25	rnd 5	type Standard	result 0.5
		Opponent Waite, S (Sebastian)				Opponent Waite, S (Sebastian)

#	Games	Start				End
1	2	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 3	type Rapid	result 0.5	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Jaeger, D (Daniel)				Opponent Liebenberg, D (Dewald)
2	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 1	type Rapid	result 0.5	date 2023-08-26	rnd 1	type Rapid	result 0.5
		Opponent Mostert, M (Mikhail)				Opponent Mostert, M (Mikhail)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Pieters, J (Jd)
2	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Liebenberg, D (Dewald)				Opponent Liebenberg, D (Dewald)
3	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Williams, Z (Zinan)				Opponent Williams, Z (Zinan)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools Chess - Trials 1 2023				Tournament Cape Winelands Schools Chess - Trials 1 2023
		date 2023-02-25	rnd 2	type Standard	result 1	date 2023-02-25	rnd 3	type Standard	result 1
		Opponent Geel, R (Ruan)				Opponent Pieters, J (Jd)
2	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 2	type Standard	result 1
		Opponent Williams, Z (Zinan)				Opponent Williams, Z (Zinan)

#	Games	Start				End
1	1	Tournament CW Top Schools 2023				Tournament CW Top Schools 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 4	type Rapid	result 1
		Opponent Liebenberg, D (Dewald)				Opponent Liebenberg, D (Dewald)

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	Waite ,S (Sebastian)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Waite ,S (Sebastian)	2	1130.3	917.8	2	1101	917.8	0	0	0	0	0	0
2	Van Der Westhuizen ,D (Dawid)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Der Westhuizen ,D (Dawid)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Coetsee ,JE (Johan Emile)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Coetsee ,JE (Johan Emile)	1	1308.5	883.5	1	1221.1	883.5	0	0	0	0	0	0
4	February ,B (Benjamim)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	February ,B (Benjamim)	1	1171.3	746.3	1	1204	746.3	0	0	0	0	0	0
5	Pieterse ,W (William)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Pieterse ,W (William)	1	1233.2	808.2	1	1241.2	808.2	0	0	0	0	0	0
6	Pienaar ,E (Eduardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Pienaar ,E (Eduardt)	1	1217.6	792.6	1	1188	792.6	0	0	0	0	0	0
7	Williams ,Z (Zinan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Williams ,Z (Zinan)	1	1201.5	1626.5	1	1216.8	1626.5	0	0	0	0	0	0
8	Geel ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Geel ,R (Ruan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Pieters ,J (Jd)	1	1	425	1	1	425	0	0	0	0	0	0
9	Pieters ,J (Jd)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Appels ,C (Charlton-John)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Appels ,C (Charlton-John)	1	1177	752	0	0	0	1	1200	752	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Kotze, I (Izak)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms