Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jansen, I (Iyzarah)

Chess SA id

2120146206

FIDE id

Date of birth

2012-01-27 (U14)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-01-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1071.5	1056.4	1178.8	1200
Raw rating	1071.5	1056.4	1178.8	1200
Weighted rating	1071.5	1056.4	1178.8	1200
Weighted performance	633.8	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	199.1	203.5	170.9	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 2019-12-01	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 2019-12-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1071.5	1056.4	1178.8	1200
Analysis
Rating	1071.5	1056.4	1178.8	1200
Raw rating	1071.5	1056.4	1178.8	1200
Weighted rating	1071.5	1056.4	1178.8
Weighted performance	633.8	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	199.1	203.5	170.9	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	1071.5	1056.4	1178.8	1200
New weighted rating	1071.5	1056.4	1178.8	1200
New weighted performance	633.5	0	0	0
Temp new rating	1071.5	1056.4	1178.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1071.5	1056.4	1178.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	6	0
	22	17	5
	0	0	0
History	28	23	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-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	28	7	25	-212.5	1212.6	1000.1
Standard	23	5	21.74	-240.2	1226.1	985.8
Rapid	5	2	40	-85	1150.7	1065.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1071.5	1056.4	1178.8	1200
2025-09-01	1071.5	1056.4	1178.8	1200
2025-08-01	1071.5	1056.4	1178.8	1200
2025-07-01	1071.5	1056.4	1178.8	1200
2025-06-01	1071.5	1056.4	1178.8	1200
2025-05-01	1071.5	1056.4	1178.8	1200
2025-04-01	1071.5	1056.4	1178.8	1200
2025-03-01	1071.5	1056.4	1178.8	1200
2025-02-01	1071.5	1056.4	1178.8	1200
2025-01-01	1071.5	1056.4	1178.8	1200
2024-12-01	1071.5	1056.4	1178.8	1200
2024-11-01	1071.5	1056.4	1178.8	1200
2024-10-01	1071.5	1056.4	1178.8	1200
2024-09-01	1071.5	1056.4	1178.8	1200
2024-08-01	1071.5	1056.4	1178.8	1200
2024-07-01	1071.5	1056.4	1178.8	1200
2024-06-01	1071.5	1056.4	1178.8	1200
2024-08-01	1071.5	1056.4	1178.8	1200
2024-04-01	1071.5	1056.4	1178.8	1200
2024-03-01	1071.5	1056.4	1178.8	1200
2024-02-01	1071.5	1056.4	1178.8	1200
2024-01-01	1071.5	1056.4	1178.8	1200
2023-12-01	1071.5	1056.4	1178.8	1200
2023-11-01	1071.5	1056.4	1178.8	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	Marie Delport Memorial 2023 (Ladies)	2023-01-21	2023-01-21	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	McGregor Chess December Festival 2022	2022-12-10	2022-12-10	Standard	Cape Winelands (WCW)	4	4	1	Yes	Analysis
3	Heritage Chess Open 2022	2022-10-01	2022-10-01	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
4	Western Cape Top Schools 2022 (U11 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
5	Langeberg Spring Open 2022 (B)	2022-09-03	2022-09-03	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
6	Cape Winelands Schools Top Schools 2022 (U7-U11 Mixed)	2022-08-27	2022-08-27	Standard	Cape Winelands (WCW)	6	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 5	type Standard	result 1	date 2023-01-21	rnd 6	type Standard	result 1
		Opponent Kriel, IM (Isabel Mare)				Opponent Strydom, C (Chante)
2	1	Tournament McGregor Chess December Festival 2022				Tournament McGregor Chess December Festival 2022
		date 2022-12-10	rnd 3	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Van Wyk, M (Micaile)				Opponent Van Wyk, M (Micaile)
3	1	Tournament Heritage Chess Open 2022				Tournament Heritage Chess Open 2022
		date 2022-10-01	rnd 5	type Standard	result 1	date 2022-10-01	rnd 5	type Standard	result 1
		Opponent Simons, J (Jefflin)				Opponent Simons, J (Jefflin)

#	Games	Start				End
1	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 5	type Standard	result 1	date 2023-01-21	rnd 6	type Standard	result 1
		Opponent Kriel, IM (Isabel Mare)				Opponent Strydom, C (Chante)
2	1	Tournament McGregor Chess December Festival 2022				Tournament McGregor Chess December Festival 2022
		date 2022-12-10	rnd 3	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Van Wyk, M (Micaile)				Opponent Van Wyk, M (Micaile)
3	1	Tournament Heritage Chess Open 2022				Tournament Heritage Chess Open 2022
		date 2022-10-01	rnd 5	type Standard	result 1	date 2022-10-01	rnd 5	type Standard	result 1
		Opponent Simons, J (Jefflin)				Opponent Simons, J (Jefflin)

#	Games	Start				End
1	1	Tournament Langeberg Spring Open 2022				Tournament Langeberg Spring Open 2022
		date 2022-09-03	rnd 4	type Rapid	result 1	date 2022-09-03	rnd 4	type Rapid	result 1
		Opponent Barends, M (Matthew)				Opponent Barends, M (Matthew)
2	1	Tournament Langeberg Spring Open 2022				Tournament Langeberg Spring Open 2022
		date 2022-09-03	rnd 2	type Rapid	result 1	date 2022-09-03	rnd 2	type Rapid	result 1
		Opponent Makipa, M (Michael)				Opponent Makipa, M (Michael)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 5	type Standard	result 1	date 2023-01-21	rnd 6	type Standard	result 1
		Opponent Kriel, IM (Isabel Mare)				Opponent Strydom, C (Chante)
2	1	Tournament McGregor Chess December Festival 2022				Tournament McGregor Chess December Festival 2022
		date 2022-12-10	rnd 3	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Van Wyk, M (Micaile)				Opponent Van Wyk, M (Micaile)
3	1	Tournament Heritage Chess Open 2022				Tournament Heritage Chess Open 2022
		date 2022-10-01	rnd 5	type Standard	result 1	date 2022-10-01	rnd 5	type Standard	result 1
		Opponent Simons, J (Jefflin)				Opponent Simons, J (Jefflin)

#	Games	Start				End
1	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 5	type Standard	result 1	date 2023-01-21	rnd 6	type Standard	result 1
		Opponent Kriel, IM (Isabel Mare)				Opponent Strydom, C (Chante)
2	1	Tournament McGregor Chess December Festival 2022				Tournament McGregor Chess December Festival 2022
		date 2022-12-10	rnd 3	type Standard	result 1	date 2022-12-10	rnd 3	type Standard	result 1
		Opponent Van Wyk, M (Micaile)				Opponent Van Wyk, M (Micaile)
3	1	Tournament Heritage Chess Open 2022				Tournament Heritage Chess Open 2022
		date 2022-10-01	rnd 5	type Standard	result 1	date 2022-10-01	rnd 5	type Standard	result 1
		Opponent Simons, J (Jefflin)				Opponent Simons, J (Jefflin)

#	Games	Start				End
1	1	Tournament Langeberg Spring Open 2022				Tournament Langeberg Spring Open 2022
		date 2022-09-03	rnd 4	type Rapid	result 1	date 2022-09-03	rnd 4	type Rapid	result 1
		Opponent Barends, M (Matthew)				Opponent Barends, M (Matthew)
2	1	Tournament Langeberg Spring Open 2022				Tournament Langeberg Spring Open 2022
		date 2022-09-03	rnd 2	type Rapid	result 1	date 2022-09-03	rnd 2	type Rapid	result 1
		Opponent Makipa, M (Michael)				Opponent Makipa, M (Michael)

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	Van Der Westhuizen ,L (Linli)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Van Der Westhuizen ,L (Linli)	2	1205.5	780.5	2	1203.7	780.5	0	0	0	0	0	0
2	Fihla ,E (Esethu)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Fihla ,E (Esethu)	1	1116	691	1	1140	691	0	0	0	0	0	0
3	Terblanche ,S (Stefan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Terblanche ,S (Stefan)	1	1202.1	777.1	1	1190.4	777.1	0	0	0	0	0	0
4	Kriel ,IM (Isabel Mare)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kriel ,IM (Isabel Mare)	1	996.2	1421.2	1	985.2	1421.2	0	0	0	0	0	0
5	Oostendorff ,J (Juandre Keith)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Oostendorff ,J (Juandre Keith)	1	1253.8	828.8	1	1260	828.8	0	0	0	0	0	0
6	Schoeman ,M (Mischke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Schoeman ,M (Mischke)	1	1386.6	961.6	1	1290	961.6	0	0	0	0	0	0
7	Geel ,M (Matthew)	1	1	425	1	1	425	0	0	0	0	0	0
7	Geel ,M (Matthew)	1	1113.5	1538.5	1	1133.2	1538.5	0	0	0	0	0	0
8	Lirafu ,S (Siyambonga)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Lirafu ,S (Siyambonga)	1	1467.5	1042.5	1	1305.3	1042.5	0	0	0	0	0	0
9	Webb ,A (Amori)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Webb ,A (Amori)	1	1116.1	691.1	1	1101.6	691.1	0	0	0	0	0	0
10	Kleinpenning ,A (Aiden)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Kleinpenning ,A (Aiden)	1	1136.8	711.8	1	1103.2	711.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jansen, I (Iyzarah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms