Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, I (Isabel)

Chess SA id

2100326608

FIDE id

Date of birth

2010-02-08 (U16)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1200.1	1197.2	1209.8	1200
Raw rating	1186.6	1165.6	1209.8	1200
Weighted rating	1200.1	1197.2	1201.5	1200
Weighted performance	0	0	0	0
Floor	714.7	699	709.8	700
K-factor	36	40	36	40
Min/Max rating change allowed	169	174.1	163.5	165.8
Highest rating	1214.7 2025-09-01	1199 2025-08-26	1209.8 2025-09-01	1199 2025-08-26
Highest raw rating	1214.7 2025-09-01	1199 2025-08-26	1209.8 2025-09-01	1199 2025-08-26
Highest weighted rating	1201.2 2025-09-01	1197.2 2025-09-30	1200.8 2025-09-01	0 2025-08-26
Highest weighted performance	0 2025-08-26	0 2025-08-26	0 2025-08-26	0 2025-08-26

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.1	-2.6	0	0
New rating	1199	1194.6	1209.8	1200
Analysis
Rating	1200.1	1197.2	1209.8	1200
Raw rating	1186.6	1165.6	1209.8	1200
Weighted rating	1200.1	1197.2	1201.5
Weighted performance	0	0	0
K-factor	36	40	36	40
Floor	714.7	699	709.8	700
Max/Min rating change allowed	169	174.1	163.5	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	1186.6	1165.6	1209.8	1200
New weighted rating	1199	1194.6	1202.2	1200
New weighted performance	0	0	0	0
Temp new rating	1199	1194.6	1209.8	1200
Temp new rating +/-	-1.1	-2.6	0	0
Final new rating +/-	-1.1	-2.6	0	0
New rating	1199	1194.6	1209.8	1200
New K-factor	36	40	36	36
New floor	714.7	699	709.8	700

Item	Main	Standard	Rapid
	0	0	0
	8	4	4
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	8	4	4

Games since
	Main 8	Standard 4		Rapid 4		Blitz 0
Gender	F
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U16	-1		-1		-1
U16 F	-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	8	3	37.5	-106.2	1276.8	1170.6
Standard	4	1	25	-212.5	1228.2	1015.7
Rapid	4	2	50	0	1325.4	1325.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	8	3	37.5	-106.2	1276.8	1170.6
Standard	4	1	25	-212.5	1228.2	1015.7
Rapid	4	2	50	0	1325.4	1325.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1186.6	1165.6	1209.8	1200
2025-09-01	1214.7	1200	1209.8	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	Western Cape Schools - Top Schools 2025 (U15 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U15-U19 Girls)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U15 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	4	1	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U15-U19 Girls)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Botha, K (Kadija)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Carinus, E (Elsje)				Opponent Carinus, E (Elsje)
3	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Sauls, A (Amerey)				Opponent Sauls, A (Amerey)

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Botha, K (Kadija)

#	Games	Start				End
1	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Carinus, E (Elsje)				Opponent Carinus, E (Elsje)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Sauls, A (Amerey)				Opponent Sauls, A (Amerey)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Botha, K (Kadija)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Carinus, E (Elsje)				Opponent Carinus, E (Elsje)
3	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Sauls, A (Amerey)				Opponent Sauls, A (Amerey)

#	Games	Start				End
1	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 3	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Botha, K (Kadija)				Opponent Botha, K (Kadija)

#	Games	Start				End
1	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Carinus, E (Elsje)				Opponent Carinus, E (Elsje)
2	1	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 2	type Rapid	result 1
		Opponent Sauls, A (Amerey)				Opponent Sauls, A (Amerey)

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	Karsten ,K (Kristen)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Karsten ,K (Kristen)	1	1199.6	774.6	1	1200	774.6	0	0	0	0	0	0
2	Botha ,K (Kadija)	1	1	425	1	1	425	0	0	0	0	0	0
2	Botha ,K (Kadija)	1	1171.4	1596.4	1	1166	1596.4	0	0	0	0	0	0
3	Makhado ,E (Esona)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Makhado ,E (Esona)	1	1233.1	808.1	1	1234.5	808.1	0	0	0	0	0	0
4	Somi ,O (Onwabe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Somi ,O (Onwabe)	1	1308.8	883.8	1	1320.1	883.8	0	0	0	0	0	0
5	Carinus ,E (Elsje)	1	1	425	0	0	0	1	1	425	0	0	0
5	Carinus ,E (Elsje)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Neethling ,A (Ashrique)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Neethling ,A (Ashrique)	1	1514.1	1089.1	0	0	0	1	1324.7	1089.1	0	0	0
7	Lodewyk ,C (Caylor)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Lodewyk ,C (Caylor)	1	1387.5	962.5	0	0	0	1	1285	962.5	0	0	0
8	Sauls ,A (Amerey)	1	1	425	0	0	0	1	1	425	0	0	0
8	Sauls ,A (Amerey)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Visser, I (Isabel)

Ratings

Game statistics

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms