Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, I (Izak)

Chess SA id

1120149762

FIDE id

Date of birth

2012-06-07 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1203.7	1191.8	1216.1	1200
Raw rating	1203.7	1191.8	1216.1	1200
Weighted rating	1195.7	1191.5	1202.5	1200
Weighted performance	0	0	0	0
Floor	716.6	718.8	716.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.9	167.8	162.1	165.8
Highest rating	1286.1 2023-02-01	1281.3 2023-02-01	1216.1 2025-09-01	1200 2018-10-01
Highest raw rating	1216.6 2023-03-01	1218.8 2023-03-01	1216.1 2025-09-01	1200 2024-03-01
Highest weighted rating	1216.6 2023-03-01	1218.8 2023-03-01	1201.3 2025-09-01	1200 2018-10-01
Highest weighted performance	1286.1 2023-02-01	1281.3 2023-02-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1203.7	1191.8	1216.1	1200
Analysis
Rating	1203.7	1191.8	1216.1	1200
Raw rating	1203.7	1191.8	1216.1	1200
Weighted rating	1195.7	1191.5	1202.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	716.6	718.8	716.1	700
Max/Min rating change allowed	164.9	167.8	162.1	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	1203.7	1191.8	1216.1	1200
New weighted rating	1196.4	1191.5	1203.7	1200
New weighted performance	0	0	0	0
Temp new rating	1203.7	1191.8	1216.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1203.7	1191.8	1216.1	1200
New K-factor	36	36	36	36
New floor	716.6	718.8	716.1	700

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

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	10	5.5	55	42.5	1187.2	1229.8
Standard	5	2.5	50	0	1187.1	1187.1
Rapid	5	3	60	85	1187.4	1272.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	10	50	0	1209.1	1209.1
Standard	15	7	46.67	-28.3	1216.3	1188
Rapid	5	3	60	85	1187.4	1272.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1203.7	1191.8	1216.1	1200
2025-09-01	1203.7	1191.8	1216.1	1200
2025-08-01	1194.2	1191.8	1200	1200
2025-07-01	1194.2	1191.8	1200	1200
2025-06-01	1194.2	1191.8	1200	1200
2025-05-01	1194.2	1191.8	1200	1200
2025-04-01	1194.2	1191.8	1200	1200
2025-03-01	1194.2	1191.8	1200	1200
2025-02-01	1194.2	1191.1	1200	1200
2025-01-01	1194.2	1191.1	1200	1200
2024-12-01	1194.2	1191.1	1200	1200
2024-11-01	1194.2	1191.1	1200	1200
2024-10-01	1194.2	1191.1	1200	1200
2024-09-01	1194.2	1191.1	1200	1200
2024-08-01	1194.2	1191.1	1200	1200
2024-07-01	1194.2	1191.1	1200	1200
2024-06-01	1194.2	1191.1	1200	1200
2024-08-01	1194.2	1191.1	1200	1200
2024-04-01	1194.2	1191.1	1200	1200
2024-03-01	1194.2	1191.1	1200	1200
2024-02-01	1194.2	1191.1	1200	1200
2024-01-01	1194.2	1191.1	1200	1200
2023-12-01	1194.2	1191.1	1200	1200
2023-11-01	1194.2	1191.1	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	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	5	3	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2.5	Yes	Analysis
3	Cape Winelands Schools Prestige 2023 (U11 Boys)	2023-03-11	2023-03-11	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
4	Cape Winelands Schools Chess - Trials 1 2023 (U11 Boys)	2023-02-18	2023-02-18	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	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 4	type Rapid	result 1
		Opponent Coetzee, L (Leon)				Opponent Segals, K (Kenzo)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 0.5
		Opponent Bergstedt, G (Grayson)				Opponent Erens, E (Ethan)
3	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Duncan, D (Dylan)				Opponent Duncan, D (Dylan)

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 0.5
		Opponent Bergstedt, G (Grayson)				Opponent Erens, E (Ethan)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Duncan, D (Dylan)				Opponent Duncan, D (Dylan)
3	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 5	type Standard	result 0.5	date 2023-03-11	rnd 5	type Standard	result 0.5
		Opponent Amsterdam, J (Jodan)				Opponent Amsterdam, J (Jodan)

#	Games	Start				End
1	3	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 4	type Rapid	result 1
		Opponent Coetzee, L (Leon)				Opponent Segals, K (Kenzo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	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 4	type Rapid	result 1
		Opponent Coetzee, L (Leon)				Opponent Segals, K (Kenzo)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Bergstedt, G (Grayson)				Opponent Bergstedt, G (Grayson)
3	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Duncan, D (Dylan)				Opponent Duncan, D (Dylan)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-02-22	rnd 4	type Standard	result 1
		Opponent Bergstedt, G (Grayson)				Opponent Bergstedt, G (Grayson)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 2	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Duncan, D (Dylan)				Opponent Duncan, D (Dylan)
3	1	Tournament Cape Winelands Schools Prestige 2023				Tournament Cape Winelands Schools Prestige 2023
		date 2023-03-11	rnd 3	type Standard	result 1	date 2023-03-11	rnd 3	type Standard	result 1
		Opponent Jansen, M (Marloe)				Opponent Jansen, M (Marloe)

#	Games	Start				End
1	3	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 4	type Rapid	result 1
		Opponent Coetzee, L (Leon)				Opponent Segals, K (Kenzo)

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	Milhomem ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Milhomem ,D (Daniel)	1	1259	834	1	1217.1	834	0	0	0	0	0	0
2	King ,C (Carlisle)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	King ,C (Carlisle)	1	1226.9	801.9	1	1232	801.9	0	0	0	0	0	0
3	De Kock ,C (Christiaan)	1	1	425	1	1	425	0	0	0	0	0	0
3	De Kock ,C (Christiaan)	1	1168.8	1593.8	1	1200	1593.8	0	0	0	0	0	0
4	Amsterdam ,J (Jodan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Amsterdam ,J (Jodan)	1	1183.4	1183.4	1	1198	1183.4	0	0	0	0	0	0
5	Koert ,D (Dane)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Koert ,D (Dane)	1	1419.5	994.5	1	1414.3	994.5	0	0	0	0	0	0
6	Erens ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Erens ,E (Ethan)	1	1135.7	1135.7	1	1136	1135.7	0	0	0	0	0	0
7	Kuypers ,P (Parker)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kuypers ,P (Parker)	1	1219.9	794.9	1	1200	794.9	0	0	0	0	0	0
8	Abrahams ,F (Frielano)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Abrahams ,F (Frielano)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Els ,J (Josua)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Els ,J (Josua)	1	1179.9	754.9	1	1144.4	754.9	0	0	0	0	0	0
10	Jansen ,M (Marloe)	1	1	425	1	1	425	0	0	0	0	0	0
10	Jansen ,M (Marloe)	1	1252.1	1677.1	1	1259.3	1677.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Visser, I (Izak)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms