Chess South Africa Ratings Database

PLAYER PAGE

Personal

Williams, I (Ivan)

Chess SA id

1070100545

FIDE id

Date of birth

2007-02-12 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1091.1	1086.8	1139.2	1081.2
Raw rating	1091.1	1086.8	1139.2	1081.2
Weighted rating	1091.1	1086.8	1139.2	1081.2
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	193.6	194.8	180.8	196.4
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1091.1	1086.8	1139.2	1081.2
Analysis
Rating	1091.1	1086.8	1139.2	1081.2
Raw rating	1091.1	1086.8	1139.2	1081.2
Weighted rating	1091.1	1086.8	1139.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	193.6	194.8	180.8	196.4
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	1091.1	1086.8	1139.2	1081.2
New weighted rating	1091.1	1086.8	1139.2	1081.2
New weighted performance	0	0	0	0
Temp new rating	1091.1	1086.8	1139.2	1081.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1091.1	1086.8	1139.2	1081.2
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	31	15	5	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	31	11	35.48	-123.4	1103.7	980.3
Standard	15	6	40	-85	1085.2	1000.2
Rapid	5	2	40	-85	1068.5	983.5
Blitz	11	3	27.27	-193.2	1145	951.8

Date	Main	Standard	Rapid	Blitz
2025-11-01	1091.1	1086.8	1139.2	1081.2
2025-09-30	1091.1	1086.8	1139.2	1081.2
2025-09-01	1091.1	1086.8	1139.2	1081.2
2025-08-01	1091.1	1086.8	1139.2	1081.2
2025-07-01	1091.1	1086.8	1139.2	1081.2
2025-06-01	1091.1	1086.8	1139.2	1081.2
2025-05-01	1091.1	1086.8	1139.2	1081.2
2025-04-01	1091.1	1086.8	1139.2	1081.2
2025-03-01	1091.1	1086.8	1139.2	1081.2
2025-02-01	1091.1	1086.8	1139.2	1081.2
2025-01-01	1091.1	1086.8	1139.2	1081.2
2024-12-01	1091.1	1086.8	1139.2	1081.2
2024-11-01	1091.1	1086.8	1139.2	1081.2
2024-10-01	1091.1	1086.8	1139.2	1081.2
2024-09-01	1091.1	1086.8	1139.2	1081.2
2024-08-01	1091.1	1086.8	1139.2	1081.2
2024-07-01	1091.1	1086.8	1139.2	1081.2
2024-09-01	1091.1	1086.8	1139.2	1081.2
2024-05-01	1091.1	1086.8	1139.2	1081.2
2024-04-01	1091.1	1086.8	1139.2	1081.2
2024-03-01	1091.1	1086.8	1139.2	1081.2
2024-02-01	1091.1	1086.8	1139.2	1081.2
2024-01-01	1091.1	1086.8	1139.2	1081.2
2023-12-01	1091.1	1086.8	1139.2	1081.2

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	Onder Weskus Prestige 2020 (U13 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	4	1	Yes	Analysis
2	West Coast Club Champs 2019 (B)	2019-09-13	2019-09-14	Standard	West Coast (WCU)	7	1	0	Yes	Analysis
3	West Coast Open 2019 (C)	2019-04-27	2019-04-27	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
4	Onder-Weskus Skole Proewe 2019 (O13 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	7	5	2	Yes	Analysis
5	Woman`s Month Blitz Tournament 2018 (U10+U12)	2018-08-11	2018-08-11	Blitz	West Coast (WCU)	5	4	1	Yes	Analysis
6	Basil Ellman Tournament 2018 (U10+U12)	2018-06-16	2018-06-16	Rapid	West Coast (WCU)	5	0	0	No	Analysis
7	West Coast Open 2018 (C)	2018-04-28	2018-04-28	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
8	Freedom Day Blitz 2018 (Men)	2018-04-27	2018-04-27	Blitz	West Coast (WCU)	7	7	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Louw, H (Hentie)				Opponent Karolus, D (Durin)
2	2	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 4	type Blitz	result 1	date 2018-04-27	rnd 5	type Blitz	result 1
		Opponent Brandt, A (Ashwin)				Opponent Godola, B (Bumnandi)
3	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Smith, L (Lorenzeano)				Opponent Smith, L (Lorenzeano)

#	Games	Start				End
1	2	Tournament West Coast Open 2018				Tournament West Coast Open 2019
		date 2018-04-28	rnd 5	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Hoofdt, N (Nikyle)				Opponent Lu, DTX (Daniel Ting Xu)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Smith, L (Lorenzeano)				Opponent Smith, L (Lorenzeano)
3	1	Tournament West Coast Open 2019				Tournament West Coast Open 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Collair, H (Houston)				Opponent Collair, H (Houston)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Louw, H (Hentie)				Opponent Karolus, D (Durin)

#	Games	Start				End
1	2	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 4	type Blitz	result 1	date 2018-04-27	rnd 5	type Blitz	result 1
		Opponent Brandt, A (Ashwin)				Opponent Godola, B (Bumnandi)
2	1	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 4	type Blitz	result 1	date 2018-08-11	rnd 4	type Blitz	result 1
		Opponent De Klerk, J (Jason)				Opponent De Klerk, J (Jason)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Louw, H (Hentie)				Opponent Karolus, D (Durin)
2	2	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 4	type Blitz	result 1	date 2018-04-27	rnd 5	type Blitz	result 1
		Opponent Brandt, A (Ashwin)				Opponent Godola, B (Bumnandi)
3	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Smith, L (Lorenzeano)				Opponent Smith, L (Lorenzeano)

#	Games	Start				End
1	2	Tournament West Coast Open 2018				Tournament West Coast Open 2019
		date 2018-04-28	rnd 5	type Standard	result 1	date 2019-04-27	rnd 1	type Standard	result 1
		Opponent Hoofdt, N (Nikyle)				Opponent Lu, DTX (Daniel Ting Xu)
2	1	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Smith, L (Lorenzeano)				Opponent Smith, L (Lorenzeano)
3	1	Tournament West Coast Open 2019				Tournament West Coast Open 2019
		date 2019-04-27	rnd 5	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Collair, H (Houston)				Opponent Collair, H (Houston)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-16	rnd 1	type Rapid	result 1	date 2019-02-16	rnd 2	type Rapid	result 1
		Opponent Louw, H (Hentie)				Opponent Karolus, D (Durin)

#	Games	Start				End
1	2	Tournament Freedom Day Blitz 2018				Tournament Freedom Day Blitz 2018
		date 2018-04-27	rnd 4	type Blitz	result 1	date 2018-04-27	rnd 5	type Blitz	result 1
		Opponent Brandt, A (Ashwin)				Opponent Godola, B (Bumnandi)
2	1	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 4	type Blitz	result 1	date 2018-08-11	rnd 4	type Blitz	result 1
		Opponent De Klerk, J (Jason)				Opponent De Klerk, J (Jason)

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	Duiker ,P (Phillip)	2	0	-425	0	0	0	0	0	0	2	0	-425
1	Duiker ,P (Phillip)	2	1181.8	756.8	0	0	0	0	0	0	2	1203	756.8
2	De Klerk ,J (Jason)	2	1	0	0	0	0	0	0	0	2	1	0
2	De Klerk ,J (Jason)	2	1238	1238	0	0	0	0	0	0	2	1169.8	1238
3	Titus ,D (Dominique)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Titus ,D (Dominique)	1	1481.1	1056.1	1	1436.5	1056.1	0	0	0	0	0	0
4	Ellman ,E (Elle-Marie)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ellman ,E (Elle-Marie)	1	1149	724	1	1124.8	724	0	0	0	0	0	0
5	Voster ,W (Waldo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Voster ,W (Waldo)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Collair ,H (Houston)	1	1	425	1	1	425	0	0	0	0	0	0
6	Collair ,H (Houston)	1	1228.5	1653.5	1	1240	1653.5	0	0	0	0	0	0
7	Theron ,M (Martin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Theron ,M (Martin)	1	1136.6	711.6	1	1122.8	711.6	0	0	0	0	0	0
8	Gelant ,R (Rozaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gelant ,R (Rozaan)	1	1155.8	730.8	1	1123.6	730.8	0	0	0	0	0	0
9	Hoofdt ,N (Nikyle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Hoofdt ,N (Nikyle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Nqoloba ,Z (Zimi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Nqoloba ,Z (Zimi)	1	513.5	938.5	1	500	938.5	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

Williams, I (Ivan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms