Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, I (Ivan)

Chess SA id

109094985

FIDE id

Date of birth

2009-08-06 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1222.4	1213	1194.4	1200
Raw rating	1222.4	1213	1194.4	1200
Weighted rating	1222.4	1213	1194.4	1200
Weighted performance	0	0	0	0
Floor	733.1	729.2	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.6	162.8	167.1	165.8
Highest rating	1305.5 2022-04-01	1343.5 2022-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1233.1 2022-05-01	1229.2 2022-05-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1233.1 2024-04-01	1229.2 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1305.5 2022-04-01	1343.5 2022-04-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1222.4	1213	1194.4	1200
Analysis
Rating	1222.4	1213	1194.4	1200
Raw rating	1222.4	1213	1194.4	1200
Weighted rating	1222.4	1213	1194.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	733.1	729.2	700	700
Max/Min rating change allowed	160.6	162.8	167.1	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	1222.4	1213	1194.4	1200
New weighted rating	1222.4	1213	1194.4	1200
New weighted performance	0	0	0	0
Temp new rating	1222.4	1213	1194.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1222.4	1213	1194.4	1200
New K-factor	36	36	36	36
New floor	733.1	729.2	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	16	11	5
	0	0	0
History	16	11	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	16	7.5	46.88	-26.6	1277.9	1251.3
Standard	11	5	45.45	-38.6	1320.7	1282.1
Rapid	5	2.5	50	0	1183.6	1183.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1222.4	1213	1194.4	1200
2025-09-01	1222.4	1213	1194.4	1200
2025-08-01	1222.4	1213	1194.4	1200
2025-07-01	1222.4	1213	1194.4	1200
2025-06-01	1222.4	1213	1194.4	1200
2025-05-01	1222.4	1213	1194.4	1200
2025-04-01	1222.4	1213	1194.4	1200
2025-03-01	1222.4	1213	1194.4	1200
2025-02-01	1222.4	1213	1194.4	1200
2025-01-01	1222.4	1213	1194.4	1200
2024-12-01	1222.4	1213	1194.4	1200
2024-11-01	1222.4	1213	1194.4	1200
2024-10-01	1222.4	1213	1194.4	1200
2024-09-01	1222.4	1213	1194.4	1200
2024-08-01	1222.4	1213	1194.4	1200
2024-07-01	1222.4	1213	1194.4	1200
2024-06-01	1222.4	1213	1194.4	1200
2024-08-01	1222.4	1213	1194.4	1200
2024-04-01	1222.4	1213	1194.4	1200
2024-03-01	1222.4	1213	1194.4	1200
2024-02-01	1222.4	1213	1194.4	1200
2024-01-01	1222.4	1213	1194.4	1200
2023-12-01	1222.4	1213	1194.4	1200
2023-11-01	1222.4	1213	1194.4	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	Western Cape Schools 2022 (U13 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
2	Metro WP Schools Chess Trials 2022 (U13 Boys)	2022-04-22	2022-04-23	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
3	2022 Central District Individual Trials (U13)	2022-03-05	2022-03-05	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-22	rnd 2	type Standard	result 1	date 2022-04-23	rnd 4	type Standard	result 1
		Opponent Van Wyk, W (Will)				Opponent Roux, J (Jarrod)
2	2	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 3	type Rapid	result 0.5	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Jawoodien, A (Aziz)				Opponent Toefy, Z (Zaeem)
3	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Liebenberg, M (Malan)				Opponent Liebenberg, M (Malan)

#	Games	Start				End
1	2	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-22	rnd 2	type Standard	result 1	date 2022-04-23	rnd 4	type Standard	result 1
		Opponent Van Wyk, W (Will)				Opponent Roux, J (Jarrod)
2	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Liebenberg, M (Malan)				Opponent Liebenberg, M (Malan)
3	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Botha, D (Derick)				Opponent Botha, D (Derick)

#	Games	Start				End
1	2	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 3	type Rapid	result 0.5	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Jawoodien, A (Aziz)				Opponent Toefy, Z (Zaeem)
2	1	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 1	type Rapid	result 1
		Opponent Mohammed, Z (Zayaan)				Opponent Mohammed, Z (Zayaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-22	rnd 2	type Standard	result 1	date 2022-04-23	rnd 4	type Standard	result 1
		Opponent Van Wyk, W (Will)				Opponent Roux, J (Jarrod)
2	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Liebenberg, M (Malan)				Opponent Liebenberg, M (Malan)
3	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Botha, D (Derick)				Opponent Botha, D (Derick)

#	Games	Start				End
1	2	Tournament Metro WP Schools Chess Trials 2022				Tournament Metro WP Schools Chess Trials 2022
		date 2022-04-22	rnd 2	type Standard	result 1	date 2022-04-23	rnd 4	type Standard	result 1
		Opponent Van Wyk, W (Will)				Opponent Roux, J (Jarrod)
2	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 4	type Standard	result 1	date 2022-05-28	rnd 4	type Standard	result 1
		Opponent Liebenberg, M (Malan)				Opponent Liebenberg, M (Malan)
3	1	Tournament Western Cape Schools 2022				Tournament Western Cape Schools 2022
		date 2022-05-28	rnd 2	type Standard	result 1	date 2022-05-28	rnd 2	type Standard	result 1
		Opponent Botha, D (Derick)				Opponent Botha, D (Derick)

#	Games	Start				End
1	1	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 4	type Rapid	result 1	date 2022-03-05	rnd 4	type Rapid	result 1
		Opponent Toefy, Z (Zaeem)				Opponent Toefy, Z (Zaeem)
2	1	Tournament 2022 Central District Individual Trials				Tournament 2022 Central District Individual Trials
		date 2022-03-05	rnd 1	type Rapid	result 1	date 2022-03-05	rnd 1	type Rapid	result 1
		Opponent Mohammed, Z (Zayaan)				Opponent Mohammed, Z (Zayaan)

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 Wyk ,W (Will)	1	1	425	1	1	425	0	0	0	0	0	0
1	Van Wyk ,W (Will)	1	1207.6	1632.6	1	1172.8	1632.6	0	0	0	0	0	0
2	Botha ,D (Derick)	1	1	425	1	1	425	0	0	0	0	0	0
2	Botha ,D (Derick)	1	1246.8	1671.8	1	1182.4	1671.8	0	0	0	0	0	0
3	Roux ,J (Jarrod)	1	1	425	1	1	425	0	0	0	0	0	0
3	Roux ,J (Jarrod)	1	1340.4	1765.4	1	1287	1765.4	0	0	0	0	0	0
4	Willis ,C (Cronan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Willis ,C (Cronan)	1	1397.5	972.5	1	1318.5	972.5	0	0	0	0	0	0
5	Meyer ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Meyer ,M (Matthew)	1	1340.4	915.4	1	1234.9	915.4	0	0	0	0	0	0
6	Bosman ,L (Louis Willem)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bosman ,L (Louis Willem)	1	1358.6	933.6	1	1342.9	933.6	0	0	0	0	0	0
7	Liebenberg ,M (Malan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Liebenberg ,M (Malan)	1	1183.7	1608.7	1	1189.6	1608.7	0	0	0	0	0	0
8	Rule ,C (Calem)	1	1	425	1	1	425	0	0	0	0	0	0
8	Rule ,C (Calem)	1	1281.5	1706.5	1	1204.7	1706.5	0	0	0	0	0	0
9	Arendse ,M (Mervin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Arendse ,M (Mervin)	1	1247.4	822.4	1	1269.2	822.4	0	0	0	0	0	0
10	Claassen ,R (Raynier)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Claassen ,R (Raynier)	1	1662.2	1237.2	1	1664.2	1237.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Personal

Du Plessis, 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