Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, J (Jac)

Chess SA id

109086417

FIDE id

Date of birth

2009-11-16 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-02-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	922.9	955	721	721
Raw rating	922.9	955	721	721
Weighted rating	922.9	955	721	721
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	246.1	235.1	328.1	328.1
Highest rating	1498.2 2018-01-01	1498.2 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	922.9 2024-02-01	955 2024-02-01	721 2024-02-01	721 2024-02-01
Highest weighted rating	922.9 2024-11-01	955 2024-11-01	721 2024-11-01	721 2024-11-01
Highest weighted performance	1498.2 2018-01-01	1498.2 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	922.9	955	721	721
Analysis
Rating	922.9	955	721	721
Raw rating	922.9	955	721	721
Weighted rating	922.9	955	721
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	246.1	235.1	328.1	328.1
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	922.9	955	721	721
New weighted rating	922.9	955	721	721
New weighted performance	0	0	0	0
Temp new rating	922.9	955	721	721
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	922.9	955	721	721
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	48	43	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
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	15	11	73.33	198.3	978.2	1176.6
Standard	15	11	73.33	198.3	978.2	1176.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	922.9	955	721	721
2025-09-30	922.9	955	721	721
2025-09-01	922.9	955	721	721
2025-08-01	922.9	955	721	721
2025-07-01	922.9	955	721	721
2025-06-01	922.9	955	721	721
2025-05-01	922.9	955	721	721
2025-04-01	922.9	955	721	721
2025-03-01	922.9	955	721	721
2025-02-01	922.9	955	721	721
2025-01-01	922.9	955	721	721
2024-12-01	922.9	955	721	721
2024-11-01	922.9	955	721	721
2024-10-01	922.9	955	721	721
2024-09-01	922.9	955	721	721
2024-08-01	922.9	955	721	721
2024-07-01	922.9	955	721	721
2024-09-01	922.9	955	721	721
2024-05-01	922.9	955	721	721
2024-04-01	922.9	955	721	721
2024-03-01	922.9	955	721	721
2024-02-01	922.9	955	721	721
2024-01-01	922.9	955	721	721
2023-12-01	922.9	955	721	721

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	George Trails 3 2018 (U10)	2018-02-24	2018-02-24	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	George Trails 2 2018 (U10)	2018-02-10	2018-02-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	George Trails 1 2018 (U10)	2018-01-27	2018-01-27	Standard	Eden (WEG)	5	5	5	Yes	Analysis

#	Games	Start				End
1	7	Tournament George Trails 1 2018				Tournament George Trails 2 2018
		date 2018-01-27	rnd 1	type Standard	result 1	date 2018-02-10	rnd 2	type Standard	result 1
		Opponent Marais, R (Ruben)				Opponent Williams, H (Handre)
2	2	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 1	type Standard	result 1	date 2018-02-24	rnd 2	type Standard	result 1
		Opponent Hartzenberg, E (Ethan)				Opponent De Waal, L (Liam)
3	1	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Boshoff, H (Henlo)				Opponent Boshoff, H (Henlo)

#	Games	Start				End
1	7	Tournament George Trails 1 2018				Tournament George Trails 2 2018
		date 2018-01-27	rnd 1	type Standard	result 1	date 2018-02-10	rnd 2	type Standard	result 1
		Opponent Marais, R (Ruben)				Opponent Williams, H (Handre)
2	2	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 1	type Standard	result 1	date 2018-02-24	rnd 2	type Standard	result 1
		Opponent Hartzenberg, E (Ethan)				Opponent De Waal, L (Liam)
3	1	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Boshoff, H (Henlo)				Opponent Boshoff, H (Henlo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament George Trails 1 2018				Tournament George Trails 2 2018
		date 2018-01-27	rnd 1	type Standard	result 1	date 2018-02-10	rnd 2	type Standard	result 1
		Opponent Marais, R (Ruben)				Opponent Williams, H (Handre)
2	2	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 1	type Standard	result 1	date 2018-02-24	rnd 2	type Standard	result 1
		Opponent Hartzenberg, E (Ethan)				Opponent De Waal, L (Liam)
3	1	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Boshoff, H (Henlo)				Opponent Boshoff, H (Henlo)

#	Games	Start				End
1	7	Tournament George Trails 1 2018				Tournament George Trails 2 2018
		date 2018-01-27	rnd 1	type Standard	result 1	date 2018-02-10	rnd 2	type Standard	result 1
		Opponent Marais, R (Ruben)				Opponent Williams, H (Handre)
2	2	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 1	type Standard	result 1	date 2018-02-24	rnd 2	type Standard	result 1
		Opponent Hartzenberg, E (Ethan)				Opponent De Waal, L (Liam)
3	1	Tournament George Trails 3 2018				Tournament George Trails 3 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-02-24	rnd 4	type Standard	result 1
		Opponent Boshoff, H (Henlo)				Opponent Boshoff, H (Henlo)

No games found.

#	Games	Start				End

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	De Waal ,L (Liam)	2	2	425	2	2	425	0	0	0	0	0	0
1	De Waal ,L (Liam)	2	703.6	1128.6	2	722.6	1128.6	0	0	0	0	0	0
2	Petersen ,S (Shenwin)	2	1	0	2	1	0	0	0	0	0	0	0
2	Petersen ,S (Shenwin)	2	1183.8	1183.8	2	1180.4	1183.8	0	0	0	0	0	0
3	Michaels ,SA (Sydney Ann)	2	1	0	2	1	0	0	0	0	0	0	0
3	Michaels ,SA (Sydney Ann)	2	662.5	662.5	2	670.8	662.5	0	0	0	0	0	0
4	Boshoff ,H (Henlo)	2	2	425	2	2	425	0	0	0	0	0	0
4	Boshoff ,H (Henlo)	2	1200.7	1625.7	2	1200.8	1625.7	0	0	0	0	0	0
5	Hartzenberg ,E (Ethan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Hartzenberg ,E (Ethan)	1	1131.6	1556.6	1	1117.6	1556.6	0	0	0	0	0	0
6	Williams ,H (Handre)	1	1	425	1	1	425	0	0	0	0	0	0
6	Williams ,H (Handre)	1	610.9	1035.9	1	631.2	1035.9	0	0	0	0	0	0
7	Heroldt ,M (Markus)	1	1	425	1	1	425	0	0	0	0	0	0
7	Heroldt ,M (Markus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Scholtz ,H (Hanko)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Scholtz ,H (Hanko)	1	614.7	189.7	1	628.4	189.7	0	0	0	0	0	0
9	Eksteen ,N (Nadja)	1	1	425	1	1	425	0	0	0	0	0	0
9	Eksteen ,N (Nadja)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Marx ,M (Marnu)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Marx ,M (Marnu)	1	1215.6	790.6	1	1218.8	790.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Du Plessis, J (Jac)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms