Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joubert, D (Dewald)

Chess SA id

1090096811

FIDE id

Date of birth

2009-08-04 (U18)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-04-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1103.5	1099.2	1200	1200
Raw rating	1103.5	1099.2	1200	1200
Weighted rating	1101	1095.8	1200	1200
Weighted performance	866.1	866	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.3	191.4	165.8	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1103.5	1099.2	1200	1200
Analysis
Rating	1103.5	1099.2	1200	1200
Raw rating	1103.5	1099.2	1200	1200
Weighted rating	1101	1095.8	1200
Weighted performance	866.1	866	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	190.3	191.4	165.8	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	1103.5	1099.2	1200	1200
New weighted rating	1101.8	1096.9	1200	1200
New weighted performance	865.8	865.6	0	0
Temp new rating	1103.5	1099.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1103.5	1099.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	15	15
	14	14
	0	0
	0	0
History	39	39

Games since
	Main 19	Standard 19		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Capricorn (LCP)
Province	Limpopo (LP)
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	39	13.5	34.62	-130.8	1191.3	1060.5
Standard	39	13.5	34.62	-130.8	1191.3	1060.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1103.5	1099.2	1200	1200
2025-09-01	1103.5	1099.2	1200	1200
2025-08-01	1103.5	1099.2	1200	1200
2025-07-01	1103.5	1099.2	1200	1200
2025-06-01	1103.5	1099.2	1200	1200
2025-05-01	1103.5	1099.2	1200	1200
2025-04-01	1103.5	1099.2	1200	1200
2025-03-01	1103.5	1099.2	1200	1200
2025-02-01	1103.5	1099.2	1200	1200
2025-01-01	1103.5	1099.2	1200	1200
2024-12-01	1103.5	1099.2	1200	1200
2024-11-01	1103.5	1099.2	1200	1200
2024-10-01	1103.5	1099.2	1200	1200
2024-09-01	1103.5	1099.2	1200	1200
2024-08-01	1103.5	1099.2	1200	1200
2024-07-01	1103.5	1099.2	1200	1200
2024-06-01	1103.5	1099.2	1200	1200
2024-08-01	1103.5	1099.2	1200	1200
2024-04-01	1079.6	1070	1200	1200
2024-03-01	1061.3	1043.6	1200	1200
2024-02-01	1065	1044	1200	1200
2024-01-01	1065	1044	1200	1200
2023-12-01	1065	1044	1200	1200
2023-11-01	1065	1044	1200	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	NABOOMSPAR Open Chess Tournament 2024 (Open)	2024-04-27	2024-04-27	Standard	Waterberg (LWM)	5	5	2.5	Yes	Analysis
2	Capricorn District Junior Qualifying 3 2024 (U16)	2024-03-09	2024-03-09	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
3	Capricorn District Chess Junior Qualifying Tournament 2024 (U16)	2024-02-10	2024-02-10	Standard	Capricorn (LCP)	5	5	1.5	Yes	Analysis
4	2023 Capricorn District Junior Final Trials (U16 Mixed)	2023-11-11	2023-11-11	Standard	Capricorn (LCP)	5	4	0	Yes	Analysis
5	Capricorn Qualifying March 2023 (U16)	2023-03-11	2023-03-11	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
6	Capricorn Qualifying February 4th 2023 (U16)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	1.5	Yes	Analysis
7	Capricorn Qualifying 02 June 2018 (U10)	2018-06-02	2018-06-02	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
8	Capricorn Qualifying 10 Feb 2018 (U10)	2018-02-10	2018-02-10	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Capricorn District Junior Qualifying 3 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-04-27	rnd 2	type Standard	result 0.5
		Opponent Madiba, M (Michelle)				Opponent Swart, C (Christopher)
2	2	Tournament Capricorn Qualifying March 2023				Tournament Capricorn Qualifying March 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 0.5
		Opponent Masehla, T (Tshegofatso)				Opponent Mokwena, L (Lesedi B)
3	2	Tournament Capricorn Qualifying February 4th 2023				Tournament Capricorn Qualifying February 4th 2023
		date 2023-02-04	rnd 3	type Standard	result 0.5	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Makua, A (Amogelang)				Opponent De Bruyn, J (Jacus M)

#	Games	Start				End
1	4	Tournament Capricorn District Junior Qualifying 3 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-04-27	rnd 2	type Standard	result 0.5
		Opponent Madiba, M (Michelle)				Opponent Swart, C (Christopher)
2	2	Tournament Capricorn Qualifying March 2023				Tournament Capricorn Qualifying March 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 0.5
		Opponent Masehla, T (Tshegofatso)				Opponent Mokwena, L (Lesedi B)
3	2	Tournament Capricorn Qualifying February 4th 2023				Tournament Capricorn Qualifying February 4th 2023
		date 2023-02-04	rnd 3	type Standard	result 0.5	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Makua, A (Amogelang)				Opponent De Bruyn, J (Jacus M)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Capricorn District Junior Qualifying 3 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-04-27	rnd 1	type Standard	result 1
		Opponent Madiba, M (Michelle)				Opponent Van Der Merwe, M (Monica)
2	2	Tournament Capricorn Qualifying 10 Feb 2018				Tournament Capricorn Qualifying 10 Feb 2018
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-02-10	rnd 3	type Standard	result 1
		Opponent Raphuhlela, M (Msasi)				Opponent Pholoba, L (Lesego)
3	1	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-27	rnd 5	type Standard	result 1	date 2024-04-27	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, K (Koos)				Opponent Van Der Merwe, K (Koos)

#	Games	Start				End
1	3	Tournament Capricorn District Junior Qualifying 3 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-03-09	rnd 4	type Standard	result 1	date 2024-04-27	rnd 1	type Standard	result 1
		Opponent Madiba, M (Michelle)				Opponent Van Der Merwe, M (Monica)
2	2	Tournament Capricorn Qualifying 10 Feb 2018				Tournament Capricorn Qualifying 10 Feb 2018
		date 2018-02-10	rnd 2	type Standard	result 1	date 2018-02-10	rnd 3	type Standard	result 1
		Opponent Raphuhlela, M (Msasi)				Opponent Pholoba, L (Lesego)
3	1	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-27	rnd 5	type Standard	result 1	date 2024-04-27	rnd 5	type Standard	result 1
		Opponent Van Der Merwe, K (Koos)				Opponent Van Der Merwe, K (Koos)

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	Latakgomo ,T (Tiisetjo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Latakgomo ,T (Tiisetjo)	1	1242	817	1	1243.2	817	0	0	0	0	0	0
2	Jooste ,M (Mathew)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Jooste ,M (Mathew)	1	870.9	445.9	1	920	445.9	0	0	0	0	0	0
3	Bokosi ,T (Tanaka)	1	1	425	1	1	425	0	0	0	0	0	0
3	Bokosi ,T (Tanaka)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mphahlele ,M (Maabe)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mphahlele ,M (Maabe)	1	1216.9	791.9	1	1220.8	791.9	0	0	0	0	0	0
5	Mohlala ,M (Moses)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mohlala ,M (Moses)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Kgokolo ,MKB (Masego Kutloano Bradley)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kgokolo ,MKB (Masego Kutloano Bradley)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Lotterie ,C (Christo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lotterie ,C (Christo)	1	1257.8	832.8	1	1239.2	832.8	0	0	0	0	0	0
8	Jansen Van Rensburg ,W (Wilko)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Jansen Van Rensburg ,W (Wilko)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Van Rooyen ,L (Lihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Rooyen ,L (Lihan)	1	1134.3	709.3	1	1120.8	709.3	0	0	0	0	0	0
10	Masehla ,T (Tshegofatso)	1	1	425	1	1	425	0	0	0	0	0	0
10	Masehla ,T (Tshegofatso)	1	1139.2	1564.2	1	1126	1564.2	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

Joubert, D (Dewald)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms