Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Bruyn, J (Jacus M)

Chess SA id

1090149423

FIDE id

Date of birth

2009-03-31 (U18)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1122.4	1114.6	1186.1	1200
Raw rating	1122.4	1114.6	1186.1	1200
Weighted rating	1121.4	1114.4	1184.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.2	187.3	169.1	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1122.4	1114.6	1186.1	1200
Analysis
Rating	1122.4	1114.6	1186.1	1200
Raw rating	1122.4	1114.6	1186.1	1200
Weighted rating	1121.4	1114.4	1184.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.2	187.3	169.1	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	1122.4	1114.6	1186.1	1200
New weighted rating	1121.3	1114.4	1184	1200
New weighted performance	0	0	0	0
Temp new rating	1122.4	1114.6	1186.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1122.4	1114.6	1186.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	13	8	5
	5	5	0
	0	0	0
	0	0	0
History	18	13	5

Games since
	Main 13	Standard 8		Rapid 5		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	18	5	27.78	-188.9	1212.6	1023.7
Standard	13	3.5	26.92	-196.2	1214.4	1018.3
Rapid	5	1.5	30	-170	1207.9	1037.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1122.4	1114.6	1186.1	1200
2025-09-01	1122.4	1114.6	1186.1	1200
2025-08-01	1122.4	1114.6	1186.1	1200
2025-07-01	1122.4	1114.6	1186.1	1200
2025-06-01	1122.4	1114.6	1186.1	1200
2025-05-01	1122.4	1114.6	1186.1	1200
2025-04-01	1122.4	1114.6	1186.1	1200
2025-03-01	1122.4	1114.6	1186.1	1200
2025-02-01	1122.1	1114.6	1185.1	1200
2025-01-01	1114.3	1114	1165.4	1200
2024-12-01	1114.3	1114	1165.4	1200
2024-11-01	1114.3	1114	1165.4	1200
2024-10-01	1114.3	1114	1165.4	1200
2024-09-01	1114.3	1114	1165.4	1200
2024-08-01	1125.6	1114	1200	1200
2024-07-01	1125.6	1114	1200	1200
2024-06-01	1125.6	1114	1200	1200
2024-08-01	1125.6	1114	1200	1200
2024-04-01	1125.6	1114	1200	1200
2024-03-01	1124.6	1112.4	1200	1200
2024-02-01	1130.9	1116.4	1200	1200
2024-01-01	1130.9	1116.4	1200	1200
2023-12-01	1130.9	1116.4	1200	1200
2023-11-01	1130.9	1116.4	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	CDC High Schools League Finals 2024 (U15A)	2024-08-17	2024-08-17	Rapid	Capricorn (LCP)	5	5	1.5	Yes	Analysis
2	Capricorn Open Chess Championship 2024 (A)	2024-03-02	2024-03-02	Standard	Capricorn (LCP)	5	3	1	Yes	Analysis
3	Capricorn District Chess Junior Qualifying Tournament 2024 (U16)	2024-02-10	2024-02-10	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
4	Capricorn Qualifying February 4th 2023 (U16)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	0.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament CDC High Schools League Finals 2024				Tournament CDC High Schools League Finals 2024
		date 2024-08-17	rnd 4	type Rapid	result 0.5	date 2024-08-17	rnd 4	type Rapid	result 0.5
		Opponent Rossouw, W (Wynand)				Opponent Rossouw, W (Wynand)
2	1	Tournament CDC High Schools League Finals 2024				Tournament CDC High Schools League Finals 2024
		date 2024-08-17	rnd 1	type Rapid	result 1	date 2024-08-17	rnd 1	type Rapid	result 1
		Opponent Van Rensburg, W (Wian)				Opponent Van Rensburg, W (Wian)
3	1	Tournament Capricorn Open Chess Championship 2024				Tournament Capricorn Open Chess Championship 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 1
		Opponent Roberto, H (Hanco)				Opponent Roberto, H (Hanco)

#	Games	Start				End
1	1	Tournament Capricorn Open Chess Championship 2024				Tournament Capricorn Open Chess Championship 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 1
		Opponent Roberto, H (Hanco)				Opponent Roberto, H (Hanco)
2	1	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-10	rnd 4	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Mashamaite, L (Lehlogonolo)				Opponent Mashamaite, L (Lehlogonolo)
3	1	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-10	rnd 2	type Standard	result 1	date 2024-02-10	rnd 2	type Standard	result 1
		Opponent Matemera, S (Sydney)				Opponent Matemera, S (Sydney)

#	Games	Start				End
1	1	Tournament CDC High Schools League Finals 2024				Tournament CDC High Schools League Finals 2024
		date 2024-08-17	rnd 4	type Rapid	result 0.5	date 2024-08-17	rnd 4	type Rapid	result 0.5
		Opponent Rossouw, W (Wynand)				Opponent Rossouw, W (Wynand)
2	1	Tournament CDC High Schools League Finals 2024				Tournament CDC High Schools League Finals 2024
		date 2024-08-17	rnd 1	type Rapid	result 1	date 2024-08-17	rnd 1	type Rapid	result 1
		Opponent Van Rensburg, W (Wian)				Opponent Van Rensburg, W (Wian)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CDC High Schools League Finals 2024				Tournament CDC High Schools League Finals 2024
		date 2024-08-17	rnd 1	type Rapid	result 1	date 2024-08-17	rnd 1	type Rapid	result 1
		Opponent Van Rensburg, W (Wian)				Opponent Van Rensburg, W (Wian)
2	1	Tournament Capricorn Open Chess Championship 2024				Tournament Capricorn Open Chess Championship 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 1
		Opponent Roberto, H (Hanco)				Opponent Roberto, H (Hanco)
3	1	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-10	rnd 4	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Mashamaite, L (Lehlogonolo)				Opponent Mashamaite, L (Lehlogonolo)

#	Games	Start				End
1	1	Tournament Capricorn Open Chess Championship 2024				Tournament Capricorn Open Chess Championship 2024
		date 2024-03-02	rnd 1	type Standard	result 1	date 2024-03-02	rnd 1	type Standard	result 1
		Opponent Roberto, H (Hanco)				Opponent Roberto, H (Hanco)
2	1	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-10	rnd 4	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Mashamaite, L (Lehlogonolo)				Opponent Mashamaite, L (Lehlogonolo)
3	1	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-10	rnd 2	type Standard	result 1	date 2024-02-10	rnd 2	type Standard	result 1
		Opponent Matemera, S (Sydney)				Opponent Matemera, S (Sydney)

#	Games	Start				End
1	1	Tournament CDC High Schools League Finals 2024				Tournament CDC High Schools League Finals 2024
		date 2024-08-17	rnd 1	type Rapid	result 1	date 2024-08-17	rnd 1	type Rapid	result 1
		Opponent Van Rensburg, W (Wian)				Opponent Van Rensburg, W (Wian)

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	Shika ,O (Orifha)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Shika ,O (Orifha)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Matemera ,S (Sydney)	1	1	425	1	1	425	0	0	0	0	0	0
2	Matemera ,S (Sydney)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Roberto ,H (Hanco)	1	1	425	1	1	425	0	0	0	0	0	0
3	Roberto ,H (Hanco)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mutadza ,K (Kuda)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Mutadza ,K (Kuda)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
5	Thobejane ,ME (Mmampuru Eric)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Thobejane ,ME (Mmampuru Eric)	1	1524.5	1099.5	1	1515.1	1099.5	0	0	0	0	0	0
6	Mashamaite ,L (Lehlogonolo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mashamaite ,L (Lehlogonolo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Joubert ,D (Dewald)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Joubert ,D (Dewald)	1	1162.9	737.9	1	1155.6	737.9	0	0	0	0	0	0
8	Selepe ,M (Matshidiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Selepe ,M (Matshidiso)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Matsi ,K (Koketso)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Matsi ,K (Koketso)	1	1158.8	733.8	1	1150.8	733.8	0	0	0	0	0	0
10	Semenya ,P (Phuti)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Semenya ,P (Phuti)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

De Bruyn, J (Jacus M)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms