Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dumas, J (Jj)

Chess SA id

1100143922

FIDE id

Date of birth

2010-02-09 (U16)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1241.7	1200	1262.3	1200
Raw rating	1241.7	1200	1262.3	1200
Weighted rating	1241.6	1200	1262	1200
Weighted performance	0	0	0	0
Floor	757.9	700	794.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.2	165.8	151.7	165.8
Highest rating	1379.3 2022-07-01	1200 2018-10-01	1452.2 2022-07-01	1200 2018-10-01
Highest raw rating	1257.9 2023-08-01	1200 2024-02-01	1294.4 2023-08-01	1200 2024-02-01
Highest weighted rating	1257.9 2024-08-01	1200 2018-10-01	1294.4 2024-06-01	1200 2018-10-01
Highest weighted performance	1379.3 2022-07-01	1200 2024-02-01	1452.2 2022-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1241.7	1200	1262.3	1200
Analysis
Rating	1241.7	1200	1262.3	1200
Raw rating	1241.7	1200	1262.3	1200
Weighted rating	1241.6	1200	1262
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	757.9	700	794.4	700
Max/Min rating change allowed	156.2	165.8	151.7	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	1241.7	1200	1262.3	1200
New weighted rating	1241.7	1200	1262.1	1200
New weighted performance	0	0	0	0
Temp new rating	1241.7	1200	1262.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1241.7	1200	1262.3	1200
New K-factor	36	36	36	36
New floor	757.9	700	794.4	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	9	9
	10	10
	0	0
History	19	19

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	19	12	63.16	111.8	1200.4	1312.2
Standard	0	0	0	0	0	0
Rapid	19	12	63.16	111.8	1200.4	1312.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1241.7	1200	1262.3	1200
2025-09-01	1241.7	1200	1262.3	1200
2025-08-01	1241.7	1200	1262.3	1200
2025-07-01	1241.7	1200	1262.3	1200
2025-06-01	1241.7	1200	1262.3	1200
2025-05-01	1241.7	1200	1262.3	1200
2025-04-01	1241.7	1200	1262.3	1200
2025-03-01	1241.7	1200	1262.3	1200
2025-02-01	1241.7	1200	1262.3	1200
2025-01-01	1241.5	1200	1261.6	1200
2024-12-01	1241.5	1200	1261.6	1200
2024-11-01	1241.5	1200	1261.6	1200
2024-10-01	1241.5	1200	1261.6	1200
2024-09-01	1241.5	1200	1261.6	1200
2024-08-01	1241.5	1200	1261.6	1200
2024-07-01	1241.5	1200	1261.6	1200
2024-06-01	1241.5	1200	1261.6	1200
2024-08-01	1241.5	1200	1261.6	1200
2024-04-01	1241.5	1200	1261.6	1200
2024-03-01	1241.5	1200	1261.6	1200
2024-02-01	1241.5	1200	1261.6	1200
2024-01-01	1241.5	1200	1261.6	1200
2023-12-01	1241.5	1200	1261.6	1200
2023-11-01	1241.5	1200	1261.6	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	Govin Mbeki Teams Chess Tournament 2023 (U13 Open)	2023-08-18	2023-08-18	Rapid	Gert Sibande (MGS)	5	5	2	Yes	Analysis
2	Ho�veldgroep 2023 (O13 B-Spanne)	2023-07-28	2023-07-28	Rapid	Gert Sibande (MGS)	5	4	3	Yes	Analysis
3	Govan Mbeki Uitspele 2022 (O13)	2022-08-12	2022-08-12	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
4	Hoeveldgroep 2022 (O13A)	2022-07-29	2022-07-29	Rapid	Gert Sibande (MGS)	5	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Govan Mbeki Uitspele 2022				Tournament Govan Mbeki Uitspele 2022
		date 2022-08-12	rnd 2	type Rapid	result 1	date 2022-08-12	rnd 4	type Rapid	result 1
		Opponent Deshpande, D (Druvneel)				Opponent Schoeman, M (Markis)
2	3	Tournament Hoeveldgroep 2022				Tournament Hoeveldgroep 2022
		date 2022-07-29	rnd 3	type Rapid	result 1	date 2022-07-29	rnd 5	type Rapid	result 1
		Opponent Viljoen, K (Kanita)				Opponent Bodenstein, S (Sylvia)
3	2	Tournament Ho�veldgroep 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-07-28	rnd 5	type Rapid	result 1	date 2023-08-18	rnd 1	type Rapid	result 0.5
		Opponent Polenakis, C (Christopher)				Opponent Swart, F (Fc)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Govan Mbeki Uitspele 2022				Tournament Govan Mbeki Uitspele 2022
		date 2022-08-12	rnd 2	type Rapid	result 1	date 2022-08-12	rnd 4	type Rapid	result 1
		Opponent Deshpande, D (Druvneel)				Opponent Schoeman, M (Markis)
2	3	Tournament Hoeveldgroep 2022				Tournament Hoeveldgroep 2022
		date 2022-07-29	rnd 3	type Rapid	result 1	date 2022-07-29	rnd 5	type Rapid	result 1
		Opponent Viljoen, K (Kanita)				Opponent Bodenstein, S (Sylvia)
3	2	Tournament Ho�veldgroep 2023				Tournament Govin Mbeki Teams Chess Tournament 2023
		date 2023-07-28	rnd 5	type Rapid	result 1	date 2023-08-18	rnd 1	type Rapid	result 0.5
		Opponent Polenakis, C (Christopher)				Opponent Swart, F (Fc)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Govan Mbeki Uitspele 2022				Tournament Govan Mbeki Uitspele 2022
		date 2022-08-12	rnd 2	type Rapid	result 1	date 2022-08-12	rnd 4	type Rapid	result 1
		Opponent Deshpande, D (Druvneel)				Opponent Schoeman, M (Markis)
2	3	Tournament Hoeveldgroep 2022				Tournament Hoeveldgroep 2022
		date 2022-07-29	rnd 3	type Rapid	result 1	date 2022-07-29	rnd 5	type Rapid	result 1
		Opponent Viljoen, K (Kanita)				Opponent Bodenstein, S (Sylvia)
3	2	Tournament Ho�veldgroep 2023				Tournament Ho�veldgroep 2023
		date 2023-07-28	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 3	type Rapid	result 1
		Opponent Gouws, B (Bryan)				Opponent Meyer, A (Alrich)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Govan Mbeki Uitspele 2022				Tournament Govan Mbeki Uitspele 2022
		date 2022-08-12	rnd 2	type Rapid	result 1	date 2022-08-12	rnd 4	type Rapid	result 1
		Opponent Deshpande, D (Druvneel)				Opponent Schoeman, M (Markis)
2	3	Tournament Hoeveldgroep 2022				Tournament Hoeveldgroep 2022
		date 2022-07-29	rnd 3	type Rapid	result 1	date 2022-07-29	rnd 5	type Rapid	result 1
		Opponent Viljoen, K (Kanita)				Opponent Bodenstein, S (Sylvia)
3	2	Tournament Ho�veldgroep 2023				Tournament Ho�veldgroep 2023
		date 2023-07-28	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 3	type Rapid	result 1
		Opponent Gouws, B (Bryan)				Opponent Meyer, A (Alrich)

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	Mkhabe ,S (Snethemba)	2	1	0	0	0	0	2	1	0	0	0	0
1	Mkhabe ,S (Snethemba)	2	1206.3	1206.3	0	0	0	2	1245.7	1206.3	0	0	0
2	Goosen ,L (Lodevickus Jan)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Goosen ,L (Lodevickus Jan)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Bawuthi ,L (Lukho)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Bawuthi ,L (Lukho)	1	1203.6	778.6	0	0	0	1	1214.4	778.6	0	0	0
4	Jonker ,A (Arno)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Jonker ,A (Arno)	1	1246.6	821.6	0	0	0	1	1280.4	821.6	0	0	0
5	Meyer ,A (Alrich)	1	1	425	0	0	0	1	1	425	0	0	0
5	Meyer ,A (Alrich)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Swart ,F (Fc)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
6	Swart ,F (Fc)	1	1209.8	1209.8	0	0	0	1	1221.6	1209.8	0	0	0
7	August ,D (Danique)	1	1	425	0	0	0	1	1	425	0	0	0
7	August ,D (Danique)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Mahlangu ,M (Maka)	1	1	425	0	0	0	1	1	425	0	0	0
8	Mahlangu ,M (Maka)	1	1100.6	1525.6	0	0	0	1	1060	1525.6	0	0	0
9	Cornelissen ,X (Xander)	1	1	425	0	0	0	1	1	425	0	0	0
9	Cornelissen ,X (Xander)	1	1105	1530	0	0	0	1	1140	1530	0	0	0
10	Deshpande ,D (Druvneel)	1	1	425	0	0	0	1	1	425	0	0	0
10	Deshpande ,D (Druvneel)	1	1207.4	1632.4	0	0	0	1	1222.4	1632.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Dumas, J (Jj)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms