Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duminy, M (Marc)

Chess SA id

110089015

FIDE id

Date of birth

2010-11-11 (U16)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1062.3	1002.2	993	789.8
Raw rating	1062.3	1002.2	993	789.8
Weighted rating	1049.6	994.9	982.1	789.8
Weighted performance	950	0	0	0
Floor	562.3	502.2	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	201.8	219.8	222.7	297.5
Highest rating	1200 2018-02-01	1200 2018-02-01	1348.2 2023-10-01	1200 2024-02-01
Highest raw rating	1062.3 2024-10-01	1002.2 2024-08-01	993 2024-10-01	789.8 2024-02-01
Highest weighted rating	1062.3 2024-11-01	1002.2 2024-11-01	993 2024-11-01	789.8 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1348.2 2023-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1062.3	1002.2	993	789.8
Analysis
Rating	1062.3	1002.2	993	789.8
Raw rating	1062.3	1002.2	993	789.8
Weighted rating	1049.6	994.9	982.1
Weighted performance	950	0	0
K-factor	40	40	40	40
Floor	562.3	502.2	500	500
Max/Min rating change allowed	201.8	219.8	222.7	297.5
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	1062.3	1002.2	993	789.8
New weighted rating	1052.2	996.3	984.2	789.8
New weighted performance	949.6	0	0	0
Temp new rating	1062.3	1002.2	993	789.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1062.3	1002.2	993	789.8
New K-factor	40	40	40	40
New floor	562.3	502.2	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	13	4	9
	10	5	5
	0	0	0
	0	0	0
History	52	33	19

Games since
	Main 18	Standard 4		Rapid 14		Blitz 0
Gender	Male
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
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	29	16.5	56.9	58.6	1111.8	1170.4
Standard	15	9.5	63.33	113.3	1038.4	1151.8
Rapid	14	7	50	0	1190.4	1190.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1062.3	1002.2	993	789.8
2025-09-01	1062.3	1002.2	993	789.8
2025-08-01	1062.3	1002.2	993	789.8
2025-07-01	1062.3	1002.2	993	789.8
2025-06-01	1062.3	1002.2	993	789.8
2025-05-01	1062.3	1002.2	993	789.8
2025-04-01	1062.3	1002.2	993	789.8
2025-03-01	1062.3	1002.2	993	789.8
2025-02-01	1062.3	1002.2	993	789.8
2025-01-01	1062.3	1002.2	993	789.8
2024-12-01	1062.3	1002.2	993	789.8
2024-11-01	1062.3	1002.2	993	789.8
2024-10-01	1062.3	1002.2	993	789.8
2024-09-01	1056	1002.2	955.8	789.8
2024-08-01	1056	1002.2	955.8	789.8
2024-07-01	987.8	953.4	955.8	789.8
2024-06-01	987.8	953.4	955.8	789.8
2024-08-01	987.8	953.4	955.8	789.8
2024-04-01	971.7	953.4	917	789.8
2024-03-01	971.7	953.4	917	789.8
2024-02-01	971.7	953.4	917	789.8
2024-01-01	971.7	953.4	917	789.8
2023-12-01	971.7	953.4	917	789.8
2023-11-01	971.7	953.4	917	789.8

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	Kleinmond Chess Club Open 2024 (U14)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	5	2	Yes	Analysis
2	Overberg Schools - Top Schools 2024 (U15 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Curro Hermanus Freedom Day Rapid 2024 (U15)	2024-04-27	2024-04-27	Rapid	Overberg (WOS)	5	4	1.5	Yes	Analysis
4	Kingsway Open 2023 (U12+U14)	2023-10-28	2023-10-28	Rapid	Overberg (WOS)	5	5	3.5	Yes	Analysis
5	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
6	Western Cape Schools Individuals 2018 (U9 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	0	0	No	Analysis
7	Overberg Schools Closed 2018 (U9 Boys)	2018-03-23	2018-03-24	Standard	Overberg (WOS)	6	6	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament Overberg Top Schools 2023				Tournament Kingsway Open 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-10-28	rnd 3	type Rapid	result 1
		Opponent Van Der Merwe, L (Luan Rudolf Johanne)				Opponent Tshutshumeza, M (Michelle)
2	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Vogel, Z (Zander)				Opponent Adshade, L (Lea-Linize)
3	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Van Schoor, J (Jade)				Opponent Benson, J (Joshua)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 1	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Vogel, Z (Zander)				Opponent Adshade, L (Lea-Linize)
2	2	Tournament Overberg Top Schools 2023				Tournament Overberg Schools - Top Schools 2024
		date 2023-08-05	rnd 5	type Standard	result 1	date 2024-07-27	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, L (Luan Rudolf Johanne)				Opponent D`Ambrosio, D (Djuna)
3	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Madden, J (Joshua)				Opponent Botha, A (Anthonie)

#	Games	Start				End
1	3	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 1	type Rapid	result 1	date 2023-10-28	rnd 3	type Rapid	result 1
		Opponent Oudejans, R (Rebecca)				Opponent Tshutshumeza, M (Michelle)
2	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Van Schoor, J (Jade)				Opponent Benson, J (Joshua)
3	2	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 3	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 0.5
		Opponent Vogel, Z (Zander)				Opponent Witbooi, G (Gere)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Van Schoor, J (Jade)				Opponent Benson, J (Joshua)
2	2	Tournament Overberg Top Schools 2023				Tournament Kingsway Open 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-10-28	rnd 1	type Rapid	result 1
		Opponent Van Der Merwe, L (Luan Rudolf Johanne)				Opponent Oudejans, R (Rebecca)
3	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Madden, J (Joshua)				Opponent Botha, A (Anthonie)

#	Games	Start				End
1	2	Tournament Overberg Top Schools 2023				Tournament Overberg Schools - Top Schools 2024
		date 2023-08-05	rnd 5	type Standard	result 1	date 2024-07-27	rnd 1	type Standard	result 1
		Opponent Van Der Merwe, L (Luan Rudolf Johanne)				Opponent D`Ambrosio, D (Djuna)
2	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Madden, J (Joshua)				Opponent Botha, A (Anthonie)
3	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-23	rnd 2	type Standard	result 1
		Opponent Volschenk, CG (Cg)				Opponent Lubbe, C (Christiaan)

#	Games	Start				End
1	2	Tournament Kleinmond Chess Club Open 2024				Tournament Kleinmond Chess Club Open 2024
		date 2024-09-07	rnd 4	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Van Schoor, J (Jade)				Opponent Benson, J (Joshua)
2	1	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 3	type Rapid	result 1	date 2024-04-27	rnd 3	type Rapid	result 1
		Opponent Vogel, Z (Zander)				Opponent Vogel, Z (Zander)
3	1	Tournament Kingsway Open 2023				Tournament Kingsway Open 2023
		date 2023-10-28	rnd 5	type Rapid	result 1	date 2023-10-28	rnd 5	type Rapid	result 1
		Opponent Basson, N (Nathan)				Opponent Basson, N (Nathan)

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	Vogel ,Z (Zander)	2	2	425	1	1	425	1	1	425	0	0	0
1	Vogel ,Z (Zander)	2	1164.4	1589.4	1	1174.8	1589.4	1	1167.1	1589.4	0	0	0
2	Witbooi ,G (Gere)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
2	Witbooi ,G (Gere)	2	1067.2	854.8	0	0	0	2	1131.2	854.8	0	0	0
3	Botha ,A (Anthonie)	1	1	425	1	1	425	0	0	0	0	0	0
3	Botha ,A (Anthonie)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Swart ,E (Eon)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Swart ,E (Eon)	1	1159.7	1159.7	1	1105.6	1159.7	0	0	0	0	0	0
5	Volschenk ,CG (Cg)	1	1	425	1	1	425	0	0	0	0	0	0
5	Volschenk ,CG (Cg)	1	500	925	1	500	925	0	0	0	0	0	0
6	Valentine ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Valentine ,L (Luke)	1	767.6	342.6	1	767.6	342.6	0	0	0	0	0	0
7	Witbooi ,C (Caleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Witbooi ,C (Caleb)	1	606.2	181.2	1	606.2	181.2	0	0	0	0	0	0
8	Matinywa ,T (Thobani)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Matinywa ,T (Thobani)	1	1347.6	922.6	1	1327.7	922.6	0	0	0	0	0	0
9	D`Ambrosio ,D (Djuna)	1	1	425	1	1	425	0	0	0	0	0	0
9	D`Ambrosio ,D (Djuna)	1	1185.6	1610.6	1	1200	1610.6	0	0	0	0	0	0
10	Olivier ,F (Francois)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Olivier ,F (Francois)	1	1311.2	886.2	1	1347.7	886.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Duminy, M (Marc)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms