Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duminy, L (Luc)

Chess SA id

107080796

FIDE id

Date of birth

2007-05-16 (U20)

Gender

Male

Region

Overberg (WOS)

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	683.2	673.6	632	592.8
Raw rating	683.2	673.6	632	592.8
Weighted rating	681.6	673.6	629.3	592.8
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	346.3	351	372.5	393.9
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	683.2 2024-05-01	673.6 2024-02-01	632 2024-05-01	592.8 2024-02-01
Highest weighted rating	683.2 2024-11-01	673.6 2024-11-01	632 2024-11-01	592.8 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	683.2	673.6	632	592.8
Analysis
Rating	683.2	673.6	632	592.8
Raw rating	683.2	673.6	632	592.8
Weighted rating	681.6	673.6	629.3
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	346.3	351	372.5	393.9
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	683.2	673.6	632	592.8
New weighted rating	682	673.6	630	592.8
New weighted performance	0	0	0	0
Temp new rating	683.2	673.6	632	592.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	683.2	673.6	632	592.8
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	4	0	4
	0	0	0
	0	0	0
	0	0	0
History	43	39	4

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Male
Age group	U20
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	10	4	40	-85	1094.7	1009.7
Standard	6	3	50	0	993.3	993.3
Rapid	4	1	25	-212.5	1246.8	1034.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	683.2	673.6	632	592.8
2025-09-01	683.2	673.6	632	592.8
2025-08-01	683.2	673.6	632	592.8
2025-07-01	683.2	673.6	632	592.8
2025-06-01	683.2	673.6	632	592.8
2025-05-01	683.2	673.6	632	592.8
2025-04-01	683.2	673.6	632	592.8
2025-03-01	683.2	673.6	632	592.8
2025-02-01	683.2	673.6	632	592.8
2025-01-01	683.2	673.6	632	592.8
2024-12-01	683.2	673.6	632	592.8
2024-11-01	683.2	673.6	632	592.8
2024-10-01	683.2	673.6	632	592.8
2024-09-01	683.2	673.6	632	592.8
2024-08-01	683.2	673.6	632	592.8
2024-07-01	683.2	673.6	632	592.8
2024-06-01	683.2	673.6	632	592.8
2024-08-01	683.2	673.6	632	592.8
2024-04-01	659.9	673.6	592.8	592.8
2024-03-01	659.9	673.6	592.8	592.8
2024-02-01	659.9	673.6	592.8	592.8
2024-01-01	659.9	673.6	592.8	592.8
2023-12-01	659.9	673.6	592.8	592.8
2023-11-01	659.9	673.6	592.8	592.8

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	Curro Hermanus Freedom Day Rapid 2024 (U17)	2024-04-27	2024-04-27	Rapid	Overberg (WOS)	5	4	1	Yes	Analysis
2	Overberg Schools Closed 2018 (U11 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 2	type Standard	result 1	date 2018-03-23	rnd 3	type Standard	result 1
		Opponent Hofmeyr, J (Jonah)				Opponent Potgieter, PL (Pieter)
2	1	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Seedat, F (Fatima)				Opponent Seedat, F (Fatima)
3	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 5	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Fourie, T (Tristan)				Opponent Fourie, T (Tristan)

#	Games	Start				End
1	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 2	type Standard	result 1	date 2018-03-23	rnd 3	type Standard	result 1
		Opponent Hofmeyr, J (Jonah)				Opponent Potgieter, PL (Pieter)
2	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 5	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Fourie, T (Tristan)				Opponent Fourie, T (Tristan)

#	Games	Start				End
1	1	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Seedat, F (Fatima)				Opponent Seedat, F (Fatima)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 2	type Standard	result 1	date 2018-03-23	rnd 3	type Standard	result 1
		Opponent Hofmeyr, J (Jonah)				Opponent Potgieter, PL (Pieter)
2	1	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Seedat, F (Fatima)				Opponent Seedat, F (Fatima)
3	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 5	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Fourie, T (Tristan)				Opponent Fourie, T (Tristan)

#	Games	Start				End
1	2	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 2	type Standard	result 1	date 2018-03-23	rnd 3	type Standard	result 1
		Opponent Hofmeyr, J (Jonah)				Opponent Potgieter, PL (Pieter)
2	1	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 5	type Standard	result 1	date 2018-03-23	rnd 5	type Standard	result 1
		Opponent Fourie, T (Tristan)				Opponent Fourie, T (Tristan)

#	Games	Start				End
1	1	Tournament Curro Hermanus Freedom Day Rapid 2024				Tournament Curro Hermanus Freedom Day Rapid 2024
		date 2024-04-27	rnd 4	type Rapid	result 1	date 2024-04-27	rnd 4	type Rapid	result 1
		Opponent Seedat, F (Fatima)				Opponent Seedat, F (Fatima)

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	Mfundisi ,M (Mlibo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Mfundisi ,M (Mlibo)	2	966	541	1	654	541	1	1191.9	541	0	0	0
2	Potgieter ,PL (Pieter Liam)	1	1	425	1	1	425	0	0	0	0	0	0
2	Potgieter ,PL (Pieter Liam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Philander ,R (Rayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Philander ,R (Rayden)	1	506	81	1	506	81	0	0	0	0	0	0
4	Fourie ,T (Tristan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Fourie ,T (Tristan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Hofmeyr ,J (Jonah)	1	1	425	1	1	425	0	0	0	0	0	0
5	Hofmeyr ,J (Jonah)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Isaacs ,L (Lucas)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Isaacs ,L (Lucas)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Seedat ,F (Fatima)	1	1	425	0	0	0	1	1	425	0	0	0
7	Seedat ,F (Fatima)	1	1108.9	1533.9	0	0	0	1	1159.2	1533.9	0	0	0
8	Beveridge ,TG (Talitha Grace)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Beveridge ,TG (Talitha Grace)	1	1413.2	988.2	0	0	0	1	1211.6	988.2	0	0	0
9	Lucas ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Lucas ,L (Liam)	1	1187	762	0	0	0	1	1171.6	762	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Duminy, L (Luc)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms