Chess South Africa Ratings Database

PLAYER PAGE

Personal

Harris, DH (David Harry)

Chess SA id

175011891

FIDE id

Date of birth

1975-09-09 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-03-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1324.8	1225	1401.7	1225
Raw rating	1324.8	1225	1401.7	1225
Weighted rating	1324.8	1225	1401.4	1225
Weighted performance	0	0	0	0
Floor	829.5	725	901.7	725
K-factor	36	36	32	36
Min/Max rating change allowed	138.8	160	124.4	160
Highest rating	1528.4 2018-03-01	1225 2019-04-01	1624 2018-02-01	1225 2019-04-01
Highest raw rating	1329.5 2018-10-01	1225 2024-02-01	1401.7 2024-02-01	1225 2024-02-01
Highest weighted rating	1329.5 2020-06-01	1225 2019-04-01	1400.7 2025-08-01	1225 2019-04-01
Highest weighted performance	1528.4 2018-03-01	1200 2024-02-01	1624 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1324.8	1225	1401.7	1225
Analysis
Rating	1324.8	1225	1401.7	1225
Raw rating	1324.8	1225	1401.7	1225
Weighted rating	1324.8	1225	1401.4
Weighted performance	0	0	0
K-factor	36	36	32	36
Floor	829.5	725	901.7	725
Max/Min rating change allowed	138.8	160	124.4	160
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	1324.8	1225	1401.7	1225
New weighted rating	1324.8	1225	1401.6	1225
New weighted performance	0	0	0	0
Temp new rating	1324.8	1225	1401.7	1225
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1324.8	1225	1401.7	1225
New K-factor	36	36	32	36
New floor	829.5	725	901.7	725

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	83	52	31

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	13.5	71.05	178.9	1331.6	1510.6
Standard	0	0	0	0	0	0
Rapid	19	13.5	71.05	178.9	1331.6	1510.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1324.8	1225	1401.7	1225
2025-09-01	1324.8	1225	1401.7	1225
2025-08-01	1324.8	1225	1401.7	1225
2025-07-01	1324.8	1225	1401.7	1225
2025-06-01	1324.8	1225	1401.7	1225
2025-05-01	1324.8	1225	1401.7	1225
2025-04-01	1324.8	1225	1401.7	1225
2025-03-01	1324.8	1225	1401.7	1225
2025-02-01	1324.8	1225	1401.7	1225
2025-01-01	1324.8	1225	1401.7	1225
2024-12-01	1324.8	1225	1401.7	1225
2024-11-01	1324.8	1225	1401.7	1225
2024-10-01	1324.8	1225	1401.7	1225
2024-09-01	1324.8	1225	1401.7	1225
2024-08-01	1324.8	1225	1401.7	1225
2024-07-01	1324.8	1225	1401.7	1225
2024-06-01	1324.8	1225	1401.7	1225
2024-08-01	1324.8	1225	1401.7	1225
2024-04-01	1324.8	1225	1401.7	1225
2024-03-01	1324.8	1225	1401.7	1225
2024-02-01	1324.8	1225	1401.7	1225
2024-01-01	1324.8	1225	1401.7	1225
2023-12-01	1324.8	1225	1372.5	1225
2023-11-01	1324.8	1225	1372.5	1225

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	Nelson Mandela Rapid 2019 (Open)	2019-03-02	2019-03-02	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis
2	Strategema Robertson 2018 (Open)	2018-09-08	2018-09-08	Rapid	Cape Winelands (WCW)	3	3	2.5	Yes	Analysis
3	Strategema Club 2018 (Open)	2018-03-10	2018-03-10	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
4	Mandela Drakenstein Mgt Area Rapid Chess 2018 (Open)	2018-02-03	2018-02-03	Rapid	Cape Winelands (WCW)	7	6	4	Yes	Analysis

#	Games	Start				End
1	11	Tournament Mandela Drakenstein Mgt Area Rapid Chess 2018				Tournament Strategema Robertson 2018
		date 2018-02-03	rnd 4	type Rapid	result 1	date 2018-09-08	rnd 3	type Rapid	result 1
		Opponent De Jong, I (Ian)				Opponent Simpson, O (Owen)
2	1	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 4	type Rapid	result 1	date 2019-03-02	rnd 4	type Rapid	result 1
		Opponent Joseph, JMA (Juanbrey)				Opponent Joseph, JMA (Juanbrey)
3	1	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 2	type Rapid	result 1	date 2019-03-02	rnd 2	type Rapid	result 1
		Opponent Van Der Walt, P (Pieter)				Opponent Van Der Walt, P (Pieter)

No games found.

#	Games	Start				End

#	Games	Start				End
1	11	Tournament Mandela Drakenstein Mgt Area Rapid Chess 2018				Tournament Strategema Robertson 2018
		date 2018-02-03	rnd 4	type Rapid	result 1	date 2018-09-08	rnd 3	type Rapid	result 1
		Opponent De Jong, I (Ian)				Opponent Simpson, O (Owen)
2	1	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 4	type Rapid	result 1	date 2019-03-02	rnd 4	type Rapid	result 1
		Opponent Joseph, JMA (Juanbrey)				Opponent Joseph, JMA (Juanbrey)
3	1	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 2	type Rapid	result 1	date 2019-03-02	rnd 2	type Rapid	result 1
		Opponent Van Der Walt, P (Pieter)				Opponent Van Der Walt, P (Pieter)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Mandela Drakenstein Mgt Area Rapid Chess 2018				Tournament Strategema Club 2018
		date 2018-02-03	rnd 4	type Rapid	result 1	date 2018-03-10	rnd 5	type Rapid	result 1
		Opponent De Jong, I (Ian)				Opponent Joseph, JMA (Juanbrey)
2	2	Tournament Strategema Robertson 2018				Tournament Strategema Robertson 2018
		date 2018-09-08	rnd 2	type Rapid	result 1	date 2018-09-08	rnd 3	type Rapid	result 1
		Opponent Hendriks, B (Breyten)				Opponent Simpson, O (Owen)
3	1	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 4	type Rapid	result 1	date 2019-03-02	rnd 4	type Rapid	result 1
		Opponent Joseph, JMA (Juanbrey)				Opponent Joseph, JMA (Juanbrey)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Mandela Drakenstein Mgt Area Rapid Chess 2018				Tournament Strategema Club 2018
		date 2018-02-03	rnd 4	type Rapid	result 1	date 2018-03-10	rnd 5	type Rapid	result 1
		Opponent De Jong, I (Ian)				Opponent Joseph, JMA (Juanbrey)
2	2	Tournament Strategema Robertson 2018				Tournament Strategema Robertson 2018
		date 2018-09-08	rnd 2	type Rapid	result 1	date 2018-09-08	rnd 3	type Rapid	result 1
		Opponent Hendriks, B (Breyten)				Opponent Simpson, O (Owen)
3	1	Tournament Nelson Mandela Rapid 2019				Tournament Nelson Mandela Rapid 2019
		date 2019-03-02	rnd 4	type Rapid	result 1	date 2019-03-02	rnd 4	type Rapid	result 1
		Opponent Joseph, JMA (Juanbrey)				Opponent Joseph, JMA (Juanbrey)

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	Joseph ,JMA (Juanbrey Mary-Anne)	2	2	425	0	0	0	2	2	425	0	0	0
1	Joseph ,JMA (Juanbrey Mary-Anne)	2	1195.1	1620.1	0	0	0	2	1192.8	1620.1	0	0	0
2	October ,JW (Jonathan William)	1	1	425	0	0	0	1	1	425	0	0	0
2	October ,JW (Jonathan William)	1	1172	1597	0	0	0	1	1172	1597	0	0	0
3	Scheepers ,J (Julian)	1	1	425	0	0	0	1	1	425	0	0	0
3	Scheepers ,J (Julian)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
4	De Jager ,LJ (Luan Johannes)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	De Jager ,LJ (Luan Johannes)	1	1836.6	1411.6	0	0	0	1	1787.5	1411.6	0	0	0
5	Brown ,SC (Shaun Christo)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Brown ,SC (Shaun Christo)	1	1821.3	1396.3	0	0	0	1	1846.8	1396.3	0	0	0
6	Abrahams ,R (Rieyaad)	1	1	425	0	0	0	1	1	425	0	0	0
6	Abrahams ,R (Rieyaad)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Hendriks ,B (Breyten)	1	1	425	0	0	0	1	1	425	0	0	0
7	Hendriks ,B (Breyten)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Joseph ,S (Shannon)	1	1	425	0	0	0	1	1	425	0	0	0
8	Joseph ,S (Shannon)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Steenkamp ,E (Eugene)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Steenkamp ,E (Eugene)	1	1403.4	978.4	0	0	0	1	1385.3	978.4	0	0	0
10	Van Der Merwe ,RH (Riaan Heinrich)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
10	Van Der Merwe ,RH (Riaan Heinrich)	1	1210.3	1210.3	0	0	0	1	1200	1210.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Harris, DH (David Harry)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms