Chess South Africa Ratings Database

PLAYER PAGE

Personal

Harris, O (Oliver)

Chess SA id

1050113409

FIDE id

Date of birth

2005-12-09 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1158.8	1152.4	1200	1200
Raw rating	1158.8	1152.4	1200	1200
Weighted rating	1158.8	1152.4	1200	1200
Weighted performance	250.9	249.9	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	175.8	177.5	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
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	1158.8	1152.4	1200	1200
Analysis
Rating	1158.8	1152.4	1200	1200
Raw rating	1158.8	1152.4	1200	1200
Weighted rating	1158.8	1152.4	1200
Weighted performance	250.9	249.9	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	175.8	177.5	165.8	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	1158.8	1152.4	1200	1200
New weighted rating	1158.8	1152.4	1200	1200
New weighted performance	244.1	243.2	0	0
Temp new rating	1158.8	1152.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1158.8	1152.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	25	12.5	50	0	1118.5	1118.5
Standard	25	12.5	50	0	1118.5	1118.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1158.8	1152.4	1200	1200
2025-09-30	1158.8	1152.4	1200	1200
2025-09-01	1158.8	1152.4	1200	1200
2025-08-01	1158.8	1152.4	1200	1200
2025-07-01	1158.8	1152.4	1200	1200
2025-06-01	1158.8	1152.4	1200	1200
2025-05-01	1158.8	1152.4	1200	1200
2025-04-01	1158.8	1152.4	1200	1200
2025-03-01	1158.8	1152.4	1200	1200
2025-02-01	1158.8	1152.4	1200	1200
2025-01-01	1158.8	1152.4	1200	1200
2024-12-01	1158.8	1152.4	1200	1200
2024-11-01	1158.8	1152.4	1200	1200
2024-10-01	1158.8	1152.4	1200	1200
2024-09-01	1158.8	1152.4	1200	1200
2024-08-01	1158.8	1152.4	1200	1200
2024-07-01	1158.8	1152.4	1200	1200
2024-09-01	1158.8	1152.4	1200	1200
2024-05-01	1158.8	1152.4	1200	1200
2024-04-01	1158.8	1152.4	1200	1200
2024-03-01	1158.8	1152.4	1200	1200
2024-02-01	1158.8	1152.4	1200	1200
2024-01-01	1158.8	1152.4	1200	1200
2023-12-01	1158.8	1152.4	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	JNW Chess Club - Muldersdrif 2019 (B)	2019-10-18	2019-10-18	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	Chessnuts Under 1200 Rated Tournament 2019 (Knights)	2019-07-13	2019-07-13	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
3	JNW Club - Hoerskool Linden 2019 (D)	2019-06-15	2019-06-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	The King`s Cup League 2019 (B)	2019-05-18	2019-05-18	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
5	JNW Club - Bryanston Open 2 2019 (D)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Chessnuts Under 1200 Rated Tournament 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 4	type Standard	result 1
		Opponent Maharaj, A (Arya)				Opponent Mitchell, D (Dylan)
2	2	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 3	type Standard	result 1	date 2019-10-18	rnd 4	type Standard	result 1
		Opponent Mupalala, K (Kenzo)				Opponent Van Der Sandt, I (Iliana)
3	2	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Hoerskool Linden 2019
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-06-15	rnd 4	type Standard	result 1
		Opponent Caroto, K (Konrad)				Opponent Peete, O (Ofentse)

#	Games	Start				End
1	4	Tournament Chessnuts Under 1200 Rated Tournament 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 4	type Standard	result 1
		Opponent Maharaj, A (Arya)				Opponent Mitchell, D (Dylan)
2	2	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 3	type Standard	result 1	date 2019-10-18	rnd 4	type Standard	result 1
		Opponent Mupalala, K (Kenzo)				Opponent Van Der Sandt, I (Iliana)
3	2	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Hoerskool Linden 2019
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-06-15	rnd 4	type Standard	result 1
		Opponent Caroto, K (Konrad)				Opponent Peete, O (Ofentse)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Chessnuts Under 1200 Rated Tournament 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 4	type Standard	result 1
		Opponent Maharaj, A (Arya)				Opponent Mitchell, D (Dylan)
2	2	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 3	type Standard	result 1	date 2019-10-18	rnd 4	type Standard	result 1
		Opponent Mupalala, K (Kenzo)				Opponent Van Der Sandt, I (Iliana)
3	2	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Hoerskool Linden 2019
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-06-15	rnd 4	type Standard	result 1
		Opponent Caroto, K (Konrad)				Opponent Peete, O (Ofentse)

#	Games	Start				End
1	4	Tournament Chessnuts Under 1200 Rated Tournament 2019				Tournament Chessnuts Under 1200 Rated Tournament 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 4	type Standard	result 1
		Opponent Maharaj, A (Arya)				Opponent Mitchell, D (Dylan)
2	2	Tournament JNW Chess Club - Muldersdrif 2019				Tournament JNW Chess Club - Muldersdrif 2019
		date 2019-10-18	rnd 3	type Standard	result 1	date 2019-10-18	rnd 4	type Standard	result 1
		Opponent Mupalala, K (Kenzo)				Opponent Van Der Sandt, I (Iliana)
3	2	Tournament JNW Club - Hoerskool Linden 2019				Tournament JNW Club - Hoerskool Linden 2019
		date 2019-06-15	rnd 3	type Standard	result 1	date 2019-06-15	rnd 4	type Standard	result 1
		Opponent Caroto, K (Konrad)				Opponent Peete, O (Ofentse)

No games found.

#	Games	Start				End

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	De Abreu ,A (Alexia Sally)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	De Abreu ,A (Alexia Sally)	1	677.6	252.6	1	709.2	252.6	0	0	0	0	0	0
2	Mitchell ,D (Dylan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mitchell ,D (Dylan)	1	1165.1	1590.1	1	1153.6	1590.1	0	0	0	0	0	0
3	Suresh ,A (Aaradhya)	1	1	425	1	1	425	0	0	0	0	0	0
3	Suresh ,A (Aaradhya)	1	1318.6	1743.6	1	1309.6	1743.6	0	0	0	0	0	0
4	Mari ,P (Perveshan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mari ,P (Perveshan)	1	1182.4	757.4	1	1179.2	757.4	0	0	0	0	0	0
5	Fauconier ,C (Caley)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Fauconier ,C (Caley)	1	1143.9	718.9	1	1148.3	718.9	0	0	0	0	0	0
6	Sedingwe ,O (Onalerona)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sedingwe ,O (Onalerona)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Mazibuko ,T (Themba)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mazibuko ,T (Themba)	1	1254.4	829.4	1	1256.5	829.4	0	0	0	0	0	0
8	Moraba ,K (Kyla)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moraba ,K (Kyla)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Jacobs ,H (Hanno)	1	1	425	1	1	425	0	0	0	0	0	0
9	Jacobs ,H (Hanno)	1	1163.5	1588.5	1	1153.2	1588.5	0	0	0	0	0	0
10	Botha ,M (Marcus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Botha ,M (Marcus)	1	1077.4	652.4	1	1074.2	652.4	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

Harris, O (Oliver)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms