Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buthelezi, O (Owethu)

Chess SA id

2110154018

FIDE id

Date of birth

2011-02-12 (U16)

Gender

Female

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1147.3	1167.5	1196.1	1200
Raw rating	1146.8	1167.5	1151.8	1200
Weighted rating	1147.3	1143.5	1196.1	1200
Weighted performance	980.6	959.1	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.9	173.7	177.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	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 2019-12-01	1200 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.3	0	-3.7	0
New rating	1147.6	1167.5	1192.4	1200
Analysis
Rating	1147.3	1167.5	1196.1	1200
Raw rating	1146.8	1167.5	1151.8	1200
Weighted rating	1147.3	1143.5	1196.1
Weighted performance	980.6	959.1	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.9	173.7	177.6	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	1146.8	1167.5	1151.8	1200
New weighted rating	1147.6	1145.8	1192.4	1200
New weighted performance	974.2	952.4	0	0
Temp new rating	1147.6	1167.5	1192.4	1200
Temp new rating +/-	0.3	0	-3.7	0
Final new rating +/-	0.3	0	-3.7	0
New rating	1147.6	1167.5	1192.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	9	9	0
	10	10	0
	0	0	0
	0	0	0
History	29	24	5

Games since
	Main 19	Standard 14		Rapid 5		Blitz 0
Gender	Female
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-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	10	4	40	-85	1234.8	1149.8
Standard	5	3	60	85	1225.8	1310.8
Rapid	5	1	20	-255	1243.8	988.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	10	34.48	-131.9	1223.6	1091.7
Standard	24	9	37.5	-106.2	1219.4	1113.2
Rapid	5	1	20	-255	1243.8	988.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1146.8	1167.5	1151.8	1200
2025-09-30	1169.1	1167.5	1200	1200
2025-09-01	1169.1	1167.5	1200	1200
2025-08-01	1169.1	1167.5	1200	1200
2025-07-01	1169.1	1167.5	1200	1200
2025-06-01	1169.1	1167.5	1200	1200
2025-05-01	1137.5	1129.1	1200	1200
2025-04-01	1137.5	1129.1	1200	1200
2025-03-01	1137.5	1129.1	1200	1200
2025-02-01	1137.5	1129.1	1200	1200
2025-01-01	1129.6	1120.5	1200	1200
2024-12-01	1129.6	1120.5	1200	1200
2024-11-01	1129.6	1120.5	1200	1200
2024-10-01	1129.6	1120.5	1200	1200
2024-09-01	1129.6	1120.5	1200	1200
2024-08-01	1129.6	1120.5	1200	1200
2024-07-01	1129.6	1120.5	1200	1200
2024-09-01	1129.6	1120.5	1200	1200
2024-05-01	1137.4	1129.1	1200	1200
2024-04-01	1137.4	1129.1	1200	1200
2024-03-01	1137.4	1129.1	1200	1200
2024-02-01	1137.4	1129.1	1200	1200
2024-01-01	1159.7	1153.6	1200	1200
2023-12-01	1159.7	1153.6	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EM Somcini Chess 2025 (U14 Girls)	2025-10-11	2025-10-11	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U15A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EM Somcini Chess 2025 (U14 Girls)	2025-10-11	2025-10-11	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	D6 HS Teams Alberton & Germiston 2025 (U15A)	2025-05-17	2025-05-17	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
3	D6 High School Individual Final 2024 (U15 Girls)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
4	2024 Gauteng Inter-Region Chess Championship (U14C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
5	2023 Gauteng Top Schools (U13 Girls)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	2	Yes	Analysis
6	Ekurhuleni Trials 2 2023 (U14)	2023-04-22	2023-04-22	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Nephawe, R (Rotshidzwa)				Opponent Pietersen, M (Michael)
2	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Hlophe, B (Buhle Star)				Opponent Chauke, M (Muhluri)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Mlilo, K (Khensani)				Opponent Gule, S (Siphesihle)

#	Games	Start				End
1	2	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Nephawe, R (Rotshidzwa)				Opponent Pietersen, M (Michael)
2	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Hlophe, B (Buhle Star)				Opponent Chauke, M (Muhluri)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Mlilo, K (Khensani)				Opponent Gule, S (Siphesihle)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Nephawe, R (Rotshidzwa)				Opponent Pietersen, M (Michael)
2	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Hlophe, B (Buhle Star)				Opponent Chauke, M (Muhluri)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Mlilo, K (Khensani)				Opponent Gule, S (Siphesihle)

#	Games	Start				End
1	2	Tournament D6 HS Teams Alberton & Germiston 2025				Tournament D6 HS Teams Alberton & Germiston 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 4	type Standard	result 1
		Opponent Nephawe, R (Rotshidzwa)				Opponent Pietersen, M (Michael)
2	2	Tournament D6 High School Individual Final 2024				Tournament D6 High School Individual Final 2024
		date 2024-05-18	rnd 3	type Standard	result 1	date 2024-05-18	rnd 4	type Standard	result 1
		Opponent Hlophe, B (Buhle Star)				Opponent Chauke, M (Muhluri)
3	2	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-18	rnd 1	type Standard	result 1	date 2023-08-18	rnd 2	type Standard	result 1
		Opponent Mlilo, K (Khensani)				Opponent Gule, S (Siphesihle)

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	Hlophe ,B (Buhle Star)	1	1	425	1	1	425	0	0	0	0	0	0
1	Hlophe ,B (Buhle Star)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Nephawe ,R (Rotshidzwa)	1	1	425	1	1	425	0	0	0	0	0	0
2	Nephawe ,R (Rotshidzwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Nxumalo ,N (Ntokozo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Nxumalo ,N (Ntokozo)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Huebsch ,K (Kaleigh)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Huebsch ,K (Kaleigh)	1	1227	802	1	1233.5	802	0	0	0	0	0	0
5	Abrahams ,A (Amara)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Abrahams ,A (Amara)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Mahlaula ,T (Tokollo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mahlaula ,T (Tokollo)	1	1245.7	820.7	1	1223.6	820.7	0	0	0	0	0	0
7	Cilliers ,M (Mine)	1	1	425	1	1	425	0	0	0	0	0	0
7	Cilliers ,M (Mine)	1	1168.1	1593.1	1	1161.2	1593.1	0	0	0	0	0	0
8	Croukamp ,M (Mikayla)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Croukamp ,M (Mikayla)	1	1391.4	966.4	1	1387.4	966.4	0	0	0	0	0	0
9	Miya ,N (Naledi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Miya ,N (Naledi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Pieterse ,Z (Zandri)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Pieterse ,Z (Zandri)	1	1178.4	753.4	1	1172	753.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Buthelezi, O (Owethu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms