Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nguba, O (Olivier)

Chess SA id

1090155613

FIDE id

Date of birth

2009-06-09 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1183.4	1193.2	1184.4	1200
Raw rating	1147.6	1148.5	1184.4	1200
Weighted rating	1183.4	1193.2	1184.3	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.7	178.4	169.6	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 2024-02-01	1200 2019-12-01	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 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.1	-3.8	0	0
New rating	1180.4	1189.4	1184.4	1200
Analysis
Rating	1183.4	1193.2	1184.4	1200
Raw rating	1147.6	1148.5	1184.4	1200
Weighted rating	1183.4	1193.2	1184.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.7	178.4	169.6	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	1147.6	1148.5	1184.4	1200
New weighted rating	1180.4	1189.4	1184.3	1200
New weighted performance	0	0	0	0
Temp new rating	1180.4	1189.4	1184.4	1200
Temp new rating +/-	-3.1	-3.8	0	0
Final new rating +/-	-3.1	-3.8	0	0
New rating	1180.4	1189.4	1184.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	7	7	0
	0	0	0
	5	0	5
	0	0	0
	0	0	0
History	12	7	5

Games since
	Main 7	Standard 7		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	7	1.5	21.43	-242.9	1268.6	1025.7
Standard	7	1.5	21.43	-242.9	1268.6	1025.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	3.5	29.17	-177.1	1241.3	1064.2
Standard	7	1.5	21.43	-242.9	1268.6	1025.7
Rapid	5	2	40	-85	1203.1	1118.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1147.6	1148.5	1184.4	1200
2025-09-30	1174.7	1182	1184.4	1200
2025-09-01	1174.7	1182	1184.4	1200
2025-08-01	1188.9	1200	1184.4	1200
2025-07-01	1188.9	1200	1184.4	1200
2025-06-01	1188.9	1200	1184.4	1200
2025-05-01	1188.9	1200	1184.4	1200
2025-04-01	1188.9	1200	1184.4	1200
2025-03-01	1188.9	1200	1184.4	1200
2025-02-01	1188.9	1200	1184.4	1200
2025-01-01	1188.8	1200	1184.2	1200
2024-12-01	1188.8	1200	1184.2	1200
2024-11-01	1188.8	1200	1184.2	1200
2024-10-01	1188.8	1200	1184.2	1200
2024-09-01	1188.8	1200	1184.2	1200
2024-08-01	1188.8	1200	1184.2	1200
2024-07-01	1188.8	1200	1184.2	1200
2024-09-01	1188.8	1200	1184.2	1200
2024-05-01	1188.8	1200	1184.2	1200
2024-04-01	1188.8	1200	1184.2	1200
2024-03-01	1188.8	1200	1184.2	1200
2024-02-01	1188.8	1200	1184.2	1200
2024-01-01	1188.8	1200	1184.2	1200
2023-12-01	1188.8	1200	1184.2	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	2025 Gauteng Top Schools Teams (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	D5 Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	2	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U19)	2025-08-30	2025-08-30	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
2	D5 Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	3	2	0.5	Yes	Analysis
3	Gauteng Open Arnold Classic 2023 (U16)	2023-05-19	2023-05-19	Rapid	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2025 Gauteng Top Schools Teams				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-30	rnd 5	type Standard	result 1	date 2025-08-30	rnd 5	type Standard	result 1
		Opponent Dadi, J (Joshua)				Opponent Dadi, J (Joshua)
2	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 2	type Standard	result 0.5
		Opponent Msibiringi, U (Unarine)				Opponent Msibiringi, U (Unarine)
3	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 3	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Marallich, E (Eli)				Opponent Marallich, E (Eli)

#	Games	Start				End
1	1	Tournament D5 Teams 2025				Tournament D5 Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 0.5	date 2025-08-16	rnd 2	type Standard	result 0.5
		Opponent Msibiringi, U (Unarine)				Opponent Msibiringi, U (Unarine)

#	Games	Start				End
1	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 3	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Marallich, E (Eli)				Opponent Marallich, E (Eli)
2	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 1	type Rapid	result 1
		Opponent Smith, H (Henre)				Opponent Smith, H (Henre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 3	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Marallich, E (Eli)				Opponent Marallich, E (Eli)
2	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 1	type Rapid	result 1
		Opponent Smith, H (Henre)				Opponent Smith, H (Henre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 3	type Rapid	result 1	date 2023-05-19	rnd 3	type Rapid	result 1
		Opponent Marallich, E (Eli)				Opponent Marallich, E (Eli)
2	1	Tournament Gauteng Open Arnold Classic 2023				Tournament Gauteng Open Arnold Classic 2023
		date 2023-05-19	rnd 1	type Rapid	result 1	date 2023-05-19	rnd 1	type Rapid	result 1
		Opponent Smith, H (Henre)				Opponent Smith, H (Henre)

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	Mtimkulu ,L (Lerato)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Mtimkulu ,L (Lerato)	1	1552.8	1127.8	1	1561.4	1127.8	0	0	0	0	0	0
2	Shabalala ,S (Siyabonga)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Shabalala ,S (Siyabonga)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Meyer ,C (Cayden)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Meyer ,C (Cayden)	1	1327.2	902.2	1	1341.7	902.2	0	0	0	0	0	0
4	Sendowooza ,R (Roland)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Sendowooza ,R (Roland)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Msibiringi ,U (Unarine)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Msibiringi ,U (Unarine)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Dadi ,J (Joshua)	1	1	425	1	1	425	0	0	0	0	0	0
6	Dadi ,J (Joshua)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Amukelani ,M (Mathebula)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Amukelani ,M (Mathebula)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Marallich ,E (Eli)	1	1	425	0	0	0	1	1	425	0	0	0
8	Marallich ,E (Eli)	1	1098.2	1523.2	0	0	0	1	1200	1523.2	0	0	0
9	Kriel ,D (Devin)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Kriel ,D (Devin)	1	1258.5	833.5	0	0	0	1	1179.6	833.5	0	0	0
10	Smith ,H (Henre)	1	1	425	0	0	0	1	1	425	0	0	0
10	Smith ,H (Henre)	1	1184.3	1609.3	0	0	0	1	1320	1609.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Nguba, O (Olivier)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms