Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sonaba, L (Libhongo)

Chess SA id

1080116646

FIDE id

Date of birth

2008-01-19 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-22

Personal details last changed

2025-03-07

Junior GPX Games

Junior GPX Points

922.1

Item	Main	Standard	Rapid	Blitz
Rating	1245	1197.5	1271.2	1200
Raw rating	1245	1197.5	1271.2	1200
Weighted rating	1244.9	1197.4	1271.1	1200
Weighted performance	911.5	791	1025.3	0
Floor	796.5	747.8	822.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.5	166.4	149.8	165.8
Highest rating	1379 2019-07-01	1374.1 2019-07-01	1412.8 2023-02-01	1200 2018-10-01
Highest raw rating	1296.5 2023-04-01	1247.8 2023-04-01	1322.8 2023-03-01	1200 2024-03-01
Highest weighted rating	1296.5 2024-10-01	1247.8 2023-04-01	1322.8 2024-10-01	1200 2018-10-01
Highest weighted performance	1379 2019-07-01	1374.1 2019-07-01	1412.8 2023-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1245	1197.5	1271.2	1200
Analysis
Rating	1245	1197.5	1271.2	1200
Raw rating	1245	1197.5	1271.2	1200
Weighted rating	1244.9	1197.4	1271.1
Weighted performance	911.5	791	1025.3
K-factor	36	36	36	36
Floor	796.5	747.8	822.8	700
Max/Min rating change allowed	155.5	166.4	149.8	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	1245	1197.5	1271.2	1200
New weighted rating	1244.9	1197.4	1271.1	1200
New weighted performance	911.2	790.7	1024.8	0
Temp new rating	1245	1197.5	1271.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1245	1197.5	1271.2	1200
New K-factor	36	36	36	36
New floor	796.5	747.8	822.8	700

Item	Main	Standard	Rapid
	0	0	0
	17	5	12
	0	0	0
	37	16	21
	5	5	0
	5	5	0
History	74	41	33

Games since
	Main 17	Standard 5		Rapid 12		Blitz 0
Gender	Male
Age group	U18
Region	Overberg (WOS)
Province	Western Cape (WC)
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	17	6.5	38.24	-100	1196.3	1096.3
Standard	5	0	0	-425	1186.6	761.6
Rapid	12	6.5	54.17	35.4	1200.3	1235.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	74	35.5	47.97	-17.2	1254.4	1237.2
Standard	41	16	39.02	-93.3	1265.3	1172
Rapid	33	19.5	59.09	77.3	1240.8	1318.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1245	1197.5	1271.2	1200
2025-09-01	1245	1197.5	1271.2	1200
2025-08-01	1245	1197.5	1271.2	1200
2025-07-01	1245	1197.5	1271.2	1200
2025-06-01	1245	1197.5	1271.2	1200
2025-05-01	1244.6	1197.1	1271.2	1200
2025-04-01	1239	1190.9	1271.2	1200
2025-03-01	1245.6	1198.5	1270.6	1200
2025-02-01	1246.1	1198.5	1272.1	1200
2025-01-01	1245.5	1198.1	1270.9	1200
2024-12-01	1245.5	1198.1	1270.9	1200
2024-11-01	1245.5	1198.1	1270.9	1200
2024-10-01	1245.5	1198.1	1270.9	1200
2024-09-01	1245.5	1198.1	1270.9	1200
2024-08-01	1245.5	1198.1	1270.9	1200
2024-07-01	1245.5	1198.1	1270.9	1200
2024-06-01	1245.5	1198.1	1270.9	1200
2024-08-01	1245.5	1198.1	1270.9	1200
2024-04-01	1245.5	1198.1	1270.9	1200
2024-03-01	1245.5	1198.1	1270.9	1200
2024-02-01	1245.5	1198.1	1270.9	1200
2024-01-01	1245.5	1198.1	1270.9	1200
2023-12-01	1245.5	1198.1	1270.9	1200
2023-11-01	1245.5	1198.1	1270.9	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	Overberg Schools - HS Closed 2025 (U17 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	0	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - HS Closed 2025 (U17 Boys)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	0	Yes	Analysis
2	Overberg Schools - HS Trials 2025 (U17 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U17)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
4	Overberg Top Schools 2023 (U15+U18)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
5	Overberg Club Championships 2023 (A+B)	2023-07-29	2023-07-29	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
6	Zwelihle Chess Club Rapid 2023 (A+B)	2023-06-17	2023-06-17	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
7	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
8	Overberg High School Closed 2023 (U15 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
9	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
10	Overberg Schools Open Tournament 2023 (U16)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	5	Yes	Analysis
11	Western Cape Top Schools 2022 (U15 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
12	Kleinmond Open 2021 (U14)	2021-04-17	2021-04-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
13	2019 Western Cape Club Championship (C)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	5	2	1	Yes	Analysis
14	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
15	Overberg Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	5	4	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Loubser, E (Erick)				Opponent Magerman, R (Reginald Francisco)
2	5	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Van Den Berg, R (Rhinus)				Opponent Macibi, M (Masibulele)
3	3	Tournament Kleinmond Open 2021				Tournament Kleinmond Open 2021
		date 2021-04-17	rnd 2	type Standard	result 1	date 2021-04-17	rnd 4	type Standard	result 1
		Opponent Pekeur, I (Iwena)				Opponent Sibeko, M (Mbalntle)

#	Games	Start				End
1	3	Tournament Kleinmond Open 2021				Tournament Kleinmond Open 2021
		date 2021-04-17	rnd 2	type Standard	result 1	date 2021-04-17	rnd 4	type Standard	result 1
		Opponent Pekeur, I (Iwena)				Opponent Sibeko, M (Mbalntle)
2	2	Tournament Western Cape HS Individuals 2023				Tournament Overberg Top Schools 2023
		date 2023-04-02	rnd 6	type Standard	result 0.5	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Mayezana, A (Amila)				Opponent Groenewald, M (Miguel)
3	2	Tournament Overberg High School Closed 2023				Tournament Western Cape HS Individuals 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-04-01	rnd 1	type Standard	result 0.5
		Opponent Wilds, E (Emile)				Opponent Visagie, C (Christopher)

#	Games	Start				End
1	6	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Loubser, E (Erick)				Opponent Magerman, R (Reginald Francisco)
2	5	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Van Den Berg, R (Rhinus)				Opponent Macibi, M (Masibulele)
3	2	Tournament Overberg Club Championships 2023				Tournament Overberg Club Championships 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Kotze, L (Lehandri)				Opponent Oosthuizen, J (Jacques)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Loubser, E (Erick)				Opponent Magerman, R (Reginald Francisco)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-01	rnd 6	type Rapid	result 1
		Opponent Van Den Berg, R (Rhinus)				Opponent Roux, A (Adriaan)
3	3	Tournament Kleinmond Open 2021				Tournament Kleinmond Open 2021
		date 2021-04-17	rnd 2	type Standard	result 1	date 2021-04-17	rnd 4	type Standard	result 1
		Opponent Pekeur, I (Iwena)				Opponent Sibeko, M (Mbalntle)

#	Games	Start				End
1	3	Tournament Kleinmond Open 2021				Tournament Kleinmond Open 2021
		date 2021-04-17	rnd 2	type Standard	result 1	date 2021-04-17	rnd 4	type Standard	result 1
		Opponent Pekeur, I (Iwena)				Opponent Sibeko, M (Mbalntle)
2	2	Tournament Overberg High School Closed 2023				Tournament Overberg High School Closed 2023
		date 2023-03-25	rnd 1	type Standard	result 1	date 2023-03-25	rnd 2	type Standard	result 1
		Opponent Potgieter, PL (Pieter)				Opponent De Kock, S (Sebastian)
3	2	Tournament Overberg Top Schools 2019				Tournament Overberg Top Schools 2019
		date 2019-07-20	rnd 4	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Northman, H (Haylie)				Opponent Bekker, A (Angelica)

#	Games	Start				End
1	6	Tournament Overberg Schools Open Tournament 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-24	rnd 1	type Rapid	result 1
		Opponent Loubser, E (Erick)				Opponent Magerman, R (Reginald Francisco)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 4	type Rapid	result 1	date 2025-02-01	rnd 6	type Rapid	result 1
		Opponent Van Den Berg, R (Rhinus)				Opponent Roux, A (Adriaan)
3	2	Tournament Overberg Club Championships 2023				Tournament Overberg Club Championships 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 3	type Rapid	result 1
		Opponent Kotze, L (Lehandri)				Opponent Oosthuizen, J (Jacques)

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	Sibeko ,M (Mbalntle)	3	2	141.7	2	1	0	1	1	425	0	0	0
1	Sibeko ,M (Mbalntle)	3	1225.7	1367.4	2	1217.1	1225.7	1	796.4	1650.7	0	0	0
2	Potgieter ,PL (Pieter Liam)	3	2	141.7	2	1	0	1	1	425	0	0	0
2	Potgieter ,PL (Pieter Liam)	3	1378.1	1519.8	2	1323.4	1378.1	1	1245.5	1803.1	0	0	0
3	Solomon ,I (Izaiah)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Solomon ,I (Izaiah)	2	1428	1003	2	1396.1	1003	0	0	0	0	0	0
4	Mayezana ,A (Amila)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Mayezana ,A (Amila)	2	1190.2	977.7	2	1153.8	977.7	0	0	0	0	0	0
5	Stephanus ,S (Shagen-Lee)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Stephanus ,S (Shagen-Lee)	2	1174.2	749.2	1	1173.2	749.2	1	1200	749.2	0	0	0
6	Wilds ,E (Emile)	2	2	425	1	1	425	1	1	425	0	0	0
6	Wilds ,E (Emile)	2	1209.1	1634.1	1	1200	1634.1	1	1200	1634.1	0	0	0
7	Van Den Berg ,R (Rhinus)	2	1	0	1	0	-425	1	1	425	0	0	0
7	Van Den Berg ,R (Rhinus)	2	1180.3	1180.3	1	1200	755.3	1	1162.5	1605.3	0	0	0
8	Oosthuizen ,J (Jacques)	2	2	425	0	0	0	2	2	425	0	0	0
8	Oosthuizen ,J (Jacques)	2	1079.6	1504.6	0	0	0	2	1067.6	1504.6	0	0	0
9	Mfenyana ,U (Ukho)	2	1	0	0	0	0	2	1	0	0	0	0
9	Mfenyana ,U (Ukho)	2	1220	1220	0	0	0	2	1223.7	1220	0	0	0
10	Bucchianeri ,J (Jodi)	2	0	-425	0	0	0	2	0	-425	0	0	0
10	Bucchianeri ,J (Jodi)	2	1332.8	907.8	0	0	0	2	1266.6	907.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sonaba, L (Libhongo)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms