Chess South Africa Ratings Database

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Personal

Somi, O (Onwabe)

Chess SA id

2110152338

FIDE id

Date of birth

2011-06-19 (U16)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1207.8

Item	Main	Standard	Rapid	Blitz
Rating	1342.5	1359	1195.6	1200
Raw rating	1342.5	1359	1195.6	1200
Weighted rating	1289.6	1313.9	1184.2	1200
Weighted performance	1245.5	1252.9	1008.3	0
Floor	842.5	859	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	135.3	132.2	166.9	165.8
Highest rating	1342.5 2025-09-30	1593.3 2024-07-01	1201.2 2023-03-01	1200 2018-10-01
Highest raw rating	1342.5 2025-09-30	1359 2025-09-30	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1289.6 2025-09-30	1313.9 2025-09-30	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1324.7 2025-04-01	1593.3 2024-07-01	1201.2 2023-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1342.5	1359	1195.6	1200
Analysis
Rating	1342.5	1359	1195.6	1200
Raw rating	1342.5	1359	1195.6	1200
Weighted rating	1289.6	1313.9	1184.2
Weighted performance	1245.5	1252.9	1008.3
K-factor	36	36	36	36
Floor	842.5	859	700	700
Max/Min rating change allowed	135.3	132.2	166.9	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	1342.5	1359	1195.6	1200
New weighted rating	1296.4	1320.1	1185.5	1200
New weighted performance	1245	1252.5	1007.9	0
Temp new rating	1342.5	1359	1195.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1342.5	1359	1195.6	1200
New K-factor	36	36	36	36
New floor	842.5	859	700	700

Item	Main	Standard	Rapid
	0	0	0
	35	23	12
	10	10	0
	18	0	18
	0	0	0
	0	0	0
History	63	33	30

Games since
	Main 51	Standard 33		Rapid 18		Blitz 0
Gender	Female
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2752		877		66
Female	517		215		22
U16	433		150		13
U16 Female	106		47		6
Standard
	RSA		Province		Region
Overall	2474		698		41
Female	457		175		12
U16	390		126		10
U16 Female	90		38		5
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	35	21.5	61.43	97.1	1230.3	1327.4
Standard	23	15.5	67.39	147.8	1221.7	1369.5
Rapid	12	6	50	0	1246.8	1246.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	63	39.5	62.7	107.9	1210	1317.9
Standard	33	25.5	77.27	231.8	1204.3	1436.1
Rapid	30	14	46.67	-28.3	1216.3	1188
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1342.5	1359	1195.6	1200
2025-09-01	1308.8	1320.1	1195.6	1200
2025-08-01	1325.6	1343.4	1195.6	1200
2025-07-01	1325.6	1343.4	1195.6	1200
2025-06-01	1297.9	1314	1195.6	1200
2025-05-01	1297.9	1314	1195.6	1200
2025-04-01	1324.7	1357.4	1195.6	1200
2025-03-01	1293.1	1347.3	1195.6	1200
2025-02-01	1313.3	1347.3	1170.4	1200
2025-01-01	1313.3	1347.3	1170.4	1200
2024-12-01	1313.3	1347.3	1170.4	1200
2024-11-01	1313.3	1347.3	1170.4	1200
2024-10-01	1313.3	1347.3	1170.4	1200
2024-09-01	1238.6	1264.1	1170.4	1200
2024-08-01	1238.6	1264.1	1170.4	1200
2024-07-01	1181.8	1200	1170.4	1200
2024-06-01	1181.8	1200	1170.4	1200
2024-08-01	1181.8	1200	1170.4	1200
2024-04-01	1181.8	1200	1170.4	1200
2024-03-01	1181.8	1200	1170.4	1200
2024-02-01	1181.8	1200	1170.4	1200
2024-01-01	1181.8	1200	1170.4	1200
2023-12-01	1181.8	1200	1170.4	1200
2023-11-01	1181.8	1200	1170.4	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	Western Cape Schools - Top Schools 2025 (U15 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	3	3	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Cape Town Chess Junior League 2025 (U16)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
5	Overberg Schools - HS Closed 2025 (U15 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
6	Overberg Schools - HS Trials 2025 (U15 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
7	Overberg Schools & Federation Open 2025 (U15)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U15 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	5	3	3	Yes	Analysis
2	Overberg Top Schools 2025 (U15-U19 Girls)	2025-08-02	2025-08-02	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
3	Cape Town Chess Junior League 2025 (U16)	2025-05-10	2025-05-31	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
5	Overberg Schools - HS Closed 2025 (U15 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
6	Overberg Schools - HS Trials 2025 (U15 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
7	Overberg Schools & Federation Open 2025 (U15)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
8	Western Cape Top Schools Championship 2024 (U13 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	6	Yes	Analysis
9	Overberg Schools - Top Schools 2024 (U9-U15 Girls)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
10	Bonnievale Open Rapid 2023 (U14)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
11	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis
12	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis

#	Games	Start				End
1	14	Tournament Bonnievale Open Rapid 2023				Tournament Overberg Schools & Federation Open 2025
		date 2023-10-21	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent De Wet, J (Janien)				Opponent Potgieter, D (Divan)
2	4	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Dzadza, O (Olithemba)				Opponent Karsten, K (Kristen)
3	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-04-27	rnd 6	type Standard	result 0.5	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent October, A (Azraa)				Opponent Sinclair, D (Dino)

#	Games	Start				End
1	11	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 1	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Groenewald, J (Jodi)				Opponent Collins, X (Xiane)
2	4	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Dzadza, O (Olithemba)				Opponent Karsten, K (Kristen)
3	3	Tournament Western Cape Schools Individual Championship 2025				Tournament Cape Town Chess Junior League 2025
		date 2025-04-27	rnd 6	type Standard	result 0.5	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent October, A (Azraa)				Opponent Sinclair, D (Dino)

#	Games	Start				End
1	4	Tournament Bonnievale Open Rapid 2023				Tournament Overberg Schools & Federation Open 2025
		date 2023-10-21	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent De Wet, J (Janien)				Opponent Potgieter, D (Divan)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent D`Ambrosio, D (Djuna)				Opponent Swarts, D (Denicka)
3	2	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-03-10	rnd 4	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Hans, P (Petra)				Opponent Nel, A (Anika)

No games found.

#	Games	Start				End

#	Games	Start				End
1	14	Tournament Bonnievale Open Rapid 2023				Tournament Overberg Schools & Federation Open 2025
		date 2023-10-21	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent De Wet, J (Janien)				Opponent Potgieter, D (Divan)
2	4	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Dzadza, O (Olithemba)				Opponent Karsten, K (Kristen)
3	3	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Rock, M (Mieke)				Opponent Pieterse, J (Jay-Leigh)

#	Games	Start				End
1	11	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-07-27	rnd 1	type Standard	result 1	date 2025-03-22	rnd 1	type Standard	result 1
		Opponent Groenewald, J (Jodi)				Opponent Collins, X (Xiane)
2	4	Tournament Overberg Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 1
		Opponent Dzadza, O (Olithemba)				Opponent Karsten, K (Kristen)
3	3	Tournament Overberg Schools - HS Closed 2025				Tournament Overberg Schools - HS Closed 2025
		date 2025-03-22	rnd 3	type Standard	result 1	date 2025-03-22	rnd 5	type Standard	result 1
		Opponent Rock, M (Mieke)				Opponent Pieterse, J (Jay-Leigh)

#	Games	Start				End
1	4	Tournament Bonnievale Open Rapid 2023				Tournament Overberg Schools & Federation Open 2025
		date 2023-10-21	rnd 5	type Rapid	result 1	date 2025-02-01	rnd 2	type Rapid	result 1
		Opponent De Wet, J (Janien)				Opponent Potgieter, D (Divan)
2	2	Tournament Overberg Schools - HS Trials 2025				Tournament Overberg Schools - HS Trials 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent D`Ambrosio, D (Djuna)				Opponent Swarts, D (Denicka)
3	2	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-03-10	rnd 4	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Hans, P (Petra)				Opponent Nel, A (Anika)

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	Macamba ,L (Liso)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Macamba ,L (Liso)	3	1397.9	972.9	0	0	0	3	1326.5	972.9	0	0	0
2	Otto ,J (Johanne)	2	2	425	2	2	425	0	0	0	0	0	0
2	Otto ,J (Johanne)	2	1082.2	1507.2	2	1059.9	1507.2	0	0	0	0	0	0
3	Collins ,X (Xiane)	2	2	425	2	2	425	0	0	0	0	0	0
3	Collins ,X (Xiane)	2	1196.5	1621.5	2	1139.9	1621.5	0	0	0	0	0	0
4	Pieterse ,J (Jay-Leigh)	2	1	0	2	1	0	0	0	0	0	0	0
4	Pieterse ,J (Jay-Leigh)	2	1138.4	1138.4	2	1086.4	1138.4	0	0	0	0	0	0
5	Lusawana ,A (Asonele)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Lusawana ,A (Asonele)	2	1455.1	1030.1	1	1434.9	1030.1	1	1371.3	1030.1	0	0	0
6	Mazala ,A (Asakhe)	2	1	0	1	1	425	1	0	-425	0	0	0
6	Mazala ,A (Asakhe)	2	1045.2	1045.2	1	967.4	1470.2	1	1174	620.2	0	0	0
7	Rolobane ,A (Avuyile)	2	0	-425	0	0	0	2	0	-425	0	0	0
7	Rolobane ,A (Avuyile)	2	1146.9	721.9	0	0	0	2	1194.8	721.9	0	0	0
8	Nel ,A (Anika)	2	2	425	0	0	0	2	2	425	0	0	0
8	Nel ,A (Anika)	2	1141.9	1566.9	0	0	0	2	1163.2	1566.9	0	0	0
9	Hendricks ,L (Lakeisha)	2	0	-425	0	0	0	2	0	-425	0	0	0
9	Hendricks ,L (Lakeisha)	2	1183.4	758.4	0	0	0	2	1190.5	758.4	0	0	0
10	Bowman ,F (Fuqaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bowman ,F (Fuqaan)	1	1283.5	858.5	1	1261.8	858.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Somi, O (Onwabe)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms