Chess South Africa Ratings Database

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Personal

Jara, I (Iviwe)

Chess SA id

2110133358

FIDE id

Date of birth

2011-03-18 (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

31.5

Junior GPX Points

1160.7

Item	Main	Standard	Rapid	Blitz
Rating	1383.9	1419	1248.8	1200
Raw rating	1383.9	1408.1	1248.7	1200
Weighted rating	1381.9	1419	1248.8	1200
Weighted performance	1153.4	1183	1094.5	0
Floor	902.9	935.5	818	700
K-factor	32	32	36	36
Min/Max rating change allowed	127.6	123.3	154.7	165.8
Highest rating	1402.9 2025-03-01	1435.5 2024-08-01	1357.6 2022-05-01	1200 2018-10-01
Highest raw rating	1402.9 2025-03-01	1435.5 2024-08-01	1318 2025-03-01	1200 2024-03-01
Highest weighted rating	1402.9 2025-04-01	1435.5 2025-04-01	1318 2024-04-01	1200 2018-10-01
Highest weighted performance	1373 2022-08-01	1406.5 2024-09-01	1357.6 2022-05-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0.8	0.1	0
New rating	1383.9	1418.3	1248.9	1200
Analysis
Rating	1383.9	1419	1248.8	1200
Raw rating	1383.9	1408.1	1248.7	1200
Weighted rating	1381.9	1419	1248.8
Weighted performance	1153.4	1183	1094.5
K-factor	32	32	36	36
Floor	902.9	935.5	818	700
Max/Min rating change allowed	127.6	123.3	154.7	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	1383.9	1408.1	1248.7	1200
New weighted rating	1382.3	1418.3	1248.9	1200
New weighted performance	1152.2	1181.7	1093.2	0
Temp new rating	1383.9	1418.3	1248.9	1200
Temp new rating +/-	0	-0.8	0.1	0
Final new rating +/-	0	-0.8	0.1	0
New rating	1383.9	1418.3	1248.9	1200
New K-factor	32	32	36	36
New floor	902.9	935.5	818	700

Item	Main	Standard	Rapid
	0	0	0
	41	23	18
	17	10	7
	50	22	28
	31	25	6
	0	0	0
History	144	85	59

Games since
	Main 63	Standard 33		Rapid 30		Blitz 0
Gender	Female
Age group	U16
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2340		715		48
Female	411		162		16
U16	360		118		10
U16 Female	84		36		5
Standard
	RSA		Province		Region
Overall	1858		508		25
Female	312		109		7
U16	272		84		7
U16 Female	60		21		3
Rapid
	RSA		Province		Region
Overall	1357		688		89
Female	270		155		31
U16	215		109		16
U16 Female	46		27		8
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	41	22	53.66	31.1	1272.5	1303.6
Standard	23	13	56.52	55.4	1265.4	1320.9
Rapid	18	9	50	0	1281.5	1281.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	144	86.5	60.07	85.6	1245.7	1331.3
Standard	85	54.5	64.12	120	1250	1370
Rapid	59	32	54.24	36	1239.5	1275.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1383.9	1408.1	1248.7	1200
2025-09-01	1360	1385.4	1248.7	1200
2025-08-01	1383	1422.2	1248.7	1200
2025-07-01	1381.1	1419.3	1248.6	1200
2025-06-01	1381.9	1421	1248.3	1200
2025-05-01	1377.2	1417.1	1246.5	1200
2025-04-01	1399.4	1419.2	1318	1200
2025-03-01	1402.9	1432.3	1318	1200
2025-02-01	1392.6	1432.3	1236.6	1200
2025-01-01	1392.6	1432.3	1224.4	1200
2024-12-01	1392.6	1432.3	1224.4	1200
2024-11-01	1392.6	1432.3	1224.4	1200
2024-10-01	1392.6	1432.3	1224.4	1200
2024-09-01	1385.1	1435.5	1224.4	1200
2024-08-01	1385.1	1435.5	1224.4	1200
2024-07-01	1345.7	1407	1224.4	1200
2024-06-01	1345.7	1407	1224.4	1200
2024-08-01	1345.7	1407	1224.4	1200
2024-04-01	1378.5	1407	1260.8	1200
2024-03-01	1378.5	1407	1260.8	1200
2024-02-01	1378.5	1407	1260.8	1200
2024-01-01	1378.5	1407	1260.8	1200
2023-12-01	1378.5	1407	1260.8	1200
2023-11-01	1378.5	1407	1260.8	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	2	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
5	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	6	0.5	Yes	Analysis
6	Overberg Schools - HS Closed 2025 (U15 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
7	Overberg Schools - HS Trials 2025 (U15 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
8	Overberg Schools & Federation Open 2025 (U15)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3.5	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	2	Yes	Analysis
4	Western Cape Schools Individual Championship 2025 (U15 Girls)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	3	Yes	Analysis
5	Hermanus Chess Club Open 2025 (Intermediate)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	6	0.5	Yes	Analysis
6	Overberg Schools - HS Closed 2025 (U15 Girls)	2025-03-22	2025-03-22	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
7	Overberg Schools - HS Trials 2025 (U15 Girls)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	5	Yes	Analysis
8	Overberg Schools & Federation Open 2025 (U15)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
9	Kleinmond Chess Club Open 2024 (U14)	2024-09-07	2024-09-07	Rapid	Overberg (WOS)	6	0	0	No	Analysis
10	Western Cape Top Schools Championship 2024 (U13 Girls)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	4	Yes	Analysis
11	Overberg Schools - Top Schools 2024 (U9-U15 Girls)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	4	4	Yes	Analysis
12	Hermanus Chess Club Open 2024 (Intermediate)	2024-04-20	2024-04-20	Rapid	Overberg (WOS)	7	7	3	Yes	Analysis
13	Bonnievale Open Rapid 2023 (U14)	2023-10-21	2023-10-21	Rapid	Cape Winelands (WCW)	6	5	3	Yes	Analysis
14	Western Cape Top Schools 2023 (U13 Girls)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	6	5	Yes	Analysis
15	Overberg Top Schools 2023 (U13)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
16	Overberg Club Championships 2023 (A+B)	2023-07-29	2023-07-29	Rapid	Overberg (WOS)	5	5	1.5	Yes	Analysis
17	Zwelihle Chess Club Rapid 2023 (C)	2023-06-17	2023-06-17	Rapid	Overberg (WOS)	6	6	3.5	Yes	Analysis
18	Western Cape PS Individuals 2023 (U13 Girls)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
19	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
20	Overberg School Chess Closed Tournament 2023 (U13 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
21	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
22	Western Cape Top Schools 2022 (U11 Girls)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
23	Overberg Topskole 2022 (O11)	2022-08-30	2022-08-30	Standard	Overberg (WOS)	6	3	3	Yes	Analysis
24	South African Open 2022 (U12)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
25	The Hermanus Open 2022 (U12)	2022-05-14	2022-05-14	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
26	Western Cape Schools 2022 (U11 Girls)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
27	Overberg Primary Schools Closed 2022 (U11 Girls)	2022-03-12	2022-03-12	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
28	Overberg Closed 2020 (U9 Girls)	2020-03-15	2020-03-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Western Cape Top Schools Championship 2024				Tournament Overberg Schools & Federation Open 2025
		date 2024-08-30	rnd 2	type Standard	result 0.5	date 2025-02-01	rnd 3	type Rapid	result 0.5
		Opponent Du Preez, A (Alet)				Opponent Scholtz, F (Francois)
2	6	Tournament South African Open 2022				Tournament Western Cape Top Schools 2022
		date 2022-07-13	rnd 6	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Dadaker, M (Mohammed)				Opponent Bouwer, C (Cecile)
3	5	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Linde, M (Morgan)				Opponent Glaser, M (Maya)

#	Games	Start				End
1	7	Tournament Western Cape Top Schools Championship 2024				Tournament Overberg Schools - HS Closed 2025
		date 2024-08-30	rnd 2	type Standard	result 0.5	date 2025-03-22	rnd 2	type Standard	result 1
		Opponent Du Preez, A (Alet)				Opponent Madungwe, P (Primrose)
2	6	Tournament South African Open 2022				Tournament Western Cape Top Schools 2022
		date 2022-07-13	rnd 6	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Dadaker, M (Mohammed)				Opponent Bouwer, C (Cecile)
3	5	Tournament Western Cape Top Schools 2023				Tournament Overberg Schools - Top Schools 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Klopper, E (Elzaan)				Opponent Mngqingo, L (Linathi)

#	Games	Start				End
1	4	Tournament Hermanus Rapid 2023				Tournament Zwelihle Chess Club Rapid 2023
		date 2023-04-22	rnd 5	type Rapid	result 1	date 2023-06-17	rnd 2	type Rapid	result 1
		Opponent Roux, M (Martin)				Opponent Momoza, O (Onesimo)
2	3	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 3	type Rapid	result 1
		Opponent Collins, X (Xiane)				Opponent Magida, S (Sinawo)
3	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 1	type Rapid	result 1	date 2025-02-01	rnd 3	type Rapid	result 0.5
		Opponent Nieman, S (Shannon)				Opponent Scholtz, F (Francois)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament South African Open 2022				Tournament Western Cape Top Schools 2022
		date 2022-07-13	rnd 6	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Dadaker, M (Mohammed)				Opponent Bouwer, C (Cecile)
2	5	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Linde, M (Morgan)				Opponent Glaser, M (Maya)
3	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 Dabula, L (Liyabona)				Opponent Van Zyl, N (Nina)

#	Games	Start				End
1	6	Tournament South African Open 2022				Tournament Western Cape Top Schools 2022
		date 2022-07-13	rnd 6	type Standard	result 1	date 2022-09-17	rnd 2	type Standard	result 1
		Opponent Dadaker, M (Mohammed)				Opponent Bouwer, C (Cecile)
2	5	Tournament Western Cape Top Schools 2023				Tournament Overberg Schools - Top Schools 2024
		date 2023-09-03	rnd 6	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Klopper, E (Elzaan)				Opponent Mngqingo, L (Linathi)
3	5	Tournament Overberg Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-08-05	rnd 5	type Standard	result 1	date 2023-09-02	rnd 4	type Standard	result 1
		Opponent Linde, M (Morgan)				Opponent Glaser, M (Maya)

#	Games	Start				End
1	4	Tournament Hermanus Rapid 2023				Tournament Zwelihle Chess Club Rapid 2023
		date 2023-04-22	rnd 5	type Rapid	result 1	date 2023-06-17	rnd 2	type Rapid	result 1
		Opponent Roux, M (Martin)				Opponent Momoza, O (Onesimo)
2	3	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 3	type Rapid	result 1
		Opponent Collins, X (Xiane)				Opponent Magida, S (Sinawo)
3	3	Tournament The Hermanus Open 2022				Tournament The Hermanus Open 2022
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2022-05-14	rnd 5	type Rapid	result 1
		Opponent Van Zyl, J (Johannes)				Opponent Foye, L (Logan)

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	Lusawana ,A (Asonele)	5	0.5	-340	3	0	-425	2	0.5	-212.5	0	0	0
1	Lusawana ,A (Asonele)	5	1358.6	1018.6	3	1270.8	933.6	2	1393.2	1146.1	0	0	0
2	Linde ,M (Morgan)	4	1	-212.5	3	1	-141.7	1	0	-425	0	0	0
2	Linde ,M (Morgan)	4	1340.4	1127.9	3	1291.5	1198.7	1	1310.3	915.4	0	0	0
3	Rasekgololo ,A (Ayanda)	4	3	212.5	3	2	141.7	1	1	425	0	0	0
3	Rasekgololo ,A (Ayanda)	4	1154.8	1367.3	3	1133.4	1296.5	1	1146.3	1579.8	0	0	0
4	Van Der Linde ,L (Luandi)	3	3	425	3	3	425	0	0	0	0	0	0
4	Van Der Linde ,L (Luandi)	3	1215.4	1640.4	3	1216.3	1640.4	0	0	0	0	0	0
5	Arendse ,M (Michaely)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Arendse ,M (Michaely)	2	1415.8	990.8	2	1375.8	990.8	0	0	0	0	0	0
6	Goniwe ,I (Imange)	2	2	425	2	2	425	0	0	0	0	0	0
6	Goniwe ,I (Imange)	2	1117.4	1542.4	2	1120	1542.4	0	0	0	0	0	0
7	Glaser ,M (Maya)	2	2	425	2	2	425	0	0	0	0	0	0
7	Glaser ,M (Maya)	2	1187.2	1612.2	2	1215.9	1612.2	0	0	0	0	0	0
8	Du Preez ,A (Alet)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Du Preez ,A (Alet)	2	1313.9	1526.4	2	1263.7	1526.4	0	0	0	0	0	0
9	Madungwe ,P (Primrose)	2	2	425	2	2	425	0	0	0	0	0	0
9	Madungwe ,P (Primrose)	2	1195.4	1620.4	2	1195.2	1620.4	0	0	0	0	0	0
10	Dubbeld ,B (Benjamin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
10	Dubbeld ,B (Benjamin)	2	1414.4	989.4	1	1407.6	989.4	1	1418.5	989.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Jara, I (Iviwe)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms