Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ndavala, J (Jeffline)

Chess SA id

205088953

FIDE id

Date of birth

2005-08-05 (Adult)

Gender

Female

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1197.1	1182.6	1182.7	1095.2
Raw rating	1197.1	1182.6	1182.7	1095.2
Weighted rating	1197.1	1182.6	1182.7	1095.2
Weighted performance	803.7	804.1	0	0
Floor	700	700	721.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.5	170	170	192.5
Highest rating	1200 2018-01-01	1200 2018-01-01	1234.2 2018-06-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1221.6 2019-12-01	1200 2019-12-01
Highest weighted rating	1200 2018-01-01	1200 2018-01-01	1221.6 2020-01-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1234.2 2018-06-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1197.1	1182.6	1182.7	1095.2
Analysis
Rating	1197.1	1182.6	1182.7	1095.2
Raw rating	1197.1	1182.6	1182.7	1095.2
Weighted rating	1197.1	1182.6	1182.7
Weighted performance	803.7	804.1	0
K-factor	36	36	36	36
Floor	700	700	721.6	700
Max/Min rating change allowed	166.5	170	170	192.5
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	1197.1	1182.6	1182.7	1095.2
New weighted rating	1197.1	1182.6	1182.7	1095.2
New weighted performance	803.3	803.7	0	0
Temp new rating	1197.1	1182.6	1182.7	1095.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1197.1	1182.6	1182.7	1095.2
New K-factor	36	36	36	36
New floor	700	700	721.6	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	24	14	5	5
	20	15	0	5
	0	0	0	0
History	150	120	20	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult 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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	134	67.5	50.37	3.2	1130.2	1133.3
Standard	109	55.5	50.92	7.8	1119.2	1127
Rapid	15	9	60	85	1074	1159
Blitz	10	3	30	-170	1334.1	1164.1

Date	Main	Standard	Rapid	Blitz
2025-09-30	1197.1	1182.6	1182.7	1095.2
2025-09-01	1197.1	1182.6	1182.7	1095.2
2025-08-01	1197.1	1182.6	1182.7	1095.2
2025-07-01	1197.1	1182.6	1182.7	1095.2
2025-06-01	1197.1	1182.6	1182.7	1095.2
2025-05-01	1197.1	1182.6	1182.7	1095.2
2025-04-01	1197.1	1182.6	1182.7	1095.2
2025-03-01	1197.1	1182.6	1182.7	1095.2
2025-02-01	1197.1	1182.6	1182.7	1095.2
2025-01-01	1197.1	1182.6	1182.7	1095.2
2024-12-01	1197.1	1182.6	1182.7	1095.2
2024-11-01	1197.1	1182.6	1182.7	1095.2
2024-10-01	1197.1	1182.6	1182.7	1095.2
2024-09-01	1197.1	1182.6	1182.7	1095.2
2024-08-01	1197.1	1182.6	1182.7	1095.2
2024-07-01	1197.1	1182.6	1182.7	1095.2
2024-06-01	1197.1	1182.6	1182.7	1095.2
2024-08-01	1197.1	1182.6	1182.7	1095.2
2024-04-01	1197.1	1182.6	1182.7	1095.2
2024-03-01	1197.1	1182.6	1182.7	1095.2
2024-02-01	1197.1	1182.6	1182.7	1095.2
2024-01-01	1197.1	1182.6	1182.7	1095.2
2023-12-01	1197.1	1182.6	1182.7	1095.2
2023-11-01	1197.1	1182.6	1182.7	1095.2

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape HS Individuals 2023 (U19 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
2	Overberg High School Closed 2023 (U19 Girls)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
3	Western Cape Inter Regional 2023 (Junior Girls)	2023-03-18	2023-03-19	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
4	Western Cape Inter Regional 2023 (Blitz)	2023-03-17	2023-03-17	Blitz	Eden (WEG)	5	5	1	Yes	Analysis
5	Overberg High Schools Trails 2023 (U19)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
6	WCCA Rural Cup 2022 (U20)	2022-08-13	2022-08-14	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
7	WCCA Rural Cup Blitz 2022	2022-07-12	2022-07-12	Blitz	Overberg (WOS)	5	5	2	Yes	Analysis
8	Western Cape Schools Chess 2022 (U18 Girls)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	3	Yes	Analysis
9	Western Cape Inter Region Cup 2021 (Ladies)	2022-03-04	2022-03-06	Standard	West Coast (WCU)	5	5	1	Yes	Analysis
10	Western Cape Schools 2020 (U15 Girls)	2020-03-14	2020-03-15	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
11	OCF Chess Tournament 2 2020 (Open)	2020-02-01	2020-02-01	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
12	OCF Open 2020 (U16+U18)	2020-01-25	2020-01-25	Rapid	Overberg (WOS)	5	4	2	Yes	Analysis
13	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
14	Bontebok 2019 (U16)	2019-08-17	2019-08-17	Standard	Overberg (WOS)	5	4	0.5	Yes	Analysis
15	Overberg Club Champs 2019 (B)	2019-06-15	2019-06-15	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
16	Western Cape Schools Individuals 2019 (U15 Girls)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
17	Overberg School Chess Close Champs 2019 (U15 Girls)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
18	South African Junior Team Championships 2018 (U14D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
19	Caledon Casino 2 2018 (Open)	2018-10-20	2018-10-20	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
20	Western Cape Top Schools 2018 (U13 Girls)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
21	VRT Pitt Open 2018 (U14)	2018-06-02	2018-06-02	Rapid	Overberg (WOS)	6	6	4	Yes	Analysis
22	Overberg 3rd Trial 2018 (U14)	2018-05-26	2018-05-26	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
23	Overberg 2nd Trial 2018 (U14)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
24	Western Cape Schools Individuals 2018 (U13 Girls)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
25	Overberg Chess 1st Trial 2018 (A)	2018-04-14	2018-04-14	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
26	Overberg Schools Closed 2018 (U13 Girls)	2018-03-23	2018-03-24	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament Overberg School Chess Close Champs 2019
		date 2018-12-20	rnd 7	type Standard	result 1	date 2019-03-08	rnd 4	type Standard	result 1
		Opponent Losper, S (Simone)				Opponent Green, CL (Carol-Lynne)
2	5	Tournament Caledon Casino 2 2018				Tournament South African Junior Team Championships 2018
		date 2018-10-20	rnd 4	type Standard	result 1	date 2018-12-17	rnd 3	type Standard	result 0.5
		Opponent September, J (Jandre)				Opponent De Beer, SJ (Stefanus)
3	5	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Plaatjies, M (Moirida)				Opponent De Bruyn, G (Genevieve)

#	Games	Start				End
1	5	Tournament South African Junior Team Championships 2018				Tournament Overberg School Chess Close Champs 2019
		date 2018-12-20	rnd 7	type Standard	result 1	date 2019-03-08	rnd 4	type Standard	result 1
		Opponent Losper, S (Simone)				Opponent Green, CL (Carol-Lynne)
2	5	Tournament Caledon Casino 2 2018				Tournament South African Junior Team Championships 2018
		date 2018-10-20	rnd 4	type Standard	result 1	date 2018-12-17	rnd 3	type Standard	result 0.5
		Opponent September, J (Jandre)				Opponent De Beer, SJ (Stefanus)
3	5	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 1	type Standard	result 1	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent Plaatjies, M (Moirida)				Opponent De Bruyn, G (Genevieve)

#	Games	Start				End
1	5	Tournament OCF Open 2020				Tournament Overberg High Schools Trails 2023
		date 2020-01-25	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 0.5
		Opponent Stemmet, Z (Zoe)				Opponent Adams, J (Juvelian)
2	3	Tournament VRT Pitt Open 2018				Tournament OCF Open 2020
		date 2018-06-02	rnd 5	type Rapid	result 1	date 2020-01-25	rnd 1	type Rapid	result 1
		Opponent Januarie, E (Enrique)				Opponent Pekeur, A (Amy)
3	2	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 1	type Rapid	result 1	date 2018-06-02	rnd 2	type Rapid	result 1
		Opponent Jagers, J (John-Lee)				Opponent Joubert, A (Antonio)

#	Games	Start				End
1	1	Tournament Western Cape Inter Regional 2023				Tournament Western Cape Inter Regional 2023
		date 2023-03-17	rnd 5	type Blitz	result 1	date 2023-03-17	rnd 5	type Blitz	result 1
		Opponent Farmer, J (Jaydean)				Opponent Farmer, J (Jaydean)
2	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 4	type Blitz	result 1	date 2022-07-12	rnd 4	type Blitz	result 1
		Opponent Stalmeester, A (Aiden)				Opponent Stalmeester, A (Aiden)
3	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 2	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Carrolissen, D (David)				Opponent Carrolissen, D (David)

#	Games	Start				End
1	4	Tournament Overberg School Chess Close Champs 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-08	rnd 6	type Standard	result 1	date 2019-05-04	rnd 3	type Standard	result 1
		Opponent Valentine, K (Kirstin)				Opponent Mqikela, K (Kamvalethu)
2	4	Tournament VRT Pitt Open 2018				Tournament Western Cape Top Schools 2018
		date 2018-06-02	rnd 5	type Rapid	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Januarie, E (Enrique)				Opponent Amsterdam, A (Amuscka)
3	3	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 2	type Standard	result 1	date 2018-04-14	rnd 4	type Standard	result 1
		Opponent De Bruyn, G (Genevieve)				Opponent Perez , R (Ruwaan)

#	Games	Start				End
1	4	Tournament Overberg School Chess Close Champs 2019				Tournament Western Cape Schools Individuals 2019
		date 2019-03-08	rnd 6	type Standard	result 1	date 2019-05-04	rnd 3	type Standard	result 1
		Opponent Valentine, K (Kirstin)				Opponent Mqikela, K (Kamvalethu)
2	3	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 2	type Standard	result 1	date 2018-04-14	rnd 4	type Standard	result 1
		Opponent De Bruyn, G (Genevieve)				Opponent Perez , R (Ruwaan)
3	3	Tournament Overberg Schools Closed 2018				Tournament Overberg Schools Closed 2018
		date 2018-03-23	rnd 3	type Standard	result 1	date 2018-03-24	rnd 5	type Standard	result 1
		Opponent De Kock, E (Elza)				Opponent De Bruyn, G (Genevieve)

#	Games	Start				End
1	3	Tournament OCF Open 2020				Tournament Overberg High Schools Trails 2023
		date 2020-01-25	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Stemmet, Z (Zoe)				Opponent Appel, LA (Lee Ann)
2	3	Tournament VRT Pitt Open 2018				Tournament OCF Open 2020
		date 2018-06-02	rnd 5	type Rapid	result 1	date 2020-01-25	rnd 1	type Rapid	result 1
		Opponent Januarie, E (Enrique)				Opponent Pekeur, A (Amy)
3	2	Tournament VRT Pitt Open 2018				Tournament VRT Pitt Open 2018
		date 2018-06-02	rnd 1	type Rapid	result 1	date 2018-06-02	rnd 2	type Rapid	result 1
		Opponent Jagers, J (John-Lee)				Opponent Joubert, A (Antonio)

#	Games	Start				End
1	1	Tournament Western Cape Inter Regional 2023				Tournament Western Cape Inter Regional 2023
		date 2023-03-17	rnd 5	type Blitz	result 1	date 2023-03-17	rnd 5	type Blitz	result 1
		Opponent Farmer, J (Jaydean)				Opponent Farmer, J (Jaydean)
2	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 4	type Blitz	result 1	date 2022-07-12	rnd 4	type Blitz	result 1
		Opponent Stalmeester, A (Aiden)				Opponent Stalmeester, A (Aiden)
3	1	Tournament WCCA Rural Cup Blitz 2022				Tournament WCCA Rural Cup Blitz 2022
		date 2022-07-12	rnd 2	type Blitz	result 1	date 2022-07-12	rnd 2	type Blitz	result 1
		Opponent Carrolissen, D (David)				Opponent Carrolissen, D (David)

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	Pekeur ,A (Amy)	6	4.5	212.5	5	3.5	170	1	1	425	0	0	0
1	Pekeur ,A (Amy)	6	1086.4	1298.9	5	1078.7	1256.4	1	1182	1511.4	0	0	0
2	Valentine ,K (Kirstin)	4	4	425	4	4	425	0	0	0	0	0	0
2	Valentine ,K (Kirstin)	4	869.5	1294.6	4	860.8	1294.6	0	0	0	0	0	0
3	De Bruyn ,G (Genevieve)	3	3	425	3	3	425	0	0	0	0	0	0
3	De Bruyn ,G (Genevieve)	3	683.3	1108.3	3	699.8	1108.3	0	0	0	0	0	0
4	Edwards ,B (Brandon)	3	0	-425	2	0	-425	1	0	-425	0	0	0
4	Edwards ,B (Brandon)	3	1033.1	608.1	2	968.4	608.1	1	973.2	608.1	0	0	0
5	Jansen ,AI (Alfonso Isaac)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
5	Jansen ,AI (Alfonso Isaac)	3	1191.3	1049.6	2	1182	1191.3	1	1200	766.3	0	0	0
6	Amsterdam ,A (Amuscka)	3	1.5	0	2	1.5	212.5	0	0	0	1	0	-425
6	Amsterdam ,A (Amuscka)	3	1175.9	1175.9	2	1102.1	1388.4	0	0	0	1	787.4	750.9
7	Maletta ,L (Legene)	3	0	-425	2	0	-425	0	0	0	1	0	-425
7	Maletta ,L (Legene)	3	1295.4	870.4	2	1142.1	870.4	0	0	0	1	1116.2	870.4
8	Du Preez ,K (Katrien)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Du Preez ,K (Katrien)	2	1209.9	784.9	2	1202.8	784.9	0	0	0	0	0	0
9	Haarhoff ,T (Tsoanello)	2	2	425	2	2	425	0	0	0	0	0	0
9	Haarhoff ,T (Tsoanello)	2	1020.4	1445.4	2	970	1445.4	0	0	0	0	0	0
10	Prince ,SN (Sharna Nicole)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Prince ,SN (Sharna Nicole)	2	1181.1	756.1	2	1206.2	756.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Personal

Ndavala, J (Jeffline)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms