Chess South Africa Ratings Database

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Personal

Japhta, N (Nina)

Chess SA id

2080158547

FIDE id

Date of birth

2008-12-18 (U18)

Gender

Female

Region

Sarah Baartman (ESB)

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

1018.5

Item	Main	Standard	Rapid	Blitz
Rating	1073.5	1056	1184.1	1200
Raw rating	1048.4	1032.9	1184.1	1200
Weighted rating	1073.5	1056	1181.7	1200
Weighted performance	913.2	902.4	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	205.8	210.4	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 2019-12-01	1200 2024-02-01	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 2019-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.5	-2.3	0	0
New rating	1071	1053.8	1184.1	1200
Analysis
Rating	1073.5	1056	1184.1	1200
Raw rating	1048.4	1032.9	1184.1	1200
Weighted rating	1073.5	1056	1181.7
Weighted performance	913.2	902.4	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	205.8	210.4	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	1048.4	1032.9	1184.1	1200
New weighted rating	1071	1053.8	1181.6	1200
New weighted performance	907.5	896.7	0	0
Temp new rating	1071	1053.8	1184.1	1200
Temp new rating +/-	-2.5	-2.3	0	0
Final new rating +/-	-2.5	-2.3	0	0
New rating	1071	1053.8	1184.1	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	14	14	0
	19	14	5
	12	12	0
	0	0	0
	0	0	0
History	45	40	5

Games since
	Main 33	Standard 28		Rapid 5		Blitz 0
Gender	Female
Age group	U18
Region	Sarah Baartman (ESB)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	14	3	21.43	-242.9	1244.7	1001.8
Standard	14	3	21.43	-242.9	1244.7	1001.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	45	9.5	21.11	-245.6	1245.2	999.7
Standard	40	8.5	21.25	-244.4	1243.2	998.8
Rapid	5	1	20	-255	1261.4	1006.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1048.4	1032.9	1184.1	1200
2025-09-30	1048.4	1032.9	1184.1	1200
2025-09-01	1081.6	1063.9	1184.1	1200
2025-08-01	1081.6	1063.9	1184.1	1200
2025-07-01	1081.6	1063.9	1184.1	1200
2025-06-01	1081.6	1063.9	1184.1	1200
2025-05-01	1087	1070	1184.1	1200
2025-04-01	1087	1070	1184.1	1200
2025-03-01	1087	1070	1184.1	1200
2025-02-01	1087.1	1070.3	1183	1200
2025-01-01	1054.2	1036.2	1160.4	1200
2024-12-01	1054.2	1036.2	1160.4	1200
2024-11-01	1054.2	1036.2	1160.4	1200
2024-10-01	1054.2	1036.2	1160.4	1200
2024-09-01	1054.2	1036.2	1160.4	1200
2024-08-01	1061.3	1036.2	1200	1200
2024-07-01	1086.4	1070.4	1200	1200
2024-09-01	1102.1	1087	1200	1200
2024-05-01	1101.5	1082.3	1200	1200
2024-04-01	1101.5	1082.3	1200	1200
2024-03-01	1101.5	1082.3	1200	1200
2024-02-01	1101.5	1082.3	1200	1200
2024-01-01	1101.5	1082.3	1200	1200
2023-12-01	1101.5	1082.3	1200	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	EC Closed 2025 (U18 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
2	SBDCA Closed 2025 (U18 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	1.5	Yes	Analysis
3	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	EC Closed 2025 (U18 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	5	0.5	Yes	Analysis
2	SBDCA Closed 2025 (U18 Girls)	2025-05-10	2025-05-10	Standard	Sarah Baartman (ESB)	6	5	1.5	Yes	Analysis
3	SBDCU Graaff-Reinet Trials 2025 (U18)	2025-02-15	2025-02-15	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
4	Sarah Baartman District Schools Trials 2024 (U18 Girls)	2024-08-03	2024-08-03	Rapid	Sarah Baartman (ESB)	5	5	1	Yes	Analysis
5	SBDCU Closed Trials 2024 (U18+U20 Girls)	2024-07-27	2024-07-27	Standard	Sarah Baartman (ESB)	5	4	0.5	Yes	Analysis
6	SBDCU Trial 3 2024 (U18)	2024-06-01	2024-06-01	Standard	Sarah Baartman (ESB)	5	4	1	Yes	Analysis
7	Fountains Mall 2024 (B)	2024-05-17	2024-05-18	Standard	Sarah Baartman (ESB)	6	6	2	Yes	Analysis
8	Eastern Cape Provincial Individual Championship 2023 (U16 Girls)	2023-10-05	2023-10-06	Standard	Nelson Mandela Bay (ENM)	7	7	2	Yes	Analysis
9	Eastern Cape Chess Team Championship 2023 (U16)	2023-10-07	2023-10-08	Standard	Sarah Baartman (ESB)	5	5	0	Yes	Analysis
10	SBDCU Closed Trials 2023 (U18 Girls)	2023-07-28	2023-07-28	Standard	Sarah Baartman (ESB)	6	0	0	No	Analysis

#	Games	Start				End
1	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 2	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Follie, Q (Qhayiya)				Opponent Zintambila, C (Chantelle)
2	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-07	rnd 6	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 0.5
		Opponent Tadesse, L (Lina)				Opponent Tadesse, L (Lina)
3	1	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 5	type Standard	result 0.5	date 2025-05-10	rnd 5	type Standard	result 0.5
		Opponent Tadesse, L (Lina)				Opponent Tadesse, L (Lina)

#	Games	Start				End
1	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 2	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Follie, Q (Qhayiya)				Opponent Zintambila, C (Chantelle)
2	1	Tournament EC Closed 2025				Tournament EC Closed 2025
		date 2025-09-07	rnd 6	type Standard	result 0.5	date 2025-09-07	rnd 6	type Standard	result 0.5
		Opponent Tadesse, L (Lina)				Opponent Tadesse, L (Lina)
3	1	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 5	type Standard	result 0.5	date 2025-05-10	rnd 5	type Standard	result 0.5
		Opponent Tadesse, L (Lina)				Opponent Tadesse, L (Lina)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 4	type Rapid	result 1	date 2024-08-03	rnd 4	type Rapid	result 1
		Opponent Ncombo, N (Nombulele)				Opponent Ncombo, N (Nombulele)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 2	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Follie, Q (Qhayiya)				Opponent Zintambila, C (Chantelle)
2	1	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Skere, Z (Zenande)				Opponent Skere, Z (Zenande)
3	1	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Gush, E (Emihle)				Opponent Gush, E (Emihle)

#	Games	Start				End
1	2	Tournament Eastern Cape Provincial Individual Championship 2023				Tournament Eastern Cape Provincial Individual Championship 2023
		date 2023-10-05	rnd 2	type Standard	result 1	date 2023-10-05	rnd 3	type Standard	result 1
		Opponent Follie, Q (Qhayiya)				Opponent Zintambila, C (Chantelle)
2	1	Tournament SBDCA Closed 2025				Tournament SBDCA Closed 2025
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Skere, Z (Zenande)				Opponent Skere, Z (Zenande)
3	1	Tournament SBDCU Graaff-Reinet Trials 2025				Tournament SBDCU Graaff-Reinet Trials 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-02-15	rnd 5	type Standard	result 1
		Opponent Gush, E (Emihle)				Opponent Gush, E (Emihle)

#	Games	Start				End
1	1	Tournament Sarah Baartman District Schools Trials 2024				Tournament Sarah Baartman District Schools Trials 2024
		date 2024-08-03	rnd 4	type Rapid	result 1	date 2024-08-03	rnd 4	type Rapid	result 1
		Opponent Ncombo, N (Nombulele)				Opponent Ncombo, N (Nombulele)

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	Zintambila ,C (Chantelle)	2	1	0	2	1	0	0	0	0	0	0	0
1	Zintambila ,C (Chantelle)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
2	Ramusi ,D (Dimpho)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Ramusi ,D (Dimpho)	2	1215.2	790.2	2	1216.8	790.2	0	0	0	0	0	0
3	Tadesse ,L (Lina)	2	1	0	2	1	0	0	0	0	0	0	0
3	Tadesse ,L (Lina)	2	1105.9	1105.9	2	1090.8	1105.9	0	0	0	0	0	0
4	Magadla ,L (Lathitha)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Magadla ,L (Lathitha)	2	1361.3	936.3	1	1376.2	936.3	1	1388	936.3	0	0	0
5	Stuurman ,M (Marvin)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Stuurman ,M (Marvin)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Lufu ,N (Nomalanga)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lufu ,N (Nomalanga)	1	1261	836	1	1236	836	0	0	0	0	0	0
7	Meshilinie ,M (Mcallistair)	1	1	425	1	1	425	0	0	0	0	0	0
7	Meshilinie ,M (Mcallistair)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Janse Van Rensburg ,S (San-Marie)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Janse Van Rensburg ,S (San-Marie)	1	1293.7	868.7	1	1179	868.7	0	0	0	0	0	0
9	Mvatyana ,L (Linathi)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Mvatyana ,L (Linathi)	1	1394.4	969.4	1	1354.4	969.4	0	0	0	0	0	0
10	Fosini ,L (Lilitha)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Fosini ,L (Lilitha)	1	1354.5	929.5	1	1359.9	929.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Japhta, N (Nina)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms