Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duka, N (Nozipho)

Chess SA id

2130309478

FIDE id

Date of birth

2013-10-25 (U14)

Gender

Female

Region

(U11)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1242.2	1251.3	1200	1200
Raw rating	1242.2	1251.3	1200	1200
Weighted rating	1210	1212.3	1200	1200
Weighted performance	0	0	0	0
Floor	742.2	751.3	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	156.1	154.1	165.8	165.8
Highest rating	1242.2 2025-09-01	1251.3 2025-09-01	1200 2024-10-01	1200 2024-10-01
Highest raw rating	1242.2 2025-09-01	1251.3 2025-09-01	1200 2024-10-01	1200 2024-10-01
Highest weighted rating	1200 2024-08-01	1200 2024-08-01	1200 2024-10-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-10-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1242.2	1251.3	1200	1200
Analysis
Rating	1242.2	1251.3	1200	1200
Raw rating	1242.2	1251.3	1200	1200
Weighted rating	1210	1212.3	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	742.2	751.3	700	700
Max/Min rating change allowed	156.1	154.1	165.8	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	1242.2	1251.3	1200	1200
New weighted rating	1213.2	1216.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1242.2	1251.3	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1242.2	1251.3	1200	1200
New K-factor	36	36	36	36
New floor	742.2	751.3	700	700

Item	Main	Standard
	0	0
	10	10
	3	3
	0	0
	0	0
	0	0
History	13	13

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Female
Age group	U14
Region
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U14	-1		-1		-1
U14 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	10	6.5	65	127.5	1199.8	1327.3
Standard	10	6.5	65	127.5	1199.8	1327.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	7.5	57.69	65.4	1199.8	1265.2
Standard	13	7.5	57.69	65.4	1199.8	1265.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1242.2	1251.3	1200	1200
2025-11-30	1242.2	1251.3	1200	1200
2025-11-01	1242.2	1251.3	1200	1200
2025-09-30	1242.2	1251.3	1200	1200
2025-09-01	1242.2	1251.3	1200	1200
2025-08-01	1194.9	1194	1200	1200
2025-07-01	1194.9	1194	1200	1200
2025-06-01	1192.8	1191.3	1200	1200
2025-05-01	1192.8	1191.3	1200	1200
2025-04-01	1192.8	1191.3	1200	1200
2025-03-01	1192.8	1191.3	1200	1200
2025-02-01	1192.3	1190.7	1200	1200
2025-01-01	1182.1	1178.4	1200	1200
2024-12-01	1182.1	1178.4	1200	1200
2024-11-01	1182.1	1178.4	1200	1200
2024-10-01	1182.1	1178.4	1200	1200
2024-09-01	1182.1	1178.4	1200	1200
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200

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	GDE (D8) Sedibeng West Schools - Teams 2025 (U13)	2025-08-16	2025-08-16	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
2	GDE (D8) Sedibeng West Schools Individuals 2025 (U13 Girls)	2025-06-07	2025-06-07	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
3	Sedibeng West District Schools Chess Team's Championships 2024 (U11)	2024-08-12	2024-08-12	Standard	Sedibeng (GSV)	5	3	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Tshabalala, S (Samkelo)				Opponent Manande, Z (Zandile)
2	3	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 2	type Standard	result 0.5	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Hlazo, P (Phindile)				Opponent Monyane, M (Moleboheng)
3	1	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament Sedibeng West District Schools Chess Team's Championships 2024
		date 2024-08-12	rnd 1	type Standard	result 1	date 2024-08-12	rnd 1	type Standard	result 1
		Opponent Sibisi, P (Palesa)				Opponent Sibisi, P (Palesa)

#	Games	Start				End
1	4	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Tshabalala, S (Samkelo)				Opponent Manande, Z (Zandile)
2	3	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 2	type Standard	result 0.5	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Hlazo, P (Phindile)				Opponent Monyane, M (Moleboheng)
3	1	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament Sedibeng West District Schools Chess Team's Championships 2024
		date 2024-08-12	rnd 1	type Standard	result 1	date 2024-08-12	rnd 1	type Standard	result 1
		Opponent Sibisi, P (Palesa)				Opponent Sibisi, P (Palesa)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Tshabalala, S (Samkelo)				Opponent Manande, Z (Zandile)
2	2	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 3	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Tuis, S (Sindiswa)				Opponent Monyane, M (Moleboheng)
3	1	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament Sedibeng West District Schools Chess Team's Championships 2024
		date 2024-08-12	rnd 1	type Standard	result 1	date 2024-08-12	rnd 1	type Standard	result 1
		Opponent Sibisi, P (Palesa)				Opponent Sibisi, P (Palesa)

#	Games	Start				End
1	4	Tournament GDE (D8) Sedibeng West Schools - Teams 2025				Tournament GDE (D8) Sedibeng West Schools - Teams 2025
		date 2025-08-16	rnd 2	type Standard	result 1	date 2025-08-16	rnd 5	type Standard	result 1
		Opponent Tshabalala, S (Samkelo)				Opponent Manande, Z (Zandile)
2	2	Tournament GDE (D8) Sedibeng West Schools Individuals 2025				Tournament GDE (D8) Sedibeng West Schools Individuals 2025
		date 2025-06-07	rnd 3	type Standard	result 1	date 2025-06-07	rnd 4	type Standard	result 1
		Opponent Tuis, S (Sindiswa)				Opponent Monyane, M (Moleboheng)
3	1	Tournament Sedibeng West District Schools Chess Team's Championships 2024				Tournament Sedibeng West District Schools Chess Team's Championships 2024
		date 2024-08-12	rnd 1	type Standard	result 1	date 2024-08-12	rnd 1	type Standard	result 1
		Opponent Sibisi, P (Palesa)				Opponent Sibisi, P (Palesa)

No games found.

#	Games	Start				End

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	Manande ,Z (Zandile)	1	1	425	1	1	425	0	0	0	0	0	0
1	Manande ,Z (Zandile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Mashinini ,R (Rorisang)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mashinini ,R (Rorisang)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Skosana ,L (Lesego)	1	1	425	1	1	425	0	0	0	0	0	0
3	Skosana ,L (Lesego)	1	1199.4	1624.4	1	1199.2	1624.4	0	0	0	0	0	0
4	Olifant ,K (Kgauhelo)	1	1	425	1	1	425	0	0	0	0	0	0
4	Olifant ,K (Kgauhelo)	1	1211.9	1636.9	1	1214.9	1636.9	0	0	0	0	0	0
5	Gwena ,L (Lesedi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Gwena ,L (Lesedi)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Sibisi ,P (Palesa)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sibisi ,P (Palesa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Kriel ,M (Mieke)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Kriel ,M (Mieke)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Mkhize ,N (Nompilo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mkhize ,N (Nompilo)	1	1186.8	761.8	1	1184.3	761.8	0	0	0	0	0	0
9	Tshabalala ,S (Samkelo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Tshabalala ,S (Samkelo)	1	1199.8	1624.8	1	1199.8	1624.8	0	0	0	0	0	0
10	Hlazo ,P (Phindile)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Hlazo ,P (Phindile)	1	1200	1200	1	1200	1200	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Duka, N (Nozipho)

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