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

1330.8

Item	Main	Standard	Rapid	Blitz
Rating	1242.2	1251.3	1200	1200
Raw rating	1242.2	1251.3	1200	1200
Weighted rating	1203.4	1204.2	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	1203.4	1204.2	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	1206.8	1208.3	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
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
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	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
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	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

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