Chess South Africa Ratings Database

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Personal

Zhu, Z (Zhaonan)

Chess SA id

1120158294

FIDE id

Date of birth

2012-09-20 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

10.5

Junior GPX Points

1024.4

Item	Main	Standard	Rapid	Blitz
Rating	1203.3	1192.8	1216.6	1200
Raw rating	1203.3	1192.8	1216.6	1200
Weighted rating	1191.2	1192.2	1200.6	1200
Weighted performance	1042.8	0	1084.8	0
Floor	703.3	700	716.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	165	167.5	161.9	165.8
Highest rating	1203.3 2025-08-01	1200 2018-10-01	1241.2 2023-12-01	1200 2018-10-01
Highest raw rating	1203.3 2025-08-01	1200 2024-02-01	1216.6 2025-08-01	1200 2024-02-01
Highest weighted rating	1201.7 2018-10-01	1200 2018-10-01	1214.1 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-02-01	1241.2 2023-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1203.3	1192.8	1216.6	1200
Analysis
Rating	1203.3	1192.8	1216.6	1200
Raw rating	1203.3	1192.8	1216.6	1200
Weighted rating	1191.2	1192.2	1200.6
Weighted performance	1042.8	0	1084.8
K-factor	36	36	36	36
Floor	703.3	700	716.6	700
Max/Min rating change allowed	165	167.5	161.9	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	1203.3	1192.8	1216.6	1200
New weighted rating	1192.3	1192.2	1202.1	1200
New weighted performance	1042.4	0	1084.3	0
Temp new rating	1203.3	1192.8	1216.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1203.3	1192.8	1216.6	1200
New K-factor	36	36	36	36
New floor	703.3	700	716.6	700

Item	Main	Standard	Rapid
	0	0	0
	12	6	6
	21	3	18
	18	0	18
	0	0	0
	0	0	0
History	51	9	42

Games since
	Main 45	Standard 9		Rapid 36		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4010		1334		494
Male	3018		934		377
U14	768		262		104
U14 Male	542		165		72
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1525		765		287
Male	1191		578		242
U14	330		177		64
U14 Male	231		120		48
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-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	12	4	33.33	-141.7	1307.7	1166
Standard	6	1	16.67	-283.3	1294.1	1010.8
Rapid	6	3	50	0	1321.2	1321.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	51	20	39.22	-91.7	1271.4	1179.7
Standard	9	2	22.22	-236.1	1285.6	1049.5
Rapid	42	18	42.86	-60.7	1268.3	1207.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1203.3	1192.8	1216.6	1200
2025-09-01	1203.3	1192.8	1216.6	1200
2025-08-01	1203.3	1192.8	1216.6	1200
2025-07-01	1187.5	1192.8	1197.2	1200
2025-06-01	1187.4	1192.8	1197.2	1200
2025-05-01	1187.1	1192.7	1197.2	1200
2025-04-01	1184.3	1189.6	1197.2	1200
2025-03-01	1189.5	1193.7	1197.2	1200
2025-02-01	1189.5	1193.5	1197.2	1200
2025-01-01	1189.5	1188.1	1197.2	1200
2024-12-01	1189.5	1188.1	1197.2	1200
2024-11-01	1189.5	1188.1	1197.2	1200
2024-10-01	1181.5	1188.1	1189.3	1200
2024-09-01	1181.5	1188.1	1189.3	1200
2024-08-01	1181.5	1188.1	1189.3	1200
2024-07-01	1181.5	1188.1	1189.3	1200
2024-06-01	1189.6	1200	1189.3	1200
2024-08-01	1189.6	1200	1189.3	1200
2024-04-01	1189.6	1200	1189.3	1200
2024-03-01	1201.7	1200	1211.6	1200
2024-02-01	1198.9	1200	1214.1	1200
2024-01-01	1198.9	1200	1214.1	1200
2023-12-01	1198.9	1200	1214.1	1200
2023-11-01	1165.6	1200	1151.8	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	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	0	0	No	Analysis
2	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	3	Yes	Analysis
3	Western Cape Closed 2025 (C)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro North Top Schools 2025 (U13)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	0	0	No	Analysis
2	4th Curro Durbanville Rapid Open 2025 (Intermediate)	2025-07-19	2025-07-19	Rapid	Cape Town (WCT)	7	6	3	Yes	Analysis
3	Western Cape Closed 2025 (C)	2025-03-08	2025-03-09	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
4	UCT Open Chess Championship 2024 (U14)	2024-10-12	2024-10-13	Rapid	Cape Town (WCT)	6	6	3	Yes	Analysis
5	Cape Town Chess Federation Closed Chess Championships 2024 (U14)	2024-06-15	2024-06-16	Standard	Cape Town (WCT)	6	3	1	Yes	Analysis
6	Cape Town Open Rapid Chess Championship 2024 (U12)	2024-03-16	2024-03-16	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
7	Cape of Good Hope Open Chess Tournament 2024 (U12)	2024-02-17	2024-02-17	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
8	Kraaifontein Open 2023 (U12)	2023-12-09	2023-12-09	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
9	Chas Everitt and MHI Attorneys Rapid 2023 (U12)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
10	Curro Durbanville Chess Open Rapid 2023 (U12)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Kraaifontein Open 2023
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2023-12-09	rnd 3	type Rapid	result 1
		Opponent Andrews, R (Ronan)				Opponent Munro, B (Benjamin)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Rogova, E (Emilia)				Opponent Nelson, OS (Olenka Shai)
3	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 5	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Reed, J (Jake)

#	Games	Start				End
1	1	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Sihamba, S (Somila)				Opponent Sihamba, S (Somila)
2	1	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-15	rnd 2	type Standard	result 1
		Opponent Mavuso, T (Thimna)				Opponent Mavuso, T (Thimna)

#	Games	Start				End
1	4	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Kraaifontein Open 2023
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2023-12-09	rnd 3	type Rapid	result 1
		Opponent Andrews, R (Ronan)				Opponent Munro, B (Benjamin)
2	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Rogova, E (Emilia)				Opponent Nelson, OS (Olenka Shai)
3	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 5	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Reed, J (Jake)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Rogova, E (Emilia)				Opponent Nelson, OS (Olenka Shai)
2	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 5	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Reed, J (Jake)
3	2	Tournament Kraaifontein Open 2023				Tournament Kraaifontein Open 2023
		date 2023-12-09	rnd 2	type Rapid	result 1	date 2023-12-09	rnd 3	type Rapid	result 1
		Opponent Pretorius, M (Meyer)				Opponent Munro, B (Benjamin)

#	Games	Start				End
1	1	Tournament Western Cape Closed 2025				Tournament Western Cape Closed 2025
		date 2025-03-08	rnd 2	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Sihamba, S (Somila)				Opponent Sihamba, S (Somila)
2	1	Tournament Cape Town Chess Federation Closed Chess Championships 2024				Tournament Cape Town Chess Federation Closed Chess Championships 2024
		date 2024-06-15	rnd 2	type Standard	result 1	date 2024-06-15	rnd 2	type Standard	result 1
		Opponent Mavuso, T (Thimna)				Opponent Mavuso, T (Thimna)

#	Games	Start				End
1	2	Tournament 4th Curro Durbanville Rapid Open 2025				Tournament 4th Curro Durbanville Rapid Open 2025
		date 2025-07-19	rnd 5	type Rapid	result 1	date 2025-07-19	rnd 6	type Rapid	result 1
		Opponent Rogova, E (Emilia)				Opponent Nelson, OS (Olenka Shai)
2	2	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 5	type Rapid	result 1	date 2024-10-13	rnd 6	type Rapid	result 1
		Opponent Yao, K (Kevin)				Opponent Reed, J (Jake)
3	2	Tournament Kraaifontein Open 2023				Tournament Kraaifontein Open 2023
		date 2023-12-09	rnd 2	type Rapid	result 1	date 2023-12-09	rnd 3	type Rapid	result 1
		Opponent Pretorius, M (Meyer)				Opponent Munro, B (Benjamin)

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	Nelson ,OS (Olenka Shai)	2	1	0	1	0	-425	1	1	425	0	0	0
1	Nelson ,OS (Olenka Shai)	2	1226.2	1226.2	1	1098.8	801.2	1	1233.1	1651.2	0	0	0
2	Shapiro ,H (Hannah)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
2	Shapiro ,H (Hannah)	2	1275.8	1063.3	0	0	0	2	1237.3	1063.3	0	0	0
3	Nair ,J (Jashen)	2	1	0	0	0	0	2	1	0	0	0	0
3	Nair ,J (Jashen)	2	1186.8	1186.8	0	0	0	2	1179.2	1186.8	0	0	0
4	Mkonqo ,M (Mahle)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
4	Mkonqo ,M (Mahle)	2	1234.7	1447.2	0	0	0	2	1241.7	1447.2	0	0	0
5	Sihamba ,S (Somila)	1	1	425	1	1	425	0	0	0	0	0	0
5	Sihamba ,S (Somila)	1	1332.5	1757.5	1	1346.8	1757.5	0	0	0	0	0	0
6	Zheng ,Y (Yi)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Zheng ,Y (Yi)	1	1421.5	996.5	1	1370.7	996.5	0	0	0	0	0	0
7	Jainoodien ,M (Micaela)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Jainoodien ,M (Micaela)	1	1360	935	1	1351.7	935	0	0	0	0	0	0
8	Brown ,D (Deon)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Brown ,D (Deon)	1	1289.3	864.3	1	1290.8	864.3	0	0	0	0	0	0
9	Reed ,J (Jake)	1	1	425	0	0	0	1	1	425	0	0	0
9	Reed ,J (Jake)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Sparke ,G (Gabrielle)	1	1	425	0	0	0	1	1	425	0	0	0
10	Sparke ,G (Gabrielle)	1	1132.9	1557.9	0	0	0	1	1200	1557.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Zhu, Z (Zhaonan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms