Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhou, Z (Zijun)

Chess SA id

1140326403

FIDE id

Date of birth

2014-11-15 (U12)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198.7	1200	1197.3	1200
Raw rating	1191.9	1200	1182.9	1200
Weighted rating	1198.7	1200	1197.3	1200
Weighted performance	0	0	0	0
Floor	699	700	699	700
K-factor	40	40	40	40
Min/Max rating change allowed	167.7	165.8	169.9	165.8
Highest rating	1199.3 2025-09-01	1199 2025-08-25	1199 2025-08-25	1199 2025-08-25
Highest raw rating	1199 2025-08-25	1199 2025-08-25	1199 2025-08-25	1199 2025-08-25
Highest weighted rating	1199.3 2025-09-01	0 2025-08-25	1198.6 2025-09-01	0 2025-08-25
Highest weighted performance	0 2025-08-25	0 2025-08-25	0 2025-08-25	0 2025-08-25

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	0	-1.3	0
New rating	1198.1	1200	1196.1	1200
Analysis
Rating	1198.7	1200	1197.3	1200
Raw rating	1191.9	1200	1182.9	1200
Weighted rating	1198.7	1200	1197.3
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	699	700	699	700
Max/Min rating change allowed	167.7	165.8	169.9	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	1191.9	1200	1182.9	1200
New weighted rating	1198.1	1200	1196.1	1200
New weighted performance	0	0	0	0
Temp new rating	1198.1	1200	1196.1	1200
Temp new rating +/-	-0.6	0	-1.3	0
Final new rating +/-	-0.6	0	-1.3	0
New rating	1198.1	1200	1196.1	1200
New K-factor	40	36	40	36
New floor	699	700	699	700

Item	Main	Rapid
	0	0
	5	5
	0	0
	0	0
	0	0
	0	0
History	5	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	M
Age group	U12
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U12	-1		-1		-1
U12 M	-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	5	2	40	-85	1204.4	1119.4
Standard	0	0	0	0	0	0
Rapid	5	2	40	-85	1204.4	1119.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	5	2	40	-85	1204.4	1119.4
Standard	0	0	0	0	0	0
Rapid	5	2	40	-85	1204.4	1119.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1191.9	1200	1182.9	1200
2025-09-01	1191.9	1200	1182.9	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	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	Rock n Roll Rapid 2025 (Queens)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rock n Roll Rapid 2025 (Queens)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Alexander, J (Jordan Jason)				Opponent Alexander, J (Jordan Jason)
2	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 2	type Rapid	result 1	date 2025-08-24	rnd 2	type Rapid	result 1
		Opponent Khuzwayo, L (Lwandle)				Opponent Khuzwayo, L (Lwandle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Alexander, J (Jordan Jason)				Opponent Alexander, J (Jordan Jason)
2	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 2	type Rapid	result 1	date 2025-08-24	rnd 2	type Rapid	result 1
		Opponent Khuzwayo, L (Lwandle)				Opponent Khuzwayo, L (Lwandle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Alexander, J (Jordan Jason)				Opponent Alexander, J (Jordan Jason)
2	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 2	type Rapid	result 1	date 2025-08-24	rnd 2	type Rapid	result 1
		Opponent Khuzwayo, L (Lwandle)				Opponent Khuzwayo, L (Lwandle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 4	type Rapid	result 1	date 2025-08-24	rnd 4	type Rapid	result 1
		Opponent Alexander, J (Jordan Jason)				Opponent Alexander, J (Jordan Jason)
2	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 2	type Rapid	result 1	date 2025-08-24	rnd 2	type Rapid	result 1
		Opponent Khuzwayo, L (Lwandle)				Opponent Khuzwayo, L (Lwandle)

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	Mpye ,K (Karabo)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Mpye ,K (Karabo)	1	1219.7	794.7	0	0	0	1	1228.2	794.7	0	0	0
2	Janse Van Rensburg ,E (Elrich)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Janse Van Rensburg ,E (Elrich)	1	1202.4	777.4	0	0	0	1	1199.1	777.4	0	0	0
3	Alexander ,J (Jordan Jason)	1	1	425	0	0	0	1	1	425	0	0	0
3	Alexander ,J (Jordan Jason)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
4	Khuzwayo ,L (Lwandle)	1	1	425	0	0	0	1	1	425	0	0	0
4	Khuzwayo ,L (Lwandle)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Shi ,Y (Yuzhe)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Shi ,Y (Yuzhe)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Zhou, Z (Zijun)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms