Chess South Africa Ratings Database

PLAYER PAGE

Personal

Xu, Z (Zhong Xiang)

Chess SA id

1090306361

FIDE id

Date of birth

2009-02-27 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1216.6	1200	1202.6	1200
Raw rating	1216.6	1200	1202.6	1200
Weighted rating	1203	1200	1194.6	1200
Weighted performance	0	0	0	0
Floor	716.6	700	702.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	161.9	165.8	165.2	165.8
Highest rating	1216.6 2025-09-01	1200 2024-07-01	1202.6 2025-09-01	1200 2024-07-01
Highest raw rating	1216.6 2025-09-01	1200 2024-07-01	1202.6 2025-09-01	1200 2024-07-01
Highest weighted rating	1200.4 2025-09-01	1200 2024-07-01	1200 2024-11-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1216.6	1200	1202.6	1200
Analysis
Rating	1216.6	1200	1202.6	1200
Raw rating	1216.6	1200	1202.6	1200
Weighted rating	1203	1200	1194.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	716.6	700	702.6	700
Max/Min rating change allowed	161.9	165.8	165.2	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	1216.6	1200	1202.6	1200
New weighted rating	1204.2	1200	1195.3	1200
New weighted performance	0	0	0	0
Temp new rating	1216.6	1200	1202.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1216.6	1200	1202.6	1200
New K-factor	36	36	36	36
New floor	716.6	700	702.6	700

Item	Main	Rapid
	0	0
	3	3
	7	7
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 0		Rapid 10		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	3	1.5	50	0	1375.6	1375.6
Standard	0	0	0	0	0	0
Rapid	3	1.5	50	0	1375.6	1375.6
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4.5	45	-42.5	1276.7	1234.2
Standard	0	0	0	0	0	0
Rapid	10	4.5	45	-42.5	1276.7	1234.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1216.6	1200	1202.6	1200
2025-09-30	1216.6	1200	1202.6	1200
2025-09-01	1216.6	1200	1202.6	1200
2025-08-01	1199.1	1200	1193.4	1200
2025-07-01	1199.1	1200	1193.4	1200
2025-06-01	1199.1	1200	1193.4	1200
2025-05-01	1199.1	1200	1193.4	1200
2025-04-01	1199.1	1200	1193.4	1200
2025-03-01	1199.1	1200	1193.4	1200
2025-02-01	1199.1	1200	1193.2	1200
2025-01-01	1198.3	1200	1187.6	1200
2024-12-01	1198.3	1200	1187.6	1200
2024-11-01	1198.3	1200	1187.6	1200
2024-10-01	1198.3	1200	1187.6	1200
2024-09-01	1198.3	1200	1187.6	1200
2024-08-01	1198.3	1200	1187.6	1200
2024-07-01	1198.3	1200	1187.6	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	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	3	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JCC - SAHETI Chess League 2025	2025-05-12	2025-06-09	Rapid	Johannesburg Metro (GJM)	5	3	1.5	Yes	Analysis
2	JCC SAHETI High Schools League Round Robin 2024	2024-05-20	2024-06-10	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-05-19	rnd 2	type Rapid	result 0.5
		Opponent Kganyago, P (Palesa)				Opponent Papanicolaou, A (Alexandra)
2	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-06-03	rnd 5	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Doherty, T (Timothy)				Opponent Maswanganyi, D (Deborah)
3	1	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-05-27	rnd 3	type Rapid	result 1
		Opponent Froom, D (David)				Opponent Froom, D (David)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-05-19	rnd 2	type Rapid	result 0.5
		Opponent Kganyago, P (Palesa)				Opponent Papanicolaou, A (Alexandra)
2	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-06-03	rnd 5	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Doherty, T (Timothy)				Opponent Maswanganyi, D (Deborah)
3	1	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-05-27	rnd 3	type Rapid	result 1
		Opponent Froom, D (David)				Opponent Froom, D (David)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-06-03	rnd 5	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Doherty, T (Timothy)				Opponent Maswanganyi, D (Deborah)
2	1	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-05-12	rnd 1	type Rapid	result 1
		Opponent Kganyago, P (Palesa)				Opponent Kganyago, P (Palesa)
3	1	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-05-27	rnd 3	type Rapid	result 1
		Opponent Froom, D (David)				Opponent Froom, D (David)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-06-03	rnd 5	type Rapid	result 1	date 2024-06-10	rnd 6	type Rapid	result 1
		Opponent Doherty, T (Timothy)				Opponent Maswanganyi, D (Deborah)
2	1	Tournament JCC - SAHETI Chess League 2025				Tournament JCC - SAHETI Chess League 2025
		date 2025-05-12	rnd 1	type Rapid	result 1	date 2025-05-12	rnd 1	type Rapid	result 1
		Opponent Kganyago, P (Palesa)				Opponent Kganyago, P (Palesa)
3	1	Tournament JCC SAHETI High Schools League Round Robin 2024				Tournament JCC SAHETI High Schools League Round Robin 2024
		date 2024-05-27	rnd 3	type Rapid	result 1	date 2024-05-27	rnd 3	type Rapid	result 1
		Opponent Froom, D (David)				Opponent Froom, D (David)

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	Froom ,D (David)	1	1	425	0	0	0	1	1	425	0	0	0
1	Froom ,D (David)	1	1444.6	1869.6	0	0	0	1	1258	1869.6	0	0	0
2	Furman ,S (Stephan)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Furman ,S (Stephan)	1	1200	775	0	0	0	1	1200	775	0	0	0
3	Maswanganyi ,D (Deborah)	1	1	425	0	0	0	1	1	425	0	0	0
3	Maswanganyi ,D (Deborah)	1	1195.5	1620.5	0	0	0	1	1200	1620.5	0	0	0
4	Latchmiah ,A (Adam)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Latchmiah ,A (Adam)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Kganyago ,P (Palesa)	1	1	425	0	0	0	1	1	425	0	0	0
5	Kganyago ,P (Palesa)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Woldeyohanes ,K (Kirubel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Woldeyohanes ,K (Kirubel)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Papanicolaou ,A (Alexandra)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Papanicolaou ,A (Alexandra)	1	1407.3	1407.3	0	0	0	1	1187.4	1407.3	0	0	0
8	Doherty ,T (Timothy)	1	1	425	0	0	0	1	1	425	0	0	0
8	Doherty ,T (Timothy)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Galgut ,E (Ethan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Galgut ,E (Ethan)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Mallach ,M (Matthew)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Mallach ,M (Matthew)	1	1519.6	1094.6	0	0	0	1	1374.7	1094.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Xu, Z (Zhong Xiang)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms