Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhang, H (Harry)

Chess SA id

1130319526

FIDE id

Date of birth

2013-03-25 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1203.7	1199.9	1198.6	1200
Raw rating	1203.7	1199.9	1186.5	1200
Weighted rating	1200.1	1199.9	1198.6	1200
Weighted performance	0	0	0	0
Floor	703.7	700	699.9	700
K-factor	36	36	40	36
Min/Max rating change allowed	164.9	165.8	169	165.8
Highest rating	1203.7 2025-09-30	1200 2025-05-05	1199.9 2025-04-24	1200 2025-05-05
Highest raw rating	1203.7 2025-09-30	1200 2025-05-05	1199.9 2025-04-24	1200 2025-05-05
Highest weighted rating	1200.1 2025-09-30	1200 2025-05-05	1199.9 2025-04-24	1200 2025-05-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-1	0
New rating	1203.7	1199.9	1197.6	1200
Analysis
Rating	1203.7	1199.9	1198.6	1200
Raw rating	1203.7	1199.9	1186.5	1200
Weighted rating	1200.1	1199.9	1198.6
Weighted performance	0	0	0
K-factor	36	36	40	36
Floor	703.7	700	699.9	700
Max/Min rating change allowed	164.9	165.8	169	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	1203.7	1199.9	1186.5	1200
New weighted rating	1200.4	1199.9	1197.6	1200
New weighted performance	0	0	0	0
Temp new rating	1203.7	1199.9	1197.6	1200
Temp new rating +/-	0	0	-1	0
Final new rating +/-	0	0	-1	0
New rating	1203.7	1199.9	1197.6	1200
New K-factor	36	36	40	36
New floor	703.7	700	699.9	700

Item	Main	Standard	Rapid
	0	0	0
	14	5	9
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	5	9

Games since
	Main 14	Standard 5		Rapid 9		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
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	14	5	35.71	-121.4	1262.3	1140.9
Standard	5	2	40	-85	1234.4	1149.4
Rapid	9	3	33.33	-141.7	1277.8	1136.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5	35.71	-121.4	1262.3	1140.9
Standard	5	2	40	-85	1234.4	1149.4
Rapid	9	3	33.33	-141.7	1277.8	1136.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1203.7	1199.9	1186.5	1200
2025-09-01	1199.8	1199.9	1199.7	1200
2025-08-01	1199.8	1199.9	1199.7	1200
2025-07-01	1199.7	1199.8	1199.7	1200
2025-06-01	1198.9	1199	1199.5	1200
2025-05-01	1198.5	1200	1196.9	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	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
3	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (C)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	MCA Winter Chill Classic 2025 (Junior)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	0	0	No	Analysis
3	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	Chess Molecules Open Tournament 2025 (C)	2025-04-19	2025-04-19	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Deonarain, A (Aariana)
2	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Maritz, S (Steven)				Opponent Maritz, S (Steven)
3	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Kruger, J (Johannes)				Opponent Kruger, J (Johannes)

#	Games	Start				End
1	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Maritz, S (Steven)				Opponent Maritz, S (Steven)
2	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Kruger, J (Johannes)				Opponent Kruger, J (Johannes)

#	Games	Start				End
1	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Deonarain, A (Aariana)
2	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Vermaak, R (Ruben)				Opponent Vermaak, R (Ruben)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Deonarain, A (Aariana)
2	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Maritz, S (Steven)				Opponent Maritz, S (Steven)
3	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Kruger, J (Johannes)				Opponent Kruger, J (Johannes)

#	Games	Start				End
1	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 3	type Standard	result 1	date 2025-05-17	rnd 3	type Standard	result 1
		Opponent Maritz, S (Steven)				Opponent Maritz, S (Steven)
2	1	Tournament Mzansi Africa Classic 2025				Tournament Mzansi Africa Classic 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Kruger, J (Johannes)				Opponent Kruger, J (Johannes)

#	Games	Start				End
1	2	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 2	type Rapid	result 1	date 2025-09-20	rnd 3	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Deonarain, A (Aariana)
2	1	Tournament Chess Molecules Open Tournament 2025				Tournament Chess Molecules Open Tournament 2025
		date 2025-04-19	rnd 4	type Rapid	result 1	date 2025-04-19	rnd 4	type Rapid	result 1
		Opponent Vermaak, R (Ruben)				Opponent Vermaak, R (Ruben)

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	Kruger ,J (Johannes)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kruger ,J (Johannes)	1	1257.4	1682.4	1	1267.7	1682.4	0	0	0	0	0	0
2	Bijker ,X (Xander)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Bijker ,X (Xander)	1	1242.4	817.4	1	1247.8	817.4	0	0	0	0	0	0
3	Maritz ,S (Steven)	1	1	425	1	1	425	0	0	0	0	0	0
3	Maritz ,S (Steven)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Kapinga ,J (Janell)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kapinga ,J (Janell)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Khalife ,A (Arham)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Khalife ,A (Arham)	1	1272.1	847.1	1	1243.6	847.1	0	0	0	0	0	0
6	Deonarain ,A (Aariana)	1	1	425	0	0	0	1	1	425	0	0	0
6	Deonarain ,A (Aariana)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Strickler ,L (Luke)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Strickler ,L (Luke)	1	1302	877	0	0	0	1	1200	877	0	0	0
8	Mendonca ,N (Nelita)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Mendonca ,N (Nelita)	1	1282.5	857.5	0	0	0	1	1230.9	857.5	0	0	0
9	Kgajane ,L (Lethabo)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kgajane ,L (Lethabo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Vermaak ,R (Ruben)	1	1	425	0	0	0	1	1	425	0	0	0
10	Vermaak ,R (Ruben)	1	1286.6	1711.6	0	0	0	1	1200	1711.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Zhang, H (Harry)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms