Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhang, L (Leonard)

Chess SA id

1120112149

FIDE id

Date of birth

2012-02-09 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-06-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1371.7	1364.8	1200	1200
Raw rating	1371.7	1364.8	1200	1200
Weighted rating	1371.7	1364.8	1200	1200
Weighted performance	570.3	565.3	0	0
Floor	871.7	864.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	129.8	131.1	165.8	165.8
Highest rating	1384.2 2020-01-01	1379.2 2020-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1371.7 2024-02-01	1364.8 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1371.7 2025-05-05	1364.8 2025-05-05	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1384.2 2020-01-01	1379.2 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1371.7	1364.8	1200	1200
Analysis
Rating	1371.7	1364.8	1200	1200
Raw rating	1371.7	1364.8	1200	1200
Weighted rating	1371.7	1364.8	1200
Weighted performance	570.3	565.3	0
K-factor	36	36	36	36
Floor	871.7	864.8	700	700
Max/Min rating change allowed	129.8	131.1	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	1371.7	1364.8	1200	1200
New weighted rating	1371.7	1364.8	1200	1200
New weighted performance	562.2	557.3	0	0
Temp new rating	1371.7	1364.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1371.7	1364.8	1200	1200
New K-factor	36	36	36	36
New floor	871.7	864.8	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	5	5
	0	0
	0	0
History	42	42

Games since
	Main 0	Standard 0		Rapid 0		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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	42	25.5	60.71	91.1	1242	1333.1
Standard	42	25.5	60.71	91.1	1242	1333.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1371.7	1364.8	1200	1200
2025-09-30	1371.7	1364.8	1200	1200
2025-09-01	1371.7	1364.8	1200	1200
2025-08-01	1371.7	1364.8	1200	1200
2025-07-01	1371.7	1364.8	1200	1200
2025-06-01	1371.7	1364.8	1200	1200
2025-05-01	1371.7	1364.8	1200	1200
2025-04-01	1371.7	1364.8	1200	1200
2025-03-01	1371.7	1364.8	1200	1200
2025-02-01	1371.7	1364.8	1200	1200
2025-01-01	1371.7	1364.8	1200	1200
2024-12-01	1371.7	1364.8	1200	1200
2024-11-01	1371.7	1364.8	1200	1200
2024-10-01	1371.7	1364.8	1200	1200
2024-09-01	1371.7	1364.8	1200	1200
2024-08-01	1371.7	1364.8	1200	1200
2024-07-01	1371.7	1364.8	1200	1200
2024-09-01	1371.7	1364.8	1200	1200
2024-05-01	1371.7	1364.8	1200	1200
2024-04-01	1371.7	1364.8	1200	1200
2024-03-01	1371.7	1364.8	1200	1200
2024-02-01	1371.7	1364.8	1200	1200
2024-01-01	1371.7	1364.8	1200	1200
2023-12-01	1371.7	1364.8	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GoForChess Junior Chess Championship 2023 (Senior)	2023-06-10	2023-06-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	2019 Wild Card Chess Championship (U8 Open+Girls)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
3	2019 South African Junior Team Championships (U8B+U8Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	5	Yes	Analysis
4	GoForChess Junior Championships 2019 (U8)	2019-11-16	2019-11-16	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
5	JHB Metro Closed 2019 (U8)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis
6	GoForChess Junior Chess Championships 2019 (U8)	2019-06-09	2019-06-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JNW Club - Charterhouse Open 2019 (F)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis
8	GoForChess SAHETI Introduction To Chess 2019 (B)	2019-04-06	2019-04-06	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 Wild Card Chess Championship
		date 2020-01-08	rnd 7	type Standard	result 1	date 2020-01-10	rnd 4	type Standard	result 1
		Opponent Heunis, F (Fourie)				Opponent Buchalter, S (Shane)
2	5	Tournament GoForChess Junior Championships 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-16	rnd 5	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Pedley, G (Geoffrey)				Opponent Van Der Merwe, M (Marthinus)
3	4	Tournament GoForChess Junior Chess Championships 2019				Tournament GoForChess Junior Chess Championships 2019
		date 2019-06-09	rnd 1	type Standard	result 0.5	date 2019-06-09	rnd 4	type Standard	result 0.5
		Opponent Vawda, A (Amilcar)				Opponent Suresh, A (Aaradhya)

#	Games	Start				End
1	5	Tournament 2019 South African Junior Team Championships				Tournament 2019 Wild Card Chess Championship
		date 2020-01-08	rnd 7	type Standard	result 1	date 2020-01-10	rnd 4	type Standard	result 1
		Opponent Heunis, F (Fourie)				Opponent Buchalter, S (Shane)
2	5	Tournament GoForChess Junior Championships 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-16	rnd 5	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Pedley, G (Geoffrey)				Opponent Van Der Merwe, M (Marthinus)
3	4	Tournament GoForChess Junior Chess Championships 2019				Tournament GoForChess Junior Chess Championships 2019
		date 2019-06-09	rnd 1	type Standard	result 0.5	date 2019-06-09	rnd 4	type Standard	result 0.5
		Opponent Vawda, A (Amilcar)				Opponent Suresh, A (Aaradhya)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament GoForChess Junior Championships 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-16	rnd 5	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Pedley, G (Geoffrey)				Opponent Van Der Merwe, M (Marthinus)
2	3	Tournament GoForChess Junior Chess Championship 2023				Tournament GoForChess Junior Chess Championship 2023
		date 2023-06-10	rnd 1	type Standard	result 1	date 2023-06-10	rnd 3	type Standard	result 1
		Opponent Moodley, T (Tinesha)				Opponent Carapinha, J (Joao)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament 2019 Wild Card Chess Championship
		date 2020-01-09	rnd 2	type Standard	result 1	date 2020-01-10	rnd 4	type Standard	result 1
		Opponent Wilson, EM (Emlyn)				Opponent Buchalter, S (Shane)

#	Games	Start				End
1	5	Tournament GoForChess Junior Championships 2019				Tournament 2019 South African Junior Team Championships
		date 2019-11-16	rnd 5	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Pedley, G (Geoffrey)				Opponent Van Der Merwe, M (Marthinus)
2	3	Tournament GoForChess Junior Chess Championship 2023				Tournament GoForChess Junior Chess Championship 2023
		date 2023-06-10	rnd 1	type Standard	result 1	date 2023-06-10	rnd 3	type Standard	result 1
		Opponent Moodley, T (Tinesha)				Opponent Carapinha, J (Joao)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament 2019 Wild Card Chess Championship
		date 2020-01-09	rnd 2	type Standard	result 1	date 2020-01-10	rnd 4	type Standard	result 1
		Opponent Wilson, EM (Emlyn)				Opponent Buchalter, S (Shane)

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	Buchalter ,S (Shane)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Buchalter ,S (Shane)	3	1222.8	1364.4	3	1209.6	1364.4	0	0	0	0	0	0
2	Suresh ,A (Aaradhya)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Suresh ,A (Aaradhya)	3	1226.7	1226.7	3	1223.6	1226.7	0	0	0	0	0	0
3	Caraphina ,J (Joao)	2	1	0	2	1	0	0	0	0	0	0	0
3	Caraphina ,J (Joao)	2	1200	1200	2	1200	1200	0	0	0	0	0	0
4	Bazhko ,A (Anton)	2	1	0	2	1	0	0	0	0	0	0	0
4	Bazhko ,A (Anton)	2	1212.8	1212.8	2	1215.2	1212.8	0	0	0	0	0	0
5	Koumbounis ,H (Harry)	1	1	425	1	1	425	0	0	0	0	0	0
5	Koumbounis ,H (Harry)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Retief ,A (Antonie)	1	1	425	1	1	425	0	0	0	0	0	0
6	Retief ,A (Antonie)	1	1196.4	1621.4	1	1204.4	1621.4	0	0	0	0	0	0
7	Maharaj ,A (Aditi)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Maharaj ,A (Aditi)	1	1214.3	789.3	1	1214.7	789.3	0	0	0	0	0	0
8	King ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	King ,D (Daniel)	1	1234.5	809.5	1	1241.6	809.5	0	0	0	0	0	0
9	Lappin ,B (Blaine)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lappin ,B (Blaine)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Robertson ,J (Jonah)	1	1	425	1	1	425	0	0	0	0	0	0
10	Robertson ,J (Jonah)	1	1250.6	1675.6	1	1259.2	1675.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Zhang, L (Leonard)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms