Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yang, Z (Ziye)

Chess SA id

1120112168

FIDE id

Date of birth

2012-08-16 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-05-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1149	1140.4	1200	1200
Raw rating	1149	1140.4	1200	1200
Weighted rating	1149	1140.4	1200	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.3	180.5	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1149	1140.4	1200	1200
Analysis
Rating	1149	1140.4	1200	1200
Raw rating	1149	1140.4	1200	1200
Weighted rating	1149	1140.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.3	180.5	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	1149	1140.4	1200	1200
New weighted rating	1149	1140.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1149	1140.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1149	1140.4	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	14	14

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	14	6	42.86	-60.7	1172.4	1111.7
Standard	14	6	42.86	-60.7	1172.4	1111.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1149	1140.4	1200	1200
2025-09-01	1149	1140.4	1200	1200
2025-08-01	1149	1140.4	1200	1200
2025-07-01	1149	1140.4	1200	1200
2025-06-01	1149	1140.4	1200	1200
2025-05-01	1149	1140.4	1200	1200
2025-04-01	1149	1140.4	1200	1200
2025-03-01	1149	1140.4	1200	1200
2025-02-01	1149	1140.4	1200	1200
2025-01-01	1149	1140.4	1200	1200
2024-12-01	1149	1140.4	1200	1200
2024-11-01	1149	1140.4	1200	1200
2024-10-01	1149	1140.4	1200	1200
2024-09-01	1149	1140.4	1200	1200
2024-08-01	1149	1140.4	1200	1200
2024-07-01	1149	1140.4	1200	1200
2024-06-01	1149	1140.4	1200	1200
2024-08-01	1149	1140.4	1200	1200
2024-04-01	1149	1140.4	1200	1200
2024-03-01	1149	1140.4	1200	1200
2024-02-01	1149	1140.4	1200	1200
2024-01-01	1149	1140.4	1200	1200
2023-12-01	1149	1140.4	1200	1200
2023-11-01	1149	1140.4	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	The Metro Open 2019 (Cadets)	2019-05-25	2019-05-25	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JNW Club - Bryanston Open 2 2019 (F)	2019-05-11	2019-05-11	Standard	Johannesburg Metro (GJM)	5	4	1.5	Yes	Analysis
3	JNW Club - Charterhouse Open 2019 (F)	2019-04-13	2019-04-13	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament The Metro Open 2019				Tournament The Metro Open 2019
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-05-25	rnd 4	type Standard	result 1
		Opponent Deysel, H (Hannah)				Opponent Retief, A (Antonie)
2	2	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 1	type Standard	result 0.5	date 2019-05-11	rnd 2	type Standard	result 1
		Opponent Eapen, J (Johan)				Opponent Tsai, M (Ming)
3	2	Tournament JNW Club - Charterhouse Open 2019				Tournament JNW Club - Charterhouse Open 2019
		date 2019-04-13	rnd 3	type Standard	result 0.5	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Zhang, L (Leonard)				Opponent Van Heerden, D (David)

#	Games	Start				End
1	2	Tournament The Metro Open 2019				Tournament The Metro Open 2019
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-05-25	rnd 4	type Standard	result 1
		Opponent Deysel, H (Hannah)				Opponent Retief, A (Antonie)
2	2	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 1	type Standard	result 0.5	date 2019-05-11	rnd 2	type Standard	result 1
		Opponent Eapen, J (Johan)				Opponent Tsai, M (Ming)
3	2	Tournament JNW Club - Charterhouse Open 2019				Tournament JNW Club - Charterhouse Open 2019
		date 2019-04-13	rnd 3	type Standard	result 0.5	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Zhang, L (Leonard)				Opponent Van Heerden, D (David)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament The Metro Open 2019				Tournament The Metro Open 2019
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-05-25	rnd 4	type Standard	result 1
		Opponent Deysel, H (Hannah)				Opponent Retief, A (Antonie)
2	1	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-11	rnd 2	type Standard	result 1
		Opponent Tsai, M (Ming)				Opponent Tsai, M (Ming)
3	1	Tournament JNW Club - Charterhouse Open 2019				Tournament JNW Club - Charterhouse Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Van Heerden, D (David)				Opponent Van Heerden, D (David)

#	Games	Start				End
1	2	Tournament The Metro Open 2019				Tournament The Metro Open 2019
		date 2019-05-25	rnd 3	type Standard	result 1	date 2019-05-25	rnd 4	type Standard	result 1
		Opponent Deysel, H (Hannah)				Opponent Retief, A (Antonie)
2	1	Tournament JNW Club - Bryanston Open 2 2019				Tournament JNW Club - Bryanston Open 2 2019
		date 2019-05-11	rnd 2	type Standard	result 1	date 2019-05-11	rnd 2	type Standard	result 1
		Opponent Tsai, M (Ming)				Opponent Tsai, M (Ming)
3	1	Tournament JNW Club - Charterhouse Open 2019				Tournament JNW Club - Charterhouse Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 4	type Standard	result 1
		Opponent Van Heerden, D (David)				Opponent Van Heerden, D (David)

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	Kelly ,K (Kaleb)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Kelly ,K (Kaleb)	2	1203.9	778.9	2	1202.2	778.9	0	0	0	0	0	0
2	Nwafor ,C (Chichi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Nwafor ,C (Chichi)	1	1123.3	1548.3	1	1105.2	1548.3	0	0	0	0	0	0
3	Van Heerden ,D (David)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Heerden ,D (David)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mungal ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mungal ,E (Ethan)	1	1179	754	1	1176.4	754	0	0	0	0	0	0
5	Eapen ,J (Johan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Eapen ,J (Johan)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	Yang ,JD (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Yang ,JD (Daniel)	1	1179.8	754.8	1	1166.2	754.8	0	0	0	0	0	0
7	Deysel ,H (Hannah)	1	1	425	1	1	425	0	0	0	0	0	0
7	Deysel ,H (Hannah)	1	1012.8	1437.8	1	1001.2	1437.8	0	0	0	0	0	0
8	Van Der Sandt ,I (Iliana)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Der Sandt ,I (Iliana)	1	1145.7	720.7	1	1137.6	720.7	0	0	0	0	0	0
9	Pretorius ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Pretorius ,C (Christiaan)	1	1217.9	792.9	1	1221.6	792.9	0	0	0	0	0	0
10	Tsai ,M (Ming)	1	1	425	1	1	425	0	0	0	0	0	0
10	Tsai ,M (Ming)	1	1106.1	1531.1	1	1089.2	1531.1	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

Yang, Z (Ziye)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms