Chess South Africa Ratings Database

PLAYER PAGE

Personal

Zhang, Y (Yingxin)

Chess SA id

1140147326

FIDE id

Date of birth

2014-08-20 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1201.5

Item	Main	Standard	Rapid	Blitz
Rating	1299.7	1333.8	1165.2	1200
Raw rating	1299.7	1333.8	1165.2	1200
Weighted rating	1200.9	1222.1	1163.7	1200
Weighted performance	1283.5	1280.9	0	0
Floor	799.7	833.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.8	137	174.2	165.8
Highest rating	1299.7 2025-11-01	1333.8 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1299.7 2025-11-01	1333.8 2025-11-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200.9 2025-11-01	1222.1 2025-11-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1283.5 2025-11-01	1280.9 2025-11-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1299.7	1333.8	1165.2	1200
Analysis
Rating	1299.7	1333.8	1165.2	1200
Raw rating	1299.7	1333.8	1165.2	1200
Weighted rating	1200.9	1222.1	1163.7
Weighted performance	1283.5	1280.9	0
K-factor	36	36	36	36
Floor	799.7	833.8	700	700
Max/Min rating change allowed	143.8	137	174.2	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	1299.7	1333.8	1165.2	1200
New weighted rating	1209.3	1231.6	1163.7	1200
New weighted performance	1275.7	1273.1	0	0
Temp new rating	1299.7	1333.8	1165.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1299.7	1333.8	1165.2	1200
New K-factor	36	36	36	36
New floor	799.7	833.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	37	37	0
	15	10	5
	0	0	0
	5	0	5
	0	0	0
History	57	47	10

Games since
	Main 52	Standard 47		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3275		1097		309
Male	2561		853		251
U12	497		165		45
U12 Male	350		118		37
Standard
	RSA		Province		Region
Overall	2838		1030		288
Male	2265		823		235
U12	399		154		42
U12 Male	295		110		34
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	37	16	43.24	-57.4	1249.3	1191.8
Standard	37	16	43.24	-57.4	1249.3	1191.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	57	25.5	44.74	-44.7	1227.4	1182.7
Standard	47	21.5	45.74	-36.2	1236.1	1199.9
Rapid	10	4	40	-85	1186.6	1101.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1299.7	1333.8	1165.2	1200
2025-09-30	1214.3	1236.3	1165.2	1200
2025-09-01	1214.3	1236.3	1165.2	1200
2025-08-01	1187.9	1207.4	1165.2	1200
2025-07-01	1187.8	1207.1	1165.2	1200
2025-06-01	1186.5	1204.4	1165.2	1200
2025-05-01	1188	1207.1	1165.2	1200
2025-04-01	1186.7	1205.1	1165.2	1200
2025-03-01	1183	1200.5	1165.2	1200
2025-02-01	1189.9	1210.8	1165.2	1200
2025-01-01	1189.9	1210.8	1159.6	1200
2024-12-01	1189.9	1210.8	1159.6	1200
2024-11-01	1189.9	1210.8	1159.6	1200
2024-10-01	1189.9	1210.8	1159.6	1200
2024-09-01	1189.9	1210.8	1159.6	1200
2024-08-01	1189.9	1210.8	1159.6	1200
2024-07-01	1189.9	1210.8	1159.6	1200
2024-09-01	1189.9	1210.8	1159.6	1200
2024-05-01	1189.9	1210.8	1159.6	1200
2024-04-01	1184.6	1208.3	1159.6	1200
2024-03-01	1172.6	1200	1159.6	1200
2024-02-01	1189	1200	1181.2	1200
2024-01-01	1189	1200	1181.2	1200
2023-12-01	1189	1200	1181.2	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	2025 Gauteng Top Schools Teams (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
2	Chess Power House Spring Rapid 2025 (C)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	0	0	No	Analysis
3	Lonehill Chess Academy - 1st Rated Tournament 2025 (C)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	3	2	Yes	Analysis
4	Knight Riders Juniors Open Chess Tournament 2025 (D)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
6	CPH May 2025 (C)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
7	MCA Summer March 2025 (Junior)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
9	First Knights Juniors Chess Tournament 2025 (C)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	4	0.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Gauteng Top Schools Teams (U11)	2025-08-29	2025-08-29	Standard	Tshwane (GTP)	5	5	5	Yes	Analysis
2	Chess Power House Spring Rapid 2025 (C)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	0	0	No	Analysis
3	Lonehill Chess Academy - 1st Rated Tournament 2025 (C)	2025-08-02	2025-08-02	Standard	Johannesburg Metro (GJM)	5	3	2	Yes	Analysis
4	Knight Riders Juniors Open Chess Tournament 2025 (D)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
5	JMC Crawford Sandton 2025 (D)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
6	CPH May 2025 (C)	2025-05-03	2025-05-03	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
7	MCA Summer March 2025 (Junior)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
9	First Knights Juniors Chess Tournament 2025 (C)	2025-02-09	2025-02-09	Standard	Johannesburg Metro (GJM)	5	4	0.5	Yes	Analysis
10	First Knight Riders Junior Open 2024 (C)	2024-04-20	2024-04-20	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
11	1st Knights Open Tournament 2024 (U10)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
12	Gear Up Mzansi Rapid 2024 (Junior)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
13	Chess Power House Rapid 2022 (U8)	2022-10-22	2022-10-22	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament 2025 Gauteng Top Schools Teams
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-29	rnd 5	type Standard	result 1
		Opponent Daniels, U (Uriel)				Opponent Smith, D (Deone)
2	3	Tournament MCA Welcome 2025				Tournament MCA Summer March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Zheng, Y (Yilin)				Opponent Dlali, C (Chuma)
3	2	Tournament JMC Crawford Sandton 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-10	rnd 5	type Standard	result 0.5	date 2025-05-24	rnd 1	type Standard	result 1
		Opponent Simamane, S (Siphokazi)				Opponent Pillay, Y (Yishai)

#	Games	Start				End
1	3	Tournament MCA Welcome 2025				Tournament MCA Summer March 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-08	rnd 1	type Standard	result 1
		Opponent Zheng, Y (Yilin)				Opponent Dlali, C (Chuma)
2	2	Tournament JMC Crawford Sandton 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-10	rnd 5	type Standard	result 0.5	date 2025-05-24	rnd 1	type Standard	result 1
		Opponent Simamane, S (Siphokazi)				Opponent Pillay, Y (Yishai)
3	2	Tournament First Knight Riders Junior Open 2024				Tournament First Knight Riders Junior Open 2024
		date 2024-04-20	rnd 2	type Standard	result 0.5	date 2024-04-20	rnd 3	type Standard	result 1
		Opponent Du Toit, M (Monika)				Opponent Wang, X (Xingkong)

#	Games	Start				End
1	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Wu, O (Oscar)				Opponent Wu, O (Oscar)
2	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Wang, X (Xingkong)				Opponent Wang, X (Xingkong)
3	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 4	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Joffa, A (Asher Atticus)				Opponent Joffa, A (Asher Atticus)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 1st Knights Open Tournament 2024				Tournament 1st Knights Open Tournament 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-03-23	rnd 5	type Standard	result 1
		Opponent Liebenberg, N (Nathan)				Opponent Hlabangwane, N (Ntwanano)
2	1	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Daniels, U (Uriel)				Opponent Daniels, U (Uriel)
3	1	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Xin, M (Mengru)				Opponent Xin, M (Mengru)

#	Games	Start				End
1	2	Tournament 1st Knights Open Tournament 2024				Tournament 1st Knights Open Tournament 2024
		date 2024-03-23	rnd 4	type Standard	result 1	date 2024-03-23	rnd 5	type Standard	result 1
		Opponent Liebenberg, N (Nathan)				Opponent Hlabangwane, N (Ntwanano)
2	1	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent Daniels, U (Uriel)				Opponent Daniels, U (Uriel)
3	1	Tournament Lonehill Chess Academy - 1st Rated Tournament 2025				Tournament Lonehill Chess Academy - 1st Rated Tournament 2025
		date 2025-08-02	rnd 2	type Standard	result 1	date 2025-08-02	rnd 2	type Standard	result 1
		Opponent Xin, M (Mengru)				Opponent Xin, M (Mengru)

#	Games	Start				End
1	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 4	type Rapid	result 1	date 2024-02-17	rnd 4	type Rapid	result 1
		Opponent Wu, O (Oscar)				Opponent Wu, O (Oscar)
2	1	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 2	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Wang, X (Xingkong)				Opponent Wang, X (Xingkong)
3	1	Tournament Chess Power House Rapid 2022				Tournament Chess Power House Rapid 2022
		date 2022-10-22	rnd 4	type Rapid	result 1	date 2022-10-22	rnd 4	type Rapid	result 1
		Opponent Joffa, A (Asher Atticus)				Opponent Joffa, A (Asher Atticus)

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	Liebenberg ,N (Nathan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Liebenberg ,N (Nathan)	2	1116.4	1116.4	2	1114.5	1116.4	0	0	0	0	0	0
2	Rahlaga ,K (Kaelo Alupheli)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Rahlaga ,K (Kaelo Alupheli)	2	1533.5	1108.5	2	1526.6	1108.5	0	0	0	0	0	0
3	Wang ,X (Xingkong)	2	2	425	1	1	425	1	1	425	0	0	0
3	Wang ,X (Xingkong)	2	1168.7	1593.7	1	1200	1593.7	1	1200	1593.7	0	0	0
4	Daniels ,U (Uriel)	1	1	425	1	1	425	0	0	0	0	0	0
4	Daniels ,U (Uriel)	1	1173.3	1598.3	1	1173.4	1598.3	0	0	0	0	0	0
5	Kgame ,O (Onalenna Itumeleng)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Kgame ,O (Onalenna Itumeleng)	1	1422.3	997.3	1	1420.9	997.3	0	0	0	0	0	0
6	Faridun ,D (Davlatnazar)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Faridun ,D (Davlatnazar)	1	1248	823	1	1281.2	823	0	0	0	0	0	0
7	Mwambazi ,J (James)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mwambazi ,J (James)	1	1236.9	811.9	1	1241.2	811.9	0	0	0	0	0	0
8	Marangarire ,S (Sheunesu)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Marangarire ,S (Sheunesu)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Schauer ,R (Rudi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Schauer ,R (Rudi)	1	1243.5	1668.5	1	1251.3	1668.5	0	0	0	0	0	0
10	Moyo ,M (Musawenkosi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Moyo ,M (Musawenkosi)	1	1195	1620	1	1193.9	1620	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, Y (Yingxin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms