Chess South Africa Ratings Database

PLAYER PAGE

Personal

Long, J (Jianyu)

Chess SA id

1110302689

FIDE id

Date of birth

2011-09-28 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

CHN

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

2025-03-25

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1416.8	1412.2	1200	1200
Raw rating	1416.8	1412.2	1200	1200
Weighted rating	1344.7	1339.4	1200	1200
Weighted performance	1377.6	1380.1	0	0
Floor	975.8	971.1	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	121.8	122.6	165.8	165.8
Highest rating	1475.8 2025-03-01	1471.1 2025-03-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1475.8 2025-03-01	1471.1 2025-03-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1334.3 2025-09-01	1329.1 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1475.8 2025-03-01	1471.1 2025-01-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1416.8	1412.2	1200	1200
Analysis
Rating	1416.8	1412.2	1200	1200
Raw rating	1416.8	1412.2	1200	1200
Weighted rating	1344.7	1339.4	1200
Weighted performance	1377.6	1380.1	0
K-factor	32	32	36	36
Floor	975.8	971.1	700	700
Max/Min rating change allowed	121.8	122.6	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	1416.8	1412.2	1200	1200
New weighted rating	1354.4	1349	1200	1200
New weighted performance	1377.1	1379.6	0	0
Temp new rating	1416.8	1412.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1416.8	1412.2	1200	1200
New K-factor	32	32	36	36
New floor	975.8	971.1	700	700

Item	Main	Standard
	0	0
	45	45
	58	58
	0	0
	0	0
	0	0
History	103	103

Games since
	Main 103	Standard 103		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	1994		706		253
Male	1660		577		200
U16	291		93		36
U16 Male	229		70		28
Standard
	RSA		Province		Region
Overall	1927		726		275
Male	1584		591		216
U16	287		99		38
U16 Male	225		74		29
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	45	26.5	58.89	75.6	1333.2	1408.7
Standard	45	26.5	58.89	75.6	1333.2	1408.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	103	57	55.34	45.4	1300.2	1345.5
Standard	103	57	55.34	45.4	1300.2	1345.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1416.8	1412.2	1200	1200
2025-09-01	1416.8	1412.2	1200	1200
2025-08-01	1421.1	1416.2	1200	1200
2025-07-01	1401.9	1395.1	1200	1200
2025-06-01	1421.8	1407.5	1200	1200
2025-05-01	1421.8	1407.5	1200	1200
2025-04-01	1421.8	1407.5	1200	1200
2025-03-01	1475.8	1471.1	1200	1200
2025-02-01	1371.9	1364.6	1200	1200
2025-01-01	1371.9	1364.6	1200	1200
2024-12-01	1210	1206.1	1200	1200
2024-11-01	1210	1206.1	1200	1200
2024-10-01	1210	1206.1	1200	1200
2024-09-01	1205.6	1204.7	1200	1200
2024-08-01	1246.2	1250.8	1200	1200
2024-07-01	1218.4	1221.6	1200	1200
2024-06-01	1237.7	1243.6	1200	1200
2024-08-01	1212.9	1215.2	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	2025 Etienne Lewis Closed Chess Tournament (U16)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
2	South African Open 2025 (U16 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JCC Steyn City High Schools League 2025 (A)	2025-05-07	2025-06-09	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
4	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
5	JCC - Dainfern Chess League 2025 (A)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	5	3.5	Yes	Analysis
6	AHS Open Chess Tournament 2025 (C)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
7	Constantiapark Open 2025 (C)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2025 Blou Bul Open Chess Tournament (D2)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Etienne Lewis Closed Chess Tournament (U16)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
2	South African Open 2025 (U16 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
3	JCC Steyn City High Schools League 2025 (A)	2025-05-07	2025-06-09	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
4	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	4	Yes	Analysis
5	JCC - Dainfern Chess League 2025 (A)	2025-02-03	2025-03-17	Standard	Johannesburg Metro (GJM)	6	5	3.5	Yes	Analysis
6	AHS Open Chess Tournament 2025 (C)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
7	Constantiapark Open 2025 (C)	2025-02-15	2025-02-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2025 Blou Bul Open Chess Tournament (D2)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
9	Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	5	Yes	Analysis
10	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
11	2024 Etienne Lewis (U14)	2024-08-30	2024-09-01	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
12	Bojanala's FIDE In The Sparkling Waters 2024 (Rooks)	2024-08-16	2024-08-18	Standard	Bojanala Platina (NBR)	6	6	2.5	Yes	Analysis
13	2024 Alekhine Open Chess Tournament (B)	2024-08-09	2024-08-10	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
14	2024 Midstream College Open Chess Tournament (B1)	2024-07-20	2024-07-20	Standard	Tshwane (GTP)	5	4	1	Yes	Analysis
15	Menlopark Open Chess Tournament 2024 (B)	2024-07-13	2024-07-13	Standard	Tshwane (GTP)	5	2	1	Yes	Analysis
16	2024 Prestige College Open Chess Tournament (D)	2024-07-06	2024-07-06	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
17	2024 Elise Steenkamp Open Chess Tournament (Queens)	2024-06-15	2024-06-17	Standard	Tshwane (GTP)	7	7	3	Yes	Analysis
18	2024 Mid Gauteng Open Chess Tournament (U14)	2024-05-02	2024-05-02	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	2024 Silver Lakes Open Chess Tournament (D3)	2024-04-20	2024-04-20	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-17	rnd 3	type Standard	result 1
		Opponent De Jager, K (Konrad)				Opponent Upadhyay, S (Savya)
2	7	Tournament 2025 Blou Bul Open Chess Tournament				Tournament Constantiapark Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Jansen Van Vuuren, A (Andre)				Opponent Senthikumar, S (Sakalesh)
3	4	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-10	rnd 7	type Standard	result 1
		Opponent Burger, C (Christoff)				Opponent Kritzinger, M (Madeleine)

#	Games	Start				End
1	8	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-17	rnd 3	type Standard	result 1
		Opponent De Jager, K (Konrad)				Opponent Upadhyay, S (Savya)
2	7	Tournament 2025 Blou Bul Open Chess Tournament				Tournament Constantiapark Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Jansen Van Vuuren, A (Andre)				Opponent Senthikumar, S (Sakalesh)
3	4	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-10	rnd 7	type Standard	result 1
		Opponent Burger, C (Christoff)				Opponent Kritzinger, M (Madeleine)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament 2025 Blou Bul Open Chess Tournament				Tournament Constantiapark Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Jansen Van Vuuren, A (Andre)				Opponent Senthikumar, S (Sakalesh)
2	4	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent De Jager, K (Konrad)				Opponent Grobbelaar, H (Hannes)
3	4	Tournament 2024 Mid Gauteng Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-05-02	rnd 3	type Standard	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Mariah, S (Suriya)				Opponent Nyokabi, S (Samara)

#	Games	Start				End
1	7	Tournament 2025 Blou Bul Open Chess Tournament				Tournament Constantiapark Open 2025
		date 2025-02-08	rnd 2	type Standard	result 1	date 2025-02-15	rnd 2	type Standard	result 1
		Opponent Jansen Van Vuuren, A (Andre)				Opponent Senthikumar, S (Sakalesh)
2	4	Tournament Gauteng Inter-Region at UJ 2024				Tournament Gauteng Inter-Region at UJ 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-08	rnd 4	type Standard	result 1
		Opponent De Jager, K (Konrad)				Opponent Grobbelaar, H (Hannes)
3	4	Tournament 2024 Mid Gauteng Open Chess Tournament				Tournament 2024 Elise Steenkamp Open Chess Tournament
		date 2024-05-02	rnd 3	type Standard	result 1	date 2024-06-15	rnd 1	type Standard	result 1
		Opponent Mariah, S (Suriya)				Opponent Nyokabi, S (Samara)

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	Fokker ,CD (Christiaan Dirk)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Fokker ,CD (Christiaan Dirk)	3	1266	1407.7	3	1253.8	1407.7	0	0	0	0	0	0
2	Van Der Walt ,H (Henrico)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Van Der Walt ,H (Henrico)	2	1455.1	1667.6	2	1451	1667.6	0	0	0	0	0	0
3	Hlatshwayo ,Q (Qhawe)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Hlatshwayo ,Q (Qhawe)	2	1419.9	994.9	2	1416.9	994.9	0	0	0	0	0	0
4	Mmakou ,L (Lesedi)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Mmakou ,L (Lesedi)	2	1436.8	1011.8	2	1435.9	1011.8	0	0	0	0	0	0
5	Van Rooyen ,D (Dandre)	2	1	0	2	1	0	0	0	0	0	0	0
5	Van Rooyen ,D (Dandre)	2	1261.2	1261.2	2	1255.2	1261.2	0	0	0	0	0	0
6	Chadalavada ,B (Bhaarghavarama)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Chadalavada ,B (Bhaarghavarama)	1	1259.8	1259.8	1	1247.7	1259.8	0	0	0	0	0	0
7	Webb ,A (Abbygail)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Webb ,A (Abbygail)	1	1192.8	767.8	1	1188.7	767.8	0	0	0	0	0	0
8	Mooa ,O (Oalaotse)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Mooa ,O (Oalaotse)	1	1188	1188	1	1187.6	1188	0	0	0	0	0	0
9	Mashele ,N (Naledi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mashele ,N (Naledi)	1	1146.2	1571.2	1	1134.8	1571.2	0	0	0	0	0	0
10	Ndlovu ,J (Jacob)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Ndlovu ,J (Jacob)	1	1156.2	1156.2	1	1158	1156.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Long, J (Jianyu)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms