Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chu, J (James)

Chess SA id

107075264

FIDE id

Date of birth

2007-12-17 (U20)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1330.4

Item	Main	Standard	Rapid	Blitz
Rating	954.8	905.7	922	772
Raw rating	954.8	905.7	922	772
Weighted rating	906.3	846.6	911.5	772
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	235.1	252.2	246.4	305.1
Highest rating	1283.3 2024-04-01	1200 2024-03-01	1324.5 2024-04-01	1200 2024-03-01
Highest raw rating	954.8 2025-09-01	905.7 2025-09-01	922 2024-06-01	772 2024-03-01
Highest weighted rating	921.9 2024-11-01	858 2024-11-01	922 2024-11-01	772 2024-11-01
Highest weighted performance	1283.3 2024-04-01	1200 2024-03-01	1324.5 2024-04-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	954.8	905.7	922	772
Analysis
Rating	954.8	905.7	922	772
Raw rating	954.8	905.7	922	772
Weighted rating	906.3	846.6	911.5
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	235.1	252.2	246.4	305.1
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	954.8	905.7	922	772
New weighted rating	912.9	853.4	914.5	772
New weighted performance	0	0	0	0
Temp new rating	954.8	905.7	922	772
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	954.8	905.7	922	772
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	12	6	6
	0	0	0
	0	0	0
	0	0	0
History	16	10	6

Games since
	Main 16	Standard 10		Rapid 6		Blitz 0
Gender	Male
Age group	U20
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	4	1.5	37.5	-106.2	1282.5	1176.2
Standard	4	1.5	37.5	-106.2	1282.5	1176.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	8.5	53.12	26.6	1237.7	1264.3
Standard	10	4.5	45	-42.5	1260.1	1217.6
Rapid	6	4	66.67	141.7	1200.5	1342.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	954.8	905.7	922	772
2025-09-30	954.8	905.7	922	772
2025-09-01	954.8	905.7	922	772
2025-08-01	921.9	858	922	772
2025-07-01	921.9	858	922	772
2025-06-01	921.9	858	922	772
2025-05-01	921.9	858	922	772
2025-04-01	921.9	858	922	772
2025-03-01	921.9	858	922	772
2025-02-01	921.9	858	922	772
2025-01-01	921.9	858	922	772
2024-12-01	921.9	858	922	772
2024-11-01	855.2	772	922	772
2024-10-01	855.2	772	922	772
2024-09-01	855.2	772	922	772
2024-08-01	855.2	772	922	772
2024-07-01	855.2	772	922	772
2024-09-01	855.2	772	922	772
2024-05-01	772	772	772	772
2024-04-01	772	772	772	772
2024-03-01	772	772	772	772
2024-02-01	772	772	772	772
2024-01-01	772	772	772	772
2023-12-01	772	772	772	772

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	Cape Town Metro North Top Schools 2025 (U19)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Metro North Top Schools 2025 (U19)	2025-08-01	2025-08-02	Standard	Cape Town (WCT)	5	4	1.5	Yes	Analysis
2	Paarl Boys' High Chess Festival 2024	2024-10-04	2024-10-05	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Cape Town Junior League - Qualifier 2 2024 (U18)	2024-04-20	2024-04-20	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 6	type Rapid	result 1
		Opponent Van Tonder, F (Francois)				Opponent Daniels, P (Peter)
2	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 0.5
		Opponent De Bruyn, J (Jean-Paul)				Opponent Meyer, A (Adam)
3	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Bodenstein, A (Adriaan)				Opponent De Waal, E (Erik)

#	Games	Start				End
1	2	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 0.5
		Opponent De Bruyn, J (Jean-Paul)				Opponent Meyer, A (Adam)
2	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Bodenstein, A (Adriaan)				Opponent De Waal, E (Erik)
3	1	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 6	type Standard	result 1	date 2024-10-05	rnd 6	type Standard	result 1
		Opponent White, D (Dvenerio)				Opponent White, D (Dvenerio)

#	Games	Start				End
1	3	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 6	type Rapid	result 1
		Opponent Van Tonder, F (Francois)				Opponent Daniels, P (Peter)
2	1	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 1	type Rapid	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Ntabeni, P (Phelisa)				Opponent Ntabeni, P (Phelisa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 6	type Rapid	result 1
		Opponent Van Tonder, F (Francois)				Opponent Daniels, P (Peter)
2	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Bodenstein, A (Adriaan)				Opponent De Waal, E (Erik)
3	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent De Bruyn, J (Jean-Paul)				Opponent De Bruyn, J (Jean-Paul)

#	Games	Start				End
1	2	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-04	rnd 3	type Standard	result 1	date 2024-10-05	rnd 4	type Standard	result 1
		Opponent Bodenstein, A (Adriaan)				Opponent De Waal, E (Erik)
2	1	Tournament Cape Town Metro North Top Schools 2025				Tournament Cape Town Metro North Top Schools 2025
		date 2025-08-02	rnd 4	type Standard	result 1	date 2025-08-02	rnd 4	type Standard	result 1
		Opponent De Bruyn, J (Jean-Paul)				Opponent De Bruyn, J (Jean-Paul)
3	1	Tournament Paarl Boys' High Chess Festival 2024				Tournament Paarl Boys' High Chess Festival 2024
		date 2024-10-05	rnd 6	type Standard	result 1	date 2024-10-05	rnd 6	type Standard	result 1
		Opponent White, D (Dvenerio)				Opponent White, D (Dvenerio)

#	Games	Start				End
1	3	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 4	type Rapid	result 1	date 2024-04-20	rnd 6	type Rapid	result 1
		Opponent Van Tonder, F (Francois)				Opponent Daniels, P (Peter)
2	1	Tournament Cape Town Junior League - Qualifier 2 2024				Tournament Cape Town Junior League - Qualifier 2 2024
		date 2024-04-20	rnd 1	type Rapid	result 1	date 2024-04-20	rnd 1	type Rapid	result 1
		Opponent Ntabeni, P (Phelisa)				Opponent Ntabeni, P (Phelisa)

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	Stander ,H (Hendrik)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Stander ,H (Hendrik)	1	1460	1035	1	1458.1	1035	0	0	0	0	0	0
2	Bodenstein ,A (Adriaan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Bodenstein ,A (Adriaan)	1	524	949	1	524	949	0	0	0	0	0	0
3	Priestley ,L (Logan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Priestley ,L (Logan)	1	1543.2	1118.2	1	1550.9	1118.2	0	0	0	0	0	0
4	White ,D (Dvenerio)	1	1	425	1	1	425	0	0	0	0	0	0
4	White ,D (Dvenerio)	1	1321.4	1746.4	1	1268.9	1746.4	0	0	0	0	0	0
5	De Waal ,E (Erik)	1	1	425	1	1	425	0	0	0	0	0	0
5	De Waal ,E (Erik)	1	1463	1888	1	1444.2	1888	0	0	0	0	0	0
6	Meyer ,A (Adam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Meyer ,A (Adam)	1	1207.2	1207.2	1	1200	1207.2	0	0	0	0	0	0
7	Usher ,A (Ali)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Usher ,A (Ali)	1	1177	752	1	1169.6	752	0	0	0	0	0	0
8	De Bruyn ,J (Jean-Paul)	1	1	425	1	1	425	0	0	0	0	0	0
8	De Bruyn ,J (Jean-Paul)	1	1202.5	1627.5	1	1199.4	1627.5	0	0	0	0	0	0
9	Magxidolo ,M (Mivuyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Magxidolo ,M (Mivuyo)	1	1277.3	852.3	1	1283.7	852.3	0	0	0	0	0	0
10	Goliath ,Q (Quinn)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Goliath ,Q (Quinn)	1	1425.2	1000.2	1	1404.4	1000.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Chu, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms