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

Item	Main	Standard	Rapid	Blitz
Rating	954.8	905.7	922	772
Raw rating	954.8	905.7	922	772
Weighted rating	919	859.7	917	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	919	859.7	917
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	924.4	865.6	919	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
2026-01-01	954.8	905.7	922	772
2025-11-30	954.8	905.7	922	772
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
2024-11-01	855.2	772	922	772
2024-07-01	855.2	772	922	772
2024-06-01	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

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	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

Tournaments

Grand Prix

Statistics

Notifications

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