Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viljoen, J (Jordan Joshua)

Chess SA id

1150150277

FIDE id

Date of birth

2015-05-04 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-12-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1201.9	1200	1207.8	1200
Raw rating	1201.9	1200	1207.8	1200
Weighted rating	1201.9	1200	1207.7	1200
Weighted performance	0	0	0	0
Floor	714.9	700	728	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.4	165.8	164	165.8
Highest rating	1238.3 2023-02-01	1200 2018-10-01	1312.4 2023-02-01	1200 2018-10-01
Highest raw rating	1214.9 2023-03-01	1200 2024-03-01	1228 2023-03-01	1200 2024-03-01
Highest weighted rating	1214.9 2023-03-01	1200 2018-10-01	1207.4 2025-08-01	1200 2018-10-01
Highest weighted performance	1238.3 2023-02-01	1200 2024-03-01	1312.4 2023-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1201.9	1200	1207.8	1200
Analysis
Rating	1201.9	1200	1207.8	1200
Raw rating	1201.9	1200	1207.8	1200
Weighted rating	1201.9	1200	1207.7
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	714.9	700	728	700
Max/Min rating change allowed	165.4	165.8	164	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	1201.9	1200	1207.8	1200
New weighted rating	1201.9	1200	1207.8	1200
New weighted performance	0	0	0	0
Temp new rating	1201.9	1200	1207.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1201.9	1200	1207.8	1200
New K-factor	36	36	36	36
New floor	714.9	700	728	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	20	20
	0	0
	0	0
History	20	20

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	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	20	10	50	0	1205.3	1205.3
Standard	0	0	0	0	0	0
Rapid	20	10	50	0	1205.3	1205.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1201.9	1200	1207.8	1200
2025-09-01	1201.9	1200	1207.8	1200
2025-08-01	1201.9	1200	1207.8	1200
2025-07-01	1201.9	1200	1207.8	1200
2025-06-01	1201.9	1200	1207.8	1200
2025-05-01	1201.9	1200	1207.8	1200
2025-04-01	1201.9	1200	1207.8	1200
2025-03-01	1201.9	1200	1207.8	1200
2025-02-01	1201.9	1200	1207.8	1200
2025-01-01	1201.9	1200	1207.8	1200
2024-12-01	1201.9	1200	1207.8	1200
2024-11-01	1201.9	1200	1207.8	1200
2024-10-01	1201.9	1200	1207.8	1200
2024-09-01	1201.9	1200	1207.8	1200
2024-08-01	1201.9	1200	1207.8	1200
2024-07-01	1201.9	1200	1207.8	1200
2024-06-01	1201.9	1200	1207.8	1200
2024-08-01	1201.9	1200	1207.8	1200
2024-04-01	1201.9	1200	1207.8	1200
2024-03-01	1201.9	1200	1207.8	1200
2024-02-01	1201.9	1200	1207.8	1200
2024-01-01	1201.9	1200	1207.8	1200
2023-12-01	1201.9	1200	1207.8	1200
2023-11-01	1189.4	1200	1187.3	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	Gordons Bay Primary Chess Championship 2023 (U7+U9 Mixed)	2023-12-09	2023-12-09	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
2	Cape Town Metro Schools Chess Closed Individuals 2023 (U9 Boys)	2023-03-04	2023-03-04	Rapid	Cape Town (WCT)	5	5	1.5	Yes	Analysis
3	Mary-Anne Bartels Chess Tournament 2023 (U7+U9)	2023-02-21	2023-02-21	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
4	District East Schools Chess Individual Trials 2023 (U7+U9 Mixed)	2023-02-04	2023-02-04	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 1	date 2023-02-21	rnd 4	type Rapid	result 1
		Opponent Dudhia, H (Hamza)				Opponent Kramer, R (Ruben)
2	3	Tournament Gordons Bay Primary Chess Championship 2023				Tournament Gordons Bay Primary Chess Championship 2023
		date 2023-12-09	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 5	type Rapid	result 1
		Opponent Webb, P (Paul)				Opponent Dudhia, H (Hamza)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 4	type Rapid	result 0.5	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Jacobs, E (Emmanuel)				Opponent Sonday, R (Rayyan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 1	type Rapid	result 1	date 2023-02-21	rnd 4	type Rapid	result 1
		Opponent Dudhia, H (Hamza)				Opponent Kramer, R (Ruben)
2	3	Tournament Gordons Bay Primary Chess Championship 2023				Tournament Gordons Bay Primary Chess Championship 2023
		date 2023-12-09	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 5	type Rapid	result 1
		Opponent Webb, P (Paul)				Opponent Dudhia, H (Hamza)
3	2	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 4	type Rapid	result 0.5	date 2023-03-04	rnd 5	type Rapid	result 1
		Opponent Jacobs, E (Emmanuel)				Opponent Sonday, R (Rayyan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gordons Bay Primary Chess Championship 2023				Tournament Gordons Bay Primary Chess Championship 2023
		date 2023-12-09	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 5	type Rapid	result 1
		Opponent Webb, P (Paul)				Opponent Dudhia, H (Hamza)
2	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 3	type Rapid	result 1	date 2023-02-21	rnd 4	type Rapid	result 1
		Opponent Diergardt, L (Leo)				Opponent Kramer, R (Ruben)
3	2	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 3	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Williams, H (Henry)				Opponent Myendeki, A (Aphakama)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Gordons Bay Primary Chess Championship 2023				Tournament Gordons Bay Primary Chess Championship 2023
		date 2023-12-09	rnd 3	type Rapid	result 1	date 2023-12-09	rnd 5	type Rapid	result 1
		Opponent Webb, P (Paul)				Opponent Dudhia, H (Hamza)
2	2	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Mary-Anne Bartels Chess Tournament 2023
		date 2023-02-21	rnd 3	type Rapid	result 1	date 2023-02-21	rnd 4	type Rapid	result 1
		Opponent Diergardt, L (Leo)				Opponent Kramer, R (Ruben)
3	2	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 3	type Rapid	result 1	date 2023-02-04	rnd 4	type Rapid	result 1
		Opponent Williams, H (Henry)				Opponent Myendeki, A (Aphakama)

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	Dudhia ,H (Hamza)	2	2	425	0	0	0	2	2	425	0	0	0
1	Dudhia ,H (Hamza)	2	1241	1666	0	0	0	2	1236.2	1666	0	0	0
2	Marais ,A (Alexander)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Marais ,A (Alexander)	1	1249.2	824.2	0	0	0	1	1286.1	824.2	0	0	0
3	Jacobs ,E (Emmanuel)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
3	Jacobs ,E (Emmanuel)	1	1108.1	1108.1	0	0	0	1	1112.4	1108.1	0	0	0
4	Kruger ,J (Josua Baruch)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Kruger ,J (Josua Baruch)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Webb ,P (Paul)	1	1	425	0	0	0	1	1	425	0	0	0
5	Webb ,P (Paul)	1	1180.1	1605.1	0	0	0	1	1168.4	1605.1	0	0	0
6	Bubb ,J (John)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Bubb ,J (John)	1	1214.8	789.8	0	0	0	1	1220	789.8	0	0	0
7	Williams ,H (Henry)	1	1	425	0	0	0	1	1	425	0	0	0
7	Williams ,H (Henry)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Blom ,L (Luca)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Blom ,L (Luca)	1	1226.6	801.6	0	0	0	1	1282.2	801.6	0	0	0
9	Holdsworth ,J (Jordan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Holdsworth ,J (Jordan)	1	1259.1	834.1	0	0	0	1	1310.4	834.1	0	0	0
10	Myendeni ,A (Aphakama)	1	1	425	0	0	0	1	1	425	0	0	0
10	Myendeni ,A (Aphakama)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Viljoen, J (Jordan Joshua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms