Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vollenhoven, J (Jodrian Waleek)

Chess SA id

1090137696

FIDE id

Date of birth

2009-02-11 (U18)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-11-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1096.7	1087.2	1180.4	1200
Raw rating	1096.7	1087.2	1180.4	1200
Weighted rating	1096.7	1087.2	1180.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	192.1	194.7	170.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1096.7	1087.2	1180.4	1200
Analysis
Rating	1096.7	1087.2	1180.4	1200
Raw rating	1096.7	1087.2	1180.4	1200
Weighted rating	1096.7	1087.2	1180.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	192.1	194.7	170.5	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	1096.7	1087.2	1180.4	1200
New weighted rating	1096.7	1087.2	1180.4	1200
New weighted performance	0	0	0	0
Temp new rating	1096.7	1087.2	1180.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1096.7	1087.2	1180.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	12	8	4
	0	0	0
History	12	8	4

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	12	2.5	20.83	-247.9	1187.6	939.7
Standard	8	1	12.5	-318.8	1182.3	863.6
Rapid	4	1.5	37.5	-106.2	1198.3	1092.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1096.7	1087.2	1180.4	1200
2025-09-01	1096.7	1087.2	1180.4	1200
2025-08-01	1096.7	1087.2	1180.4	1200
2025-07-01	1096.7	1087.2	1180.4	1200
2025-06-01	1096.7	1087.2	1180.4	1200
2025-05-01	1096.7	1087.2	1180.4	1200
2025-04-01	1096.7	1087.2	1180.4	1200
2025-03-01	1096.7	1087.2	1180.4	1200
2025-02-01	1096.7	1087.2	1180.4	1200
2025-01-01	1096.7	1087.2	1180.4	1200
2024-12-01	1096.7	1087.2	1180.4	1200
2024-11-01	1096.7	1087.2	1180.4	1200
2024-10-01	1096.7	1087.2	1180.4	1200
2024-09-01	1096.7	1087.2	1180.4	1200
2024-08-01	1096.7	1087.2	1180.4	1200
2024-07-01	1096.7	1087.2	1180.4	1200
2024-06-01	1096.7	1087.2	1180.4	1200
2024-08-01	1096.7	1087.2	1180.4	1200
2024-04-01	1096.7	1087.2	1180.4	1200
2024-03-01	1096.7	1087.2	1180.4	1200
2024-02-01	1096.7	1087.2	1180.4	1200
2024-01-01	1096.7	1087.2	1180.4	1200
2023-12-01	1096.7	1087.2	1180.4	1200
2023-11-01	1096.7	1087.2	1180.4	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	CW Grass Roots Tournament 2022 (U13 Boys)	2022-11-19	2022-11-19	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
2	Cape Winelands Schools 2022 (U13 Boys)	2022-03-12	2022-03-12	Standard	Cape Winelands (WCW)	5	4	0	Yes	Analysis
3	Lanfeberg Schools Chess Trials 2022 (U13 Boys)	2022-02-26	2022-02-26	Rapid	Cape Winelands (WCW)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament Lanfeberg Schools Chess Trials 2022				Tournament Lanfeberg Schools Chess Trials 2022
		date 2022-02-26	rnd 1	type Rapid	result 0.5	date 2022-02-26	rnd 2	type Rapid	result 1
		Opponent Cloete, R (Ryan Julian)				Opponent Uys, X (Xander)
2	1	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 5	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Mostert, R (Ruan)				Opponent Mostert, R (Ruan)

#	Games	Start				End
1	1	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 5	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Mostert, R (Ruan)				Opponent Mostert, R (Ruan)

#	Games	Start				End
1	2	Tournament Lanfeberg Schools Chess Trials 2022				Tournament Lanfeberg Schools Chess Trials 2022
		date 2022-02-26	rnd 1	type Rapid	result 0.5	date 2022-02-26	rnd 2	type Rapid	result 1
		Opponent Cloete, R (Ryan Julian)				Opponent Uys, X (Xander)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 5	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Mostert, R (Ruan)				Opponent Mostert, R (Ruan)
2	1	Tournament Lanfeberg Schools Chess Trials 2022				Tournament Lanfeberg Schools Chess Trials 2022
		date 2022-02-26	rnd 2	type Rapid	result 1	date 2022-02-26	rnd 2	type Rapid	result 1
		Opponent Uys, X (Xander)				Opponent Uys, X (Xander)

#	Games	Start				End
1	1	Tournament CW Grass Roots Tournament 2022				Tournament CW Grass Roots Tournament 2022
		date 2022-11-19	rnd 5	type Standard	result 1	date 2022-11-19	rnd 5	type Standard	result 1
		Opponent Mostert, R (Ruan)				Opponent Mostert, R (Ruan)

#	Games	Start				End
1	1	Tournament Lanfeberg Schools Chess Trials 2022				Tournament Lanfeberg Schools Chess Trials 2022
		date 2022-02-26	rnd 2	type Rapid	result 1	date 2022-02-26	rnd 2	type Rapid	result 1
		Opponent Uys, X (Xander)				Opponent Uys, X (Xander)

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	Rohrs ,S (Sam)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Rohrs ,S (Sam)	1	1191.8	766.8	1	1200	766.8	0	0	0	0	0	0
2	Fourie ,O (Ockert)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Fourie ,O (Ockert)	1	1066.5	641.5	1	1046.6	641.5	0	0	0	0	0	0
3	Grobbelaar ,A (Altus)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Grobbelaar ,A (Altus)	1	1248.5	823.5	1	1191.6	823.5	0	0	0	0	0	0
4	Cupido ,S (Sergio)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Cupido ,S (Sergio)	1	1195.5	770.5	1	1200	770.5	0	0	0	0	0	0
5	Lombaard ,R (Romelio)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Lombaard ,R (Romelio)	1	1199.5	774.5	1	1200	774.5	0	0	0	0	0	0
6	Ntsondwa ,L (Lunika)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ntsondwa ,L (Lunika)	1	1156.2	731.2	1	1200	731.2	0	0	0	0	0	0
7	Mostert ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mostert ,R (Ruan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Elvizo ,M (Machiel)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Elvizo ,M (Machiel)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Solomon ,H (Handre)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Solomon ,H (Handre)	1	1186.1	761.1	0	0	0	1	1175.6	761.1	0	0	0
10	Uys ,X (Xander)	1	1	425	0	0	0	1	1	425	0	0	0
10	Uys ,X (Xander)	1	1207	1632	0	0	0	1	1231.1	1632	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Vollenhoven, J (Jodrian Waleek)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms