Chess South Africa Ratings Database

PLAYER PAGE

Personal

Dalhuysen, J (Jan)

Chess SA id

105083968

FIDE id

Date of birth

2005-02-02 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-03-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	731.6	693.6	636	574.4
Raw rating	731.6	693.6	636	574.4
Weighted rating	731.6	693.6	636	574.4
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	323.2	341.2	370.3	404.3
Highest rating	1310 2019-09-01	1295.1 2019-09-01	1200 2020-01-01	1200 2024-02-01
Highest raw rating	731.6 2024-02-01	693.6 2024-02-01	636 2024-02-01	574.4 2024-02-01
Highest weighted rating	731.6 2024-11-01	693.6 2024-11-01	636 2024-11-01	574.4 2024-11-01
Highest weighted performance	1310 2019-09-01	1295.1 2019-09-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	731.6	693.6	636	574.4
Analysis
Rating	731.6	693.6	636	574.4
Raw rating	731.6	693.6	636	574.4
Weighted rating	731.6	693.6	636
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	323.2	341.2	370.3	404.3
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	731.6	693.6	636	574.4
New weighted rating	731.6	693.6	636	574.4
New weighted performance	0	0	0	0
Temp new rating	731.6	693.6	636	574.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	731.6	693.6	636	574.4
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	0	0	0
History	19	14	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	10	5	50	0	1243.7	1243.7
Standard	5	3	60	85	1225	1310
Rapid	5	2	40	-85	1262.4	1177.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	731.6	693.6	636	574.4
2025-09-01	731.6	693.6	636	574.4
2025-08-01	731.6	693.6	636	574.4
2025-07-01	731.6	693.6	636	574.4
2025-06-01	731.6	693.6	636	574.4
2025-05-01	731.6	693.6	636	574.4
2025-04-01	731.6	693.6	636	574.4
2025-03-01	731.6	693.6	636	574.4
2025-02-01	731.6	693.6	636	574.4
2025-01-01	731.6	693.6	636	574.4
2024-12-01	731.6	693.6	636	574.4
2024-11-01	731.6	693.6	636	574.4
2024-10-01	731.6	693.6	636	574.4
2024-09-01	731.6	693.6	636	574.4
2024-08-01	731.6	693.6	636	574.4
2024-07-01	731.6	693.6	636	574.4
2024-06-01	731.6	693.6	636	574.4
2024-08-01	731.6	693.6	636	574.4
2024-04-01	731.6	693.6	636	574.4
2024-03-01	731.6	693.6	636	574.4
2024-02-01	731.6	693.6	636	574.4
2024-01-01	731.6	693.6	636	574.4
2023-12-01	731.6	693.6	636	574.4
2023-11-01	731.6	693.6	636	574.4

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	2022 East Dist Individuals (U18)	2022-03-13	2022-03-13	Rapid	Cape Town (WCT)	6	5	2	Yes	Analysis
2	Western Cape Top Schools 2019 (U15 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 4	type Standard	result 1
		Opponent Januarie, E (Enrique)				Opponent Jaftha, J (Jaython)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2022-03-13	rnd 5	type Rapid	result 1
		Opponent Williams, R (Ruchen)				Opponent Williams, R (Ruchen)
3	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 3	type Rapid	result 1
		Opponent Qhaga, L (Luthu)				Opponent Qhaga, L (Luthu)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 4	type Standard	result 1
		Opponent Januarie, E (Enrique)				Opponent Jaftha, J (Jaython)

#	Games	Start				End
1	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2022-03-13	rnd 5	type Rapid	result 1
		Opponent Williams, R (Ruchen)				Opponent Williams, R (Ruchen)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 3	type Rapid	result 1
		Opponent Qhaga, L (Luthu)				Opponent Qhaga, L (Luthu)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 4	type Standard	result 1
		Opponent Januarie, E (Enrique)				Opponent Jaftha, J (Jaython)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2022-03-13	rnd 5	type Rapid	result 1
		Opponent Williams, R (Ruchen)				Opponent Williams, R (Ruchen)
3	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 3	type Rapid	result 1
		Opponent Qhaga, L (Luthu)				Opponent Qhaga, L (Luthu)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament Western Cape Top Schools 2019
		date 2019-08-31	rnd 2	type Standard	result 1	date 2019-09-01	rnd 4	type Standard	result 1
		Opponent Januarie, E (Enrique)				Opponent Jaftha, J (Jaython)

#	Games	Start				End
1	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 5	type Rapid	result 1	date 2022-03-13	rnd 5	type Rapid	result 1
		Opponent Williams, R (Ruchen)				Opponent Williams, R (Ruchen)
2	1	Tournament 2022 East Dist Individuals				Tournament 2022 East Dist Individuals
		date 2022-03-13	rnd 3	type Rapid	result 1	date 2022-03-13	rnd 3	type Rapid	result 1
		Opponent Qhaga, L (Luthu)				Opponent Qhaga, L (Luthu)

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	Henning ,S (Steph)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Henning ,S (Steph)	1	1228.8	803.8	1	1200	803.8	0	0	0	0	0	0
2	Jaftha ,J (Jaython)	1	1	425	1	1	425	0	0	0	0	0	0
2	Jaftha ,J (Jaython)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Januarie ,E (Enrique)	1	1	425	1	1	425	0	0	0	0	0	0
3	Januarie ,E (Enrique)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Ruiters ,R (Raoul)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ruiters ,R (Raoul)	1	1296.3	871.3	1	1250.3	871.3	0	0	0	0	0	0
5	Gabru ,I (Ilyaas)	1	1	425	1	1	425	0	0	0	0	0	0
5	Gabru ,I (Ilyaas)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Williams ,R (Ruchen)	1	1	425	0	0	0	1	1	425	0	0	0
6	Williams ,R (Ruchen)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Naidoo ,T (Thushani)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Naidoo ,T (Thushani)	1	1315.5	890.5	0	0	0	1	662.2	890.5	0	0	0
8	Thimna ,A (Angel Choli)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Thimna ,A (Angel Choli)	1	1235.6	810.6	0	0	0	1	1200	810.6	0	0	0
9	Matyobeni ,M (Mbongeni)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Matyobeni ,M (Mbongeni)	1	1361.1	936.1	0	0	0	1	1200	936.1	0	0	0
10	Qhaga ,L (Luthu)	1	1	425	0	0	0	1	1	425	0	0	0
10	Qhaga ,L (Luthu)	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

Dalhuysen, J (Jan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms