Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cruywagen, JC (Johannes Christiaan)

Chess SA id

170005807

FIDE id

Date of birth

1970-04-02 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1865.3	1874	1930.4	1930.4
Raw rating	1865.3	1874	1930.4	1930.4
Weighted rating	1865.1	1873.7	1930.4	1930.4
Weighted performance	0	0	0	0
Floor	1430.4	1430.4	1430.4	1430.4
K-factor	24	24	24	24
Min/Max rating change allowed	64.3	63.5	58.6	58.6
Highest rating	1930.4 2018-03-01	1930.4 2018-03-01	1930.4 2019-11-01	1930.4 2019-11-01
Highest raw rating	1930.4 2018-01-01	1930.4 2018-01-01	1930.4 2024-02-01	1930.4 2024-02-01
Highest weighted rating	1930.4 2018-03-01	1930.4 2018-03-01	1930.4 2019-11-01	1930.4 2019-11-01
Highest weighted performance	1822.8 2019-09-01	1820.7 2019-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1865.3	1874	1930.4	1930.4
Analysis
Rating	1865.3	1874	1930.4	1930.4
Raw rating	1865.3	1874	1930.4	1930.4
Weighted rating	1865.1	1873.7	1930.4
Weighted performance	0	0	0
K-factor	24	24	24	24
Floor	1430.4	1430.4	1430.4	1430.4
Max/Min rating change allowed	64.3	63.5	58.6	58.6
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	1865.3	1874	1930.4	1930.4
New weighted rating	1865.2	1873.9	1930.4	1930.4
New weighted performance	0	0	0	0
Temp new rating	1865.3	1874	1930.4	1930.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1865.3	1874	1930.4	1930.4
New K-factor	24	24	24	24
New floor	1430.4	1430.4	1430.4	1430.4

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	9	9	0
	6	6	0
	0	0	0
History	339	333	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
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	35	17.5	50	0	1806.1	1806.1
Standard	35	17.5	50	0	1806.1	1806.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1865.3	1874	1930.4	1930.4
2025-09-01	1865.3	1874	1930.4	1930.4
2025-08-01	1865.3	1874	1930.4	1930.4
2025-07-01	1865.3	1874	1930.4	1930.4
2025-06-01	1865.3	1874	1930.4	1930.4
2025-05-01	1865.3	1874	1930.4	1930.4
2025-04-01	1865.3	1874	1930.4	1930.4
2025-03-01	1865.3	1874	1930.4	1930.4
2025-02-01	1865.3	1874	1930.4	1930.4
2025-01-01	1865.3	1874	1930.4	1930.4
2024-12-01	1865.3	1874	1930.4	1930.4
2024-11-01	1865.3	1874	1930.4	1930.4
2024-10-01	1865.3	1874	1930.4	1930.4
2024-09-01	1865.3	1874	1930.4	1930.4
2024-08-01	1865.3	1874	1930.4	1930.4
2024-07-01	1865.3	1874	1930.4	1930.4
2024-06-01	1865.3	1874	1930.4	1930.4
2024-08-01	1865.3	1874	1930.4	1930.4
2024-04-01	1865.3	1874	1930.4	1930.4
2024-03-01	1865.3	1874	1930.4	1930.4
2024-02-01	1865.3	1874	1930.4	1930.4
2024-01-01	1865.3	1874	1930.4	1930.4
2023-12-01	1842.6	1842.7	1930.4	1930.4
2023-11-01	1842.6	1842.7	1930.4	1930.4

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	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	9	3.5	Yes	Analysis
2	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	6	3.5	Yes	Analysis
3	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	9	6.5	Yes	Analysis
4	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	11	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament 2018 Western Province League				Tournament 2019 Western Province League
		date 2018-09-08	rnd 10	type Standard	result 0.5	date 2019-08-24	rnd 9	type Standard	result 0.5
		Opponent Coert, Q (Quinton)				Opponent Bouah, LJ (Lyndon)
2	4	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-09-10	rnd 7	type Standard	result 1	date 2022-09-17	rnd 10	type Standard	result 0.5
		Opponent Samuels, ER (Ethan)				Opponent Goredema, D (Dione)
3	2	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-09-02	rnd 10	type Standard	result 1	date 2023-09-09	rnd 11	type Standard	result 1
		Opponent Van Schaik, MP (Michael)				Opponent Chironda, S (Sean Kudzai)

#	Games	Start				End
1	9	Tournament 2018 Western Province League				Tournament 2019 Western Province League
		date 2018-09-08	rnd 10	type Standard	result 0.5	date 2019-08-24	rnd 9	type Standard	result 0.5
		Opponent Coert, Q (Quinton)				Opponent Bouah, LJ (Lyndon)
2	4	Tournament 2022 Western Province Club League				Tournament 2022 Western Province Club League
		date 2022-09-10	rnd 7	type Standard	result 1	date 2022-09-17	rnd 10	type Standard	result 0.5
		Opponent Samuels, ER (Ethan)				Opponent Goredema, D (Dione)
3	2	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-09-02	rnd 10	type Standard	result 1	date 2023-09-09	rnd 11	type Standard	result 1
		Opponent Van Schaik, MP (Michael)				Opponent Chironda, S (Sean Kudzai)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-09-02	rnd 10	type Standard	result 1	date 2023-09-09	rnd 11	type Standard	result 1
		Opponent Van Schaik, MP (Michael)				Opponent Chironda, S (Sean Kudzai)
2	2	Tournament 2019 Western Province League				Tournament 2022 Western Province Club League
		date 2019-09-07	rnd 11	type Standard	result 1	date 2022-09-03	rnd 5	type Standard	result 1
		Opponent Blows, KT (Kian)				Opponent Sinden, RJ (Reginald)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Blaauw, GM (Gavin)				Opponent Levin, BRL (Benny)

#	Games	Start				End
1	2	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-09-02	rnd 10	type Standard	result 1	date 2023-09-09	rnd 11	type Standard	result 1
		Opponent Van Schaik, MP (Michael)				Opponent Chironda, S (Sean Kudzai)
2	2	Tournament 2019 Western Province League				Tournament 2022 Western Province Club League
		date 2019-09-07	rnd 11	type Standard	result 1	date 2022-09-03	rnd 5	type Standard	result 1
		Opponent Blows, KT (Kian)				Opponent Sinden, RJ (Reginald)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Blaauw, GM (Gavin)				Opponent Levin, BRL (Benny)

No games found.

#	Games	Start				End

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	Klein ,BA (Bernand Angelo)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Klein ,BA (Bernand Angelo)	3	2008.6	1583.6	3	2009.7	1583.6	0	0	0	0	0	0
2	Hoossen ,E (Erfaan)	1	1	425	1	1	425	0	0	0	0	0	0
2	Hoossen ,E (Erfaan)	1	1810	2235	1	1810	2235	0	0	0	0	0	0
3	Makhetha ,L (Laviens)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Makhetha ,L (Laviens)	1	1624.5	1624.5	1	1618.7	1624.5	0	0	0	0	0	0
4	Lynch ,J (Justin)	1	1	425	1	1	425	0	0	0	0	0	0
4	Lynch ,J (Justin)	1	1845.5	2270.5	1	1840.8	2270.5	0	0	0	0	0	0
5	Agulhas ,K (Keegan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Agulhas ,K (Keegan)	1	1936.6	1936.6	1	1922.6	1936.6	0	0	0	0	0	0
6	Willenberg ,KS (Kenneth Sean)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Willenberg ,KS (Kenneth Sean)	1	1873	1448	1	1863.7	1448	0	0	0	0	0	0
7	Ressel ,T (Tane)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ressel ,T (Tane)	1	1680.1	1255.1	1	1686.7	1255.1	0	0	0	0	0	0
8	Chironda ,S (Sean Kudzai)	1	1	425	1	1	425	0	0	0	0	0	0
8	Chironda ,S (Sean Kudzai)	1	1744.8	2169.8	1	1726.3	2169.8	0	0	0	0	0	0
9	Levin ,BRL (Benny)	1	1	425	1	1	425	0	0	0	0	0	0
9	Levin ,BRL (Benny)	1	1674.7	2099.7	1	1677.2	2099.7	0	0	0	0	0	0
10	Van Zyl ,A (Albrecht)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Zyl ,A (Albrecht)	1	1848.1	1423.1	1	1874.6	1423.1	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

Cruywagen, JC (Johannes Christiaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms