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	1865.2	1873.9	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	1865.2	1873.9	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	1865.3	1874	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
2025-11-01	1865.3	1874	1930.4	1930.4
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
2024-09-01	1865.3	1874	1930.4	1930.4
2024-05-01	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

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Town Chess Federation Club League 2025 (A)	2025-07-26	2025-09-27	Standard	Cape Town (WCT)	11	0	0	No	Analysis
2	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	9	3.5	Yes	Analysis
3	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	6	3.5	Yes	Analysis
4	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	9	6.5	Yes	Analysis
5	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	Coert ,Q (Quinton)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Coert ,Q (Quinton)	1	1660.1	1660.1	1	1666.1	1660.1	0	0	0	0	0	0
3	Levin ,BRL (Benny)	1	1	425	1	1	425	0	0	0	0	0	0
3	Levin ,BRL (Benny)	1	1674.7	2099.7	1	1677.2	2099.7	0	0	0	0	0	0
4	Goredema ,D (Dione)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Goredema ,D (Dione)	1	1759.3	1759.3	1	1762.1	1759.3	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	Sinden ,RJ (Reginald John)	1	1	425	1	1	425	0	0	0	0	0	0
7	Sinden ,RJ (Reginald John)	1	1565.5	1990.5	1	1544.8	1990.5	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	Blaauw ,GM (Gavin)	1	1	425	1	1	425	0	0	0	0	0	0
9	Blaauw ,GM (Gavin)	1	1633.8	2058.8	1	1607.4	2058.8	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

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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