Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zyl, MJ (Marius Johann)

Chess SA id

166041089

FIDE id

Date of birth

1966-02-24 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1879.7	1875.6	1854	1839
Raw rating	1879.7	1875.6	1854	1839
Weighted rating	1878.8	1874.9	1853.8	1839
Weighted performance	408.7	0	0	0
Floor	1379.7	1375.6	1354	1339
K-factor	24	24	24	24
Min/Max rating change allowed	63	63.3	65.3	66.7
Highest rating	1879.7 2024-10-01	1875.6 2024-10-01	1854 2024-02-01	1839 2024-02-01
Highest raw rating	1879.7 2024-10-01	1875.6 2024-10-01	1854 2024-02-01	1839 2024-02-01
Highest weighted rating	1877.7 2025-08-01	1874 2025-08-01	1853.4 2025-08-01	1839 2024-02-01
Highest weighted performance	1819.4 2020-02-01	1821 2020-02-01	1791.5 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1879.7	1875.6	1854	1839
Analysis
Rating	1879.7	1875.6	1854	1839
Raw rating	1879.7	1875.6	1854	1839
Weighted rating	1878.8	1874.9	1853.8
Weighted performance	408.7	0	0
K-factor	24	24	24	24
Floor	1379.7	1375.6	1354	1339
Max/Min rating change allowed	63	63.3	65.3	66.7
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	1879.7	1875.6	1854	1839
New weighted rating	1879.2	1875.2	1853.9	1839
New weighted performance	408.1	0	0	0
Temp new rating	1879.7	1875.6	1854	1839
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1879.7	1875.6	1854	1839
New K-factor	24	24	24	24
New floor	1379.7	1375.6	1354	1339

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	3	3	0	0
	1	1	0	0
	0	0	0	0
	0	0	0	0
History	330	309	9	12

Games since
	Main 3	Standard 3		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	39	25.5	65.38	130.8	1710.5	1841.3
Standard	34	21	61.76	100	1750.1	1850.1
Rapid	5	4.5	90	340	1441.5	1781.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1879.7	1875.6	1854	1839
2025-09-01	1879.7	1875.6	1854	1839
2025-08-01	1879.7	1875.6	1854	1839
2025-07-01	1879.7	1875.6	1854	1839
2025-06-01	1879.7	1875.6	1854	1839
2025-05-01	1879.7	1875.6	1854	1839
2025-04-01	1879.7	1875.6	1854	1839
2025-03-01	1879.7	1875.6	1854	1839
2025-02-01	1879.7	1875.6	1854	1839
2025-01-01	1879.7	1875.6	1854	1839
2024-12-01	1879.7	1875.6	1854	1839
2024-11-01	1879.7	1875.6	1854	1839
2024-10-01	1879.7	1875.6	1854	1839
2024-09-01	1877.5	1874	1854	1839
2024-08-01	1877.5	1874	1854	1839
2024-07-01	1877.5	1874	1854	1839
2024-06-01	1877.5	1874	1854	1839
2024-08-01	1877.5	1874	1854	1839
2024-04-01	1877.5	1874	1854	1839
2024-03-01	1877.5	1874	1854	1839
2024-02-01	1877.5	1874	1854	1839
2024-01-01	1877.5	1874	1854	1839
2023-12-01	1838	1840.1	1836.4	1839
2023-11-01	1838	1840.1	1836.4	1839

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	NMBCU Club League 2024 (A)	2024-07-24	2024-09-22	Standard	Nelson Mandela Bay (ENM)	6	3	3	Yes	Analysis
2	PECC Presidents Cup 2023	2023-02-02	2023-03-16	Standard	Nelson Mandela Bay (ENM)	7	1	1	Yes	Analysis
3	2020 Boardwalk Pearson Open Chess Festival (Prestige)	2020-03-13	2020-03-15	Standard	Nelson Mandela Bay (ENM)	7	5	1	Yes	Analysis
4	Springbok Cup 2020	2020-01-24	2020-02-20	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
5	George Frangopoulos Memorial 2019	2019-08-06	2019-11-13	Standard	Nelson Mandela Bay (ENM)	7	7	3	Yes	Analysis
6	PE Chess Club Open 2019 (A)	2019-10-11	2019-10-13	Standard	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis
7	Sandy Matthews Memorial 2019	2019-05-14	2019-07-02	Standard	Nelson Mandela Bay (ENM)	7	6	4	Yes	Analysis
8	PECC Club Championships 2018 (A)	2018-07-26	2018-08-30	Standard	Nelson Mandela Bay (ENM)	5	4	4	Yes	Analysis
9	PECC - Springbok Cup 2018	2018-02-15	2018-03-22	Standard	Nelson Mandela Bay (ENM)	5	1	0	Yes	Analysis
10	PE Chess Club February Rapid 2018	2018-02-01	2018-02-08	Rapid	Nelson Mandela Bay (ENM)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament PECC Club Championships 2018				Tournament Sandy Matthews Memorial 2019
		date 2018-07-26	rnd 1	type Standard	result 1	date 2019-06-18	rnd 5	type Standard	result 1
		Opponent Jacobs, KT (Kevin)				Opponent Dalpat, W (Winston)
2	5	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament NMBCU Club League 2024
		date 2020-03-15	rnd 7	type Standard	result 0.5	date 2024-09-22	rnd 6	type Standard	result 1
		Opponent Wagner, GM (Gerald)				Opponent Van Huyssteen, H (Hermanus)
3	5	Tournament PE Chess Club Open 2019				Tournament Springbok Cup 2020
		date 2019-10-13	rnd 5	type Standard	result 1	date 2020-01-24	rnd 1	type Standard	result 1
		Opponent Wolmarans, GM (Gregory)				Opponent Coetzer, Q (Quinn)

#	Games	Start				End
1	9	Tournament PECC Club Championships 2018				Tournament Sandy Matthews Memorial 2019
		date 2018-07-26	rnd 1	type Standard	result 1	date 2019-06-18	rnd 5	type Standard	result 1
		Opponent Jacobs, KT (Kevin)				Opponent Dalpat, W (Winston)
2	5	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament NMBCU Club League 2024
		date 2020-03-15	rnd 7	type Standard	result 0.5	date 2024-09-22	rnd 6	type Standard	result 1
		Opponent Wagner, GM (Gerald)				Opponent Van Huyssteen, H (Hermanus)
3	5	Tournament PE Chess Club Open 2019				Tournament Springbok Cup 2020
		date 2019-10-13	rnd 5	type Standard	result 1	date 2020-01-24	rnd 1	type Standard	result 1
		Opponent Wolmarans, GM (Gregory)				Opponent Coetzer, Q (Quinn)

#	Games	Start				End
1	5	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-01	rnd 1	type Rapid	result 1	date 2018-02-08	rnd 5	type Rapid	result 1
		Opponent Connacher, AD (Allan)				Opponent Acar, CG (Cameron)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament PECC Club Championships 2018				Tournament Sandy Matthews Memorial 2019
		date 2018-07-26	rnd 1	type Standard	result 1	date 2019-05-21	rnd 2	type Standard	result 1
		Opponent Jacobs, KT (Kevin)				Opponent Jacobs, KT (Kevin)
2	4	Tournament PECC Presidents Cup 2023				Tournament NMBCU Club League 2024
		date 2023-02-02	rnd 1	type Standard	result 1	date 2024-09-22	rnd 6	type Standard	result 1
		Opponent Chipunza, J (Jaden)				Opponent Van Huyssteen, H (Hermanus)
3	2	Tournament PE Chess Club Open 2019				Tournament PE Chess Club Open 2019
		date 2019-10-13	rnd 5	type Standard	result 1	date 2019-10-13	rnd 6	type Standard	result 1
		Opponent Wolmarans, GM (Gregory)				Opponent Zwayi, M (Mzwandile)

#	Games	Start				End
1	6	Tournament PECC Club Championships 2018				Tournament Sandy Matthews Memorial 2019
		date 2018-07-26	rnd 1	type Standard	result 1	date 2019-05-21	rnd 2	type Standard	result 1
		Opponent Jacobs, KT (Kevin)				Opponent Jacobs, KT (Kevin)
2	4	Tournament PECC Presidents Cup 2023				Tournament NMBCU Club League 2024
		date 2023-02-02	rnd 1	type Standard	result 1	date 2024-09-22	rnd 6	type Standard	result 1
		Opponent Chipunza, J (Jaden)				Opponent Van Huyssteen, H (Hermanus)
3	2	Tournament PE Chess Club Open 2019				Tournament PE Chess Club Open 2019
		date 2019-10-13	rnd 5	type Standard	result 1	date 2019-10-13	rnd 6	type Standard	result 1
		Opponent Wolmarans, GM (Gregory)				Opponent Zwayi, M (Mzwandile)

#	Games	Start				End
1	2	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-08	rnd 4	type Rapid	result 1	date 2018-02-08	rnd 5	type Rapid	result 1
		Opponent Nasilowski, R (Rinus)				Opponent Acar, CG (Cameron)
2	2	Tournament PE Chess Club February Rapid 2018				Tournament PE Chess Club February Rapid 2018
		date 2018-02-01	rnd 1	type Rapid	result 1	date 2018-02-01	rnd 2	type Rapid	result 1
		Opponent Connacher, AD (Allan)				Opponent Strydom, D (De-Leon)

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	Jacobs ,KT (Kevin Terence)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
1	Jacobs ,KT (Kevin Terence)	3	1893.7	2177.1	3	1905.2	2177.1	0	0	0	0	0	0
2	Wagner ,GM (Gerald Martin)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Wagner ,GM (Gerald Martin)	3	1683.5	1541.9	3	1684.5	1541.9	0	0	0	0	0	0
3	Van De Venter ,W (Waldo)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
3	Van De Venter ,W (Waldo)	2	1869.4	2081.9	2	1868.3	2081.9	0	0	0	0	0	0
4	Wolmarans ,GM (Gregory)	2	2	425	2	2	425	0	0	0	0	0	0
4	Wolmarans ,GM (Gregory)	2	1560.9	1985.9	2	1575.3	1985.9	0	0	0	0	0	0
5	Kromhout ,ED (Ewan Dirk)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Kromhout ,ED (Ewan Dirk)	2	1957.2	1532.2	2	1956	1532.2	0	0	0	0	0	0
6	Nevin ,TW (Tyler William)	2	2	425	2	2	425	0	0	0	0	0	0
6	Nevin ,TW (Tyler William)	2	1597.8	2022.8	2	1626.8	2022.8	0	0	0	0	0	0
7	Grover ,S (Sahaj)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Grover ,S (Sahaj)	2	2532.2	2319.8	2	2535.8	2319.8	0	0	0	0	0	0
8	Nasilowski ,R (Rinus)	2	2	425	1	1	425	1	1	425	0	0	0
8	Nasilowski ,R (Rinus)	2	1673.2	2098.2	1	1712.5	2098.2	1	1642.8	2098.2	0	0	0
9	Coetzer ,Q (Quinn)	1	1	425	1	1	425	0	0	0	0	0	0
9	Coetzer ,Q (Quinn)	1	1458.5	1883.5	1	1454.1	1883.5	0	0	0	0	0	0
10	Malgas ,GL (Glenwell Lesley)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Malgas ,GL (Glenwell Lesley)	1	1672.3	1247.3	1	1717.2	1247.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Zyl, MJ (Marius Johann)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms