Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viljoen, M (Matthew)

Chess SA id

197061820

FIDE id

Date of birth

1997-03-04 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1236.9	1199.6	1221.3	1200
Raw rating	1236.9	1199.6	1221.3	1200
Weighted rating	1236.9	1199.6	1221.3	1200
Weighted performance	721.1	0	0	0
Floor	736.9	700	729.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	157.3	165.9	160.9	165.8
Highest rating	1268.2 2018-10-01	1200 2018-10-01	1304.1 2018-10-01	1200 2018-10-01
Highest raw rating	1236.9 2024-02-01	1200 2018-02-01	1229.2 2018-11-01	1200 2024-02-01
Highest weighted rating	1236.9 2025-04-01	1200 2018-10-01	1229.2 2020-05-01	1200 2018-10-01
Highest weighted performance	1268.2 2018-10-01	1200 2018-02-01	1304.1 2018-10-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1236.9	1199.6	1221.3	1200
Analysis
Rating	1236.9	1199.6	1221.3	1200
Raw rating	1236.9	1199.6	1221.3	1200
Weighted rating	1236.9	1199.6	1221.3
Weighted performance	721.1	0	0
K-factor	36	36	36	36
Floor	736.9	700	729.2	700
Max/Min rating change allowed	157.3	165.9	160.9	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	1236.9	1199.6	1221.3	1200
New weighted rating	1236.9	1199.6	1221.3	1200
New weighted performance	713.7	0	0	0
Temp new rating	1236.9	1199.6	1221.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1236.9	1199.6	1221.3	1200
New K-factor	36	36	36	36
New floor	736.9	700	729.2	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	5	0
	12	0	12
	0	0	0
History	59	20	39

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	33	14	42.42	-64.4	1330.1	1265.7
Standard	9	2.5	27.78	-188.9	1373.3	1184.4
Rapid	24	11.5	47.92	-17.7	1313.9	1296.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1236.9	1199.6	1221.3	1200
2025-09-30	1236.9	1199.6	1221.3	1200
2025-09-01	1236.9	1199.6	1221.3	1200
2025-08-01	1236.9	1199.6	1221.3	1200
2025-07-01	1236.9	1199.6	1221.3	1200
2025-06-01	1236.9	1199.6	1221.3	1200
2025-05-01	1236.9	1199.6	1221.3	1200
2025-04-01	1236.9	1199.6	1221.3	1200
2025-03-01	1236.9	1199.6	1221.3	1200
2025-02-01	1236.9	1199.6	1221.3	1200
2025-01-01	1236.9	1199.6	1221.3	1200
2024-12-01	1236.9	1199.6	1221.3	1200
2024-11-01	1236.9	1199.6	1221.3	1200
2024-10-01	1236.9	1199.6	1221.3	1200
2024-09-01	1236.9	1199.6	1221.3	1200
2024-08-01	1236.9	1199.6	1221.3	1200
2024-07-01	1236.9	1199.6	1221.3	1200
2024-09-01	1236.9	1199.6	1221.3	1200
2024-05-01	1236.9	1199.6	1221.3	1200
2024-04-01	1236.9	1199.6	1221.3	1200
2024-03-01	1236.9	1199.6	1221.3	1200
2024-02-01	1236.9	1199.6	1221.3	1200
2024-01-01	1236.9	1199.6	1221.3	1200
2023-12-01	1236.9	1199.6	1221.3	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	Fountains Mall Open 2023 (A)	2023-05-12	2023-05-13	Standard	Sarah Baartman (ESB)	6	5	2.5	Yes	Analysis
2	The Team Battle 2022 (A)	2022-11-19	2022-11-19	Rapid	Sarah Baartman (ESB)	7	6	2.5	Yes	Analysis
3	Jeffreys Bay Chess Club Rapid 17 November 2022	2022-11-17	2022-11-17	Rapid	Sarah Baartman (ESB)	6	6	3	Yes	Analysis
4	Ulitmate Chess Open 2019 (Rapid A)	2019-11-30	2019-11-30	Rapid	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
5	Ultimate Chess Open 2018 (A)	2018-11-30	2018-12-01	Standard	Nelson Mandela Bay (ENM)	6	4	0	Yes	Analysis
6	Nelson Mandela University Open Rapid Tournament 2018	2018-10-06	2018-10-06	Rapid	Nelson Mandela Bay (ENM)	6	6	4	Yes	Analysis

#	Games	Start				End
1	2	Tournament Fountains Mall Open 2023				Tournament Fountains Mall Open 2023
		date 2023-05-13	rnd 4	type Standard	result 0.5	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Booysen, J (Jodian)				Opponent Stone, R (Renato)
2	2	Tournament The Team Battle 2022				Tournament The Team Battle 2022
		date 2022-11-19	rnd 1	type Rapid	result 1	date 2022-11-19	rnd 2	type Rapid	result 0.5
		Opponent Schulz, I (Ian)				Opponent Mapungwana, S (Sikelela)
3	2	Tournament Jeffreys Bay Chess Club Rapid 17 November 2022				Tournament Jeffreys Bay Chess Club Rapid 17 November 2022
		date 2022-11-17	rnd 1	type Rapid	result 1	date 2022-11-17	rnd 2	type Rapid	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Prinsloo, R (Riyaad)

#	Games	Start				End
1	2	Tournament Fountains Mall Open 2023				Tournament Fountains Mall Open 2023
		date 2023-05-13	rnd 4	type Standard	result 0.5	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Booysen, J (Jodian)				Opponent Stone, R (Renato)
2	1	Tournament Fountains Mall Open 2023				Tournament Fountains Mall Open 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Saunders, E (Ethan)				Opponent Saunders, E (Ethan)

#	Games	Start				End
1	2	Tournament The Team Battle 2022				Tournament The Team Battle 2022
		date 2022-11-19	rnd 1	type Rapid	result 1	date 2022-11-19	rnd 2	type Rapid	result 0.5
		Opponent Schulz, I (Ian)				Opponent Mapungwana, S (Sikelela)
2	2	Tournament Jeffreys Bay Chess Club Rapid 17 November 2022				Tournament Jeffreys Bay Chess Club Rapid 17 November 2022
		date 2022-11-17	rnd 1	type Rapid	result 1	date 2022-11-17	rnd 2	type Rapid	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Prinsloo, R (Riyaad)
3	2	Tournament Nelson Mandela University Open Rapid Tournament 2018				Tournament Nelson Mandela University Open Rapid Tournament 2018
		date 2018-10-06	rnd 1	type Rapid	result 1	date 2018-10-06	rnd 2	type Rapid	result 1
		Opponent Freeman, N (Nicole)				Opponent Yonoka, B (Blou)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Jeffreys Bay Chess Club Rapid 17 November 2022				Tournament Jeffreys Bay Chess Club Rapid 17 November 2022
		date 2022-11-17	rnd 1	type Rapid	result 1	date 2022-11-17	rnd 2	type Rapid	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Prinsloo, R (Riyaad)
2	2	Tournament Nelson Mandela University Open Rapid Tournament 2018				Tournament Nelson Mandela University Open Rapid Tournament 2018
		date 2018-10-06	rnd 1	type Rapid	result 1	date 2018-10-06	rnd 2	type Rapid	result 1
		Opponent Freeman, N (Nicole)				Opponent Yonoka, B (Blou)
3	1	Tournament Fountains Mall Open 2023				Tournament Fountains Mall Open 2023
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Stone, R (Renato)				Opponent Stone, R (Renato)

#	Games	Start				End
1	1	Tournament Fountains Mall Open 2023				Tournament Fountains Mall Open 2023
		date 2023-05-13	rnd 5	type Standard	result 1	date 2023-05-13	rnd 5	type Standard	result 1
		Opponent Stone, R (Renato)				Opponent Stone, R (Renato)
2	1	Tournament Fountains Mall Open 2023				Tournament Fountains Mall Open 2023
		date 2023-05-13	rnd 2	type Standard	result 1	date 2023-05-13	rnd 2	type Standard	result 1
		Opponent Saunders, E (Ethan)				Opponent Saunders, E (Ethan)

#	Games	Start				End
1	2	Tournament Jeffreys Bay Chess Club Rapid 17 November 2022				Tournament Jeffreys Bay Chess Club Rapid 17 November 2022
		date 2022-11-17	rnd 1	type Rapid	result 1	date 2022-11-17	rnd 2	type Rapid	result 1
		Opponent Mcetywa, K (Khanya)				Opponent Prinsloo, R (Riyaad)
2	2	Tournament Nelson Mandela University Open Rapid Tournament 2018				Tournament Nelson Mandela University Open Rapid Tournament 2018
		date 2018-10-06	rnd 1	type Rapid	result 1	date 2018-10-06	rnd 2	type Rapid	result 1
		Opponent Freeman, N (Nicole)				Opponent Yonoka, B (Blou)
3	1	Tournament The Team Battle 2022				Tournament The Team Battle 2022
		date 2022-11-19	rnd 5	type Rapid	result 1	date 2022-11-19	rnd 5	type Rapid	result 1
		Opponent Munemo, T (Tadiwa)				Opponent Munemo, T (Tadiwa)

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	Lagardien ,I (Ismaeel)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Lagardien ,I (Ismaeel)	2	1501.5	1076.5	2	1508.4	1076.5	0	0	0	0	0	0
2	Kritzinger ,A (Andre)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Kritzinger ,A (Andre)	2	1454.3	1029.3	0	0	0	2	1365.6	1029.3	0	0	0
3	Munemo ,T (Tadiwa)	2	1	0	0	0	0	2	1	0	0	0	0
3	Munemo ,T (Tadiwa)	2	1412.7	1412.7	0	0	0	2	1353.6	1412.7	0	0	0
4	Nevin ,TW (Tyler William)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Nevin ,TW (Tyler William)	1	1583.3	1158.3	1	1624.7	1158.3	0	0	0	0	0	0
5	Stone ,R (Renato)	1	1	425	1	1	425	0	0	0	0	0	0
5	Stone ,R (Renato)	1	1201.5	1626.5	1	1188.5	1626.5	0	0	0	0	0	0
6	Handley ,S (Stephen)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Handley ,S (Stephen)	1	1608.2	1183.2	1	1611.6	1183.2	0	0	0	0	0	0
7	Stuurman ,C (Caydee)	1	1	425	0	0	0	1	1	425	0	0	0
7	Stuurman ,C (Caydee)	1	1316.3	1741.3	0	0	0	1	1263.4	1741.3	0	0	0
8	Yonoka ,B (Blou)	1	1	425	0	0	0	1	1	425	0	0	0
8	Yonoka ,B (Blou)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Adams ,JP (Juan-Pierre)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Adams ,JP (Juan-Pierre)	1	1456.9	1031.9	0	0	0	1	1305	1031.9	0	0	0
10	Persent ,G (Gavin)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Persent ,G (Gavin)	1	1248.5	823.5	0	0	0	1	1151.8	823.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Viljoen, M (Matthew)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms