Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, M (Mathew)

Chess SA id

1100147494

FIDE id

Date of birth

2010-04-23 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1245.3	1215.7	1253.7	1200
Raw rating	1245.3	1215.7	1253.7	1200
Weighted rating	1232.6	1199.1	1253.7	1200
Weighted performance	868.6	0	0	0
Floor	745.3	715.7	753.7	700
K-factor	36	36	36	36
Min/Max rating change allowed	155.4	162.2	153.6	165.8
Highest rating	1263.7 2023-02-01	1215.7 2025-09-01	1338.2 2023-02-01	1200 2018-10-01
Highest raw rating	1245.3 2025-09-01	1215.7 2025-09-01	1253.7 2024-02-01	1200 2024-02-01
Highest weighted rating	1231.3 2025-09-01	1200 2018-10-01	1253.3 2025-08-01	1200 2018-10-01
Highest weighted performance	1263.7 2023-02-01	1200 2020-01-01	1338.2 2023-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1245.3	1215.7	1253.7	1200
Analysis
Rating	1245.3	1215.7	1253.7	1200
Raw rating	1245.3	1215.7	1253.7	1200
Weighted rating	1232.6	1199.1	1253.7
Weighted performance	868.6	0	0
K-factor	36	36	36	36
Floor	745.3	715.7	753.7	700
Max/Min rating change allowed	155.4	162.2	153.6	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	1245.3	1215.7	1253.7	1200
New weighted rating	1233.7	1200.5	1253.7	1200
New weighted performance	868.2	0	0	0
Temp new rating	1245.3	1215.7	1253.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1245.3	1215.7	1253.7	1200
New K-factor	36	36	36	36
New floor	745.3	715.7	753.7	700

Item	Main	Standard	Rapid
	0	0	0
	1	1	0
	0	0	0
	23	6	17
	5	0	5
	0	0	0
History	29	7	22

Games since
	Main 7	Standard 1		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	1	1	100	425	1200	1625
Standard	1	1	100	425	1200	1625
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	15.5	53.45	29.3	1228.6	1257.9
Standard	7	4	57.14	60.7	1209.9	1270.7
Rapid	22	11.5	52.27	19.3	1234.6	1253.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1245.3	1215.7	1253.7	1200
2025-09-01	1245.3	1215.7	1253.7	1200
2025-08-01	1230.2	1196	1253.7	1200
2025-07-01	1230.2	1196	1253.7	1200
2025-06-01	1230.2	1196	1253.7	1200
2025-05-01	1230.2	1196	1253.7	1200
2025-04-01	1230.2	1196	1253.7	1200
2025-03-01	1230.2	1196	1253.7	1200
2025-02-01	1230.2	1196	1253.7	1200
2025-01-01	1230.2	1196	1253.7	1200
2024-12-01	1230.2	1196	1253.7	1200
2024-11-01	1230.2	1196	1253.7	1200
2024-10-01	1230.2	1196	1253.7	1200
2024-09-01	1230.2	1196	1253.7	1200
2024-08-01	1230.2	1196	1253.7	1200
2024-07-01	1230.2	1196	1253.7	1200
2024-06-01	1230.2	1196	1253.7	1200
2024-08-01	1230.2	1196	1253.7	1200
2024-04-01	1230.2	1196	1253.7	1200
2024-03-01	1230.2	1196	1253.7	1200
2024-02-01	1230.2	1196	1253.7	1200
2024-01-01	1230.2	1196	1253.7	1200
2023-12-01	1230.2	1196	1253.7	1200
2023-11-01	1230.2	1196	1253.7	1200

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	CT Metro District East Top Schools Chess 2025 (U15)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	1	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	CT Metro District East Top Schools Chess 2025 (U15)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	5	1	1	Yes	Analysis
2	Grant East Primary School Invitational Chess Tournament 2023 (U13 Mixed)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	6	3.5	Yes	Analysis
3	Curro Durbanville Chess Open Rapid 2023 (U14)	2023-07-15	2023-07-15	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Mary-Anne Bartels Chess Tournament 2023 (U13)	2023-02-21	2023-02-21	Rapid	Cape Town (WCT)	5	5	4	Yes	Analysis
5	District East Schools Chess Individual Trials 2023 (U13 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
6	Metro Rapid 2022 (U13 Boys)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-02-21	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent Jacob, L (Lyvette)				Opponent Conradie, M (Michael)
2	5	Tournament Metro Rapid 2022				Tournament District East Schools Chess Individual Trials 2023
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2023-02-04	rnd 4	type Standard	result 0.5
		Opponent Tofile, A (Amani)				Opponent Rule, C (Calem)
3	3	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 2	type Rapid	result 0.5	date 2023-11-04	rnd 4	type Rapid	result 1
		Opponent Grohban, H (Hendricks Paulo)				Opponent Rall, T (Tayne)

#	Games	Start				End
1	4	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 0.5
		Opponent Losper, J (Joshua)				Opponent Rule, C (Calem)
2	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-08-03	rnd 5	type Standard	result 1
		Opponent Pika, Y (Yamihle)				Opponent Pika, Y (Yamihle)

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-02-21	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent Jacob, L (Lyvette)				Opponent Conradie, M (Michael)
2	3	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 2	type Rapid	result 0.5	date 2023-11-04	rnd 4	type Rapid	result 1
		Opponent Grohban, H (Hendricks Paulo)				Opponent Rall, T (Tayne)
3	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent April, M (Micaile)				Opponent April, M (Micaile)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-02-21	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent Jacob, L (Lyvette)				Opponent Conradie, M (Michael)
2	2	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament CT Metro District East Top Schools Chess 2025
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2025-08-03	rnd 5	type Standard	result 1
		Opponent April, M (Micaile)				Opponent Pika, Y (Yamihle)
3	2	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 4	type Rapid	result 1
		Opponent Cornelius, W (Wayden)				Opponent Rall, T (Tayne)

#	Games	Start				End
1	1	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-03	rnd 5	type Standard	result 1	date 2025-08-03	rnd 5	type Standard	result 1
		Opponent Pika, Y (Yamihle)				Opponent Pika, Y (Yamihle)
2	1	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 3	type Standard	result 1	date 2023-02-04	rnd 3	type Standard	result 1
		Opponent Mafilika, O (Onikayo)				Opponent Mafilika, O (Onikayo)
3	1	Tournament District East Schools Chess Individual Trials 2023				Tournament District East Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 1	type Standard	result 1	date 2023-02-03	rnd 1	type Standard	result 1
		Opponent Losper, J (Joshua)				Opponent Losper, J (Joshua)

#	Games	Start				End
1	5	Tournament Mary-Anne Bartels Chess Tournament 2023				Tournament Curro Durbanville Chess Open Rapid 2023
		date 2023-02-21	rnd 2	type Rapid	result 1	date 2023-07-15	rnd 1	type Rapid	result 1
		Opponent Jacob, L (Lyvette)				Opponent Conradie, M (Michael)
2	2	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 4	type Rapid	result 1
		Opponent Cornelius, W (Wayden)				Opponent Rall, T (Tayne)
3	1	Tournament Grant East Primary School Invitational Chess Tournament 2023				Tournament Grant East Primary School Invitational Chess Tournament 2023
		date 2023-11-04	rnd 6	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent April, M (Micaile)				Opponent April, M (Micaile)

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	Losper ,J (Joshua)	2	2	425	1	1	425	1	1	425	0	0	0
1	Losper ,J (Joshua)	2	1175.3	1600.3	1	1200	1600.3	1	1182.4	1600.3	0	0	0
2	Steenkamp ,DD (Damien Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Steenkamp ,DD (Damien Daniel)	1	1087.3	662.3	1	1021.2	662.3	0	0	0	0	0	0
3	Mafilika ,O (Onikayo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mafilika ,O (Onikayo)	1	1239.6	1664.6	1	1197.2	1664.6	0	0	0	0	0	0
4	Van Coller ,L (Liam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Van Coller ,L (Liam)	1	1239.4	1239.4	1	1239.7	1239.4	0	0	0	0	0	0
5	Rule ,C (Calem)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Rule ,C (Calem)	1	1282.3	1282.3	1	1248.6	1282.3	0	0	0	0	0	0
6	Pika ,Y (Yamihle)	1	1	425	1	1	425	0	0	0	0	0	0
6	Pika ,Y (Yamihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Jacob ,L (Lyvette)	1	1	425	0	0	0	1	1	425	0	0	0
7	Jacob ,L (Lyvette)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Van Zyl ,L (Lindie)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Van Zyl ,L (Lindie)	1	1141.8	716.8	0	0	0	1	1217.6	716.8	0	0	0
9	Carstens ,J (Joshua)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Carstens ,J (Joshua)	1	1207.2	782.2	0	0	0	1	1239.6	782.2	0	0	0
10	Scheepers ,R (Riko)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Scheepers ,R (Riko)	1	1249.6	824.6	0	0	0	1	1233.9	824.6	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

Petersen, M (Mathew)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms