Chess South Africa Ratings Database

PLAYER PAGE

Personal

Matthews, R (Roger)

Chess SA id

1820153676

FIDE id

Date of birth

1982-05-06 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-02-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1182.8	1166.1	1210.5	1200
Raw rating	1182.8	1166.1	1210.5	1200
Weighted rating	1182.8	1166	1210.3	1200
Weighted performance	0	0	0	0
Floor	700	700	715.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.9	174	163.4	165.8
Highest rating	1347 2023-09-01	1200 2018-10-01	1533.2 2023-09-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1215.5 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1215.5 2025-07-01	1200 2018-10-01
Highest weighted performance	1347 2023-09-01	1200 2019-12-01	1533.2 2023-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1182.8	1166.1	1210.5	1200
Analysis
Rating	1182.8	1166.1	1210.5	1200
Raw rating	1182.8	1166.1	1210.5	1200
Weighted rating	1182.8	1166	1210.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	715.5	700
Max/Min rating change allowed	169.9	174	163.4	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	1182.8	1166.1	1210.5	1200
New weighted rating	1182.8	1166	1210.3	1200
New weighted performance	0	0	0	0
Temp new rating	1182.8	1166.1	1210.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1182.8	1166.1	1210.5	1200
New K-factor	36	36	36	36
New floor	700	700	715.5	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	2	0	2
	5	4	1
	0	0	0
	0	0	0
History	7	4	3

Games since
	Main 2	Standard 0		Rapid 2		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	7	3	42.86	-60.7	1209	1148.3
Standard	4	1	25	-212.5	1243.5	1031
Rapid	3	2	66.67	141.7	1163.1	1304.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1182.8	1166.1	1210.5	1200
2025-09-01	1182.8	1166.1	1210.5	1200
2025-08-01	1182.8	1166.1	1210.5	1200
2025-07-01	1182.8	1166.1	1210.5	1200
2025-06-01	1182.7	1166.1	1210.5	1200
2025-05-01	1182.7	1166.1	1210.4	1200
2025-04-01	1182.7	1166.1	1210.4	1200
2025-03-01	1182.7	1166.1	1210.3	1200
2025-02-01	1182.7	1166.1	1210.1	1200
2025-01-01	1182.7	1165.8	1209.7	1200
2024-12-01	1182.7	1165.8	1209.7	1200
2024-11-01	1182.7	1165.8	1209.7	1200
2024-10-01	1182.7	1165.8	1209.7	1200
2024-09-01	1182.7	1165.8	1209.7	1200
2024-08-01	1182.7	1165.8	1209.7	1200
2024-07-01	1182.7	1165.8	1209.7	1200
2024-06-01	1182.7	1165.8	1209.7	1200
2024-08-01	1182.7	1165.8	1209.7	1200
2024-04-01	1182.7	1165.8	1209.7	1200
2024-03-01	1182.7	1165.8	1209.7	1200
2024-02-01	1183.7	1165.8	1215.5	1200
2024-01-01	1183.7	1165.8	1215.5	1200
2023-12-01	1183.7	1165.8	1215.5	1200
2023-11-01	1183.7	1165.8	1215.5	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	Uitenhage Chess Club Rapid January 2024	2024-01-30	2024-02-13	Rapid	Nelson Mandela Bay (ENM)	6	2	1	Yes	Analysis
2	Uitenhage Chess Club RAPID III 2023	2023-08-29	2023-09-12	Rapid	Nelson Mandela Bay (ENM)	6	1	1	Yes	Analysis
3	UCC Protea Cup 2023 (A)	2023-04-14	2023-05-30	Standard	Nelson Mandela Bay (ENM)	8	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament Uitenhage Chess Club Rapid January 2024				Tournament Uitenhage Chess Club Rapid January 2024
		date 2024-01-30	rnd 2	type Rapid	result 1	date 2024-01-30	rnd 2	type Rapid	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)
2	1	Tournament Uitenhage Chess Club RAPID III 2023				Tournament Uitenhage Chess Club RAPID III 2023
		date 2023-08-29	rnd 2	type Rapid	result 1	date 2023-08-29	rnd 2	type Rapid	result 1
		Opponent Mackay, M (Mikhail)				Opponent Mackay, M (Mikhail)
3	1	Tournament UCC Protea Cup 2023				Tournament UCC Protea Cup 2023
		date 2023-04-14	rnd 1	type Standard	result 1	date 2023-04-14	rnd 1	type Standard	result 1
		Opponent Vosloo, J (Jerome)				Opponent Vosloo, J (Jerome)

#	Games	Start				End
1	1	Tournament UCC Protea Cup 2023				Tournament UCC Protea Cup 2023
		date 2023-04-14	rnd 1	type Standard	result 1	date 2023-04-14	rnd 1	type Standard	result 1
		Opponent Vosloo, J (Jerome)				Opponent Vosloo, J (Jerome)

#	Games	Start				End
1	1	Tournament Uitenhage Chess Club Rapid January 2024				Tournament Uitenhage Chess Club Rapid January 2024
		date 2024-01-30	rnd 2	type Rapid	result 1	date 2024-01-30	rnd 2	type Rapid	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)
2	1	Tournament Uitenhage Chess Club RAPID III 2023				Tournament Uitenhage Chess Club RAPID III 2023
		date 2023-08-29	rnd 2	type Rapid	result 1	date 2023-08-29	rnd 2	type Rapid	result 1
		Opponent Mackay, M (Mikhail)				Opponent Mackay, M (Mikhail)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Uitenhage Chess Club Rapid January 2024				Tournament Uitenhage Chess Club Rapid January 2024
		date 2024-01-30	rnd 2	type Rapid	result 1	date 2024-01-30	rnd 2	type Rapid	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)
2	1	Tournament Uitenhage Chess Club RAPID III 2023				Tournament Uitenhage Chess Club RAPID III 2023
		date 2023-08-29	rnd 2	type Rapid	result 1	date 2023-08-29	rnd 2	type Rapid	result 1
		Opponent Mackay, M (Mikhail)				Opponent Mackay, M (Mikhail)
3	1	Tournament UCC Protea Cup 2023				Tournament UCC Protea Cup 2023
		date 2023-04-14	rnd 1	type Standard	result 1	date 2023-04-14	rnd 1	type Standard	result 1
		Opponent Vosloo, J (Jerome)				Opponent Vosloo, J (Jerome)

#	Games	Start				End
1	1	Tournament UCC Protea Cup 2023				Tournament UCC Protea Cup 2023
		date 2023-04-14	rnd 1	type Standard	result 1	date 2023-04-14	rnd 1	type Standard	result 1
		Opponent Vosloo, J (Jerome)				Opponent Vosloo, J (Jerome)

#	Games	Start				End
1	1	Tournament Uitenhage Chess Club Rapid January 2024				Tournament Uitenhage Chess Club Rapid January 2024
		date 2024-01-30	rnd 2	type Rapid	result 1	date 2024-01-30	rnd 2	type Rapid	result 1
		Opponent Lombard, L (Liam)				Opponent Lombard, L (Liam)
2	1	Tournament Uitenhage Chess Club RAPID III 2023				Tournament Uitenhage Chess Club RAPID III 2023
		date 2023-08-29	rnd 2	type Rapid	result 1	date 2023-08-29	rnd 2	type Rapid	result 1
		Opponent Mackay, M (Mikhail)				Opponent Mackay, M (Mikhail)

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	Vosloo ,J (Jerome)	1	1	425	1	1	425	0	0	0	0	0	0
1	Vosloo ,J (Jerome)	1	1210.5	1635.5	1	1200	1635.5	0	0	0	0	0	0
2	De Klerk ,R (Riaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	De Klerk ,R (Riaan)	1	1242.4	817.4	1	1200	817.4	0	0	0	0	0	0
3	Arendse ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Arendse ,L (Luke)	1	1253.2	828.2	1	1189.1	828.2	0	0	0	0	0	0
4	Muller ,BM (Benjamin Michael)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Muller ,BM (Benjamin Michael)	1	1268.1	843.1	1	1251.5	843.1	0	0	0	0	0	0
5	Mackay ,M (Mikhail)	1	1	425	0	0	0	1	1	425	0	0	0
5	Mackay ,M (Mikhail)	1	1170.7	1595.7	0	0	0	1	1102.4	1595.7	0	0	0
6	Henn ,R (Robert)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Henn ,R (Robert)	1	1224	799	0	0	0	1	1207.2	799	0	0	0
7	Lombard ,L (Liam)	1	1	425	0	0	0	1	1	425	0	0	0
7	Lombard ,L (Liam)	1	1094.5	1519.5	0	0	0	1	1086	1519.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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Statistics

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PLAYER PAGE

Personal

Matthews, R (Roger)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms