Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koopman, R (Ruaan)

Chess SA id

1130326571

FIDE id

Date of birth

2013-07-22 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1302.5	1200	1355.2	1200
Raw rating	1302.5	1200	1355.2	1200
Weighted rating	1214	1200	1221.5	1200
Weighted performance	0	0	0	0
Floor	802.5	700	855.2	700
K-factor	36	40	36	40
Min/Max rating change allowed	143.3	165.8	132.9	165.8
Highest rating	1302.5 2025-11-01	1199 2025-08-26	1355.2 2025-11-01	1199 2025-08-26
Highest raw rating	1302.5 2025-11-01	1199 2025-08-26	1355.2 2025-11-01	1199 2025-08-26
Highest weighted rating	1214 2025-11-01	0 2025-08-26	1221.5 2025-11-01	0 2025-08-26
Highest weighted performance	0 2025-08-26	0 2025-08-26	0 2025-08-26	0 2025-08-26

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1302.5	1200	1355.2	1200
Analysis
Rating	1302.5	1200	1355.2	1200
Raw rating	1302.5	1200	1355.2	1200
Weighted rating	1214	1200	1221.5
Weighted performance	0	0	0
K-factor	36	40	36	40
Floor	802.5	700	855.2	700
Max/Min rating change allowed	143.3	165.8	132.9	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	1302.5	1200	1355.2	1200
New weighted rating	1221.6	1200	1233	1200
New weighted performance	0	0	0	0
Temp new rating	1302.5	1200	1355.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1302.5	1200	1355.2	1200
New K-factor	36	36	36	36
New floor	802.5	700	855.2	700

Item	Main	Rapid
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 0		Rapid 9		Blitz 0
Gender	M
Age group	U14
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-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	9	8	88.89	330.6	1315.8	1646.4
Standard	0	0	0	0	0	0
Rapid	9	8	88.89	330.6	1315.8	1646.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	8	88.89	330.6	1315.8	1646.4
Standard	0	0	0	0	0	0
Rapid	9	8	88.89	330.6	1315.8	1646.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1302.5	1200	1355.2	1200
2025-09-30	1238.3	1200	1260.8	1200
2025-09-01	1238.3	1200	1260.8	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Worcester Schools Knock-Out 2025 (U13 Boys)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	3	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Worcester Schools Knock-Out 2025 (U13 Boys)	2025-10-18	2025-10-18	Rapid	Cape Winelands (WCW)	6	6	5	Yes	Analysis
2	Cape Winelands Top Schools 2025 (U13)	2025-08-23	2025-08-23	Rapid	Cape Winelands (WCW)	5	3	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament Worcester Schools Knock-Out 2025				Tournament Worcester Schools Knock-Out 2025
		date 2025-10-18	rnd 3	type Rapid	result 1	date 2025-10-18	rnd 6	type Rapid	result 1
		Opponent Milhomem, D (Daniel)				Opponent Amsterdam, J (Jodan)
2	4	Tournament Cape Winelands Top Schools 2025				Tournament Worcester Schools Knock-Out 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-10-18	rnd 1	type Rapid	result 1
		Opponent Joseph, V (Valdemiro)				Opponent Cornelius, L (Laythan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Joseph, V (Valdemiro)				Opponent Venter, A (Andria)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Joseph, V (Valdemiro)				Opponent Venter, A (Andria)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Top Schools 2025				Tournament Cape Winelands Top Schools 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Joseph, V (Valdemiro)				Opponent Venter, A (Andria)

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	Izham ,D (Daffa Muqri Bin)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Izham ,D (Daffa Muqri Bin)	1	1344.3	919.3	0	0	0	1	1322.5	919.3	0	0	0
2	Amsterdam ,J (Jodan)	1	1	425	0	0	0	1	1	425	0	0	0
2	Amsterdam ,J (Jodan)	1	1426.6	1851.6	0	0	0	1	1342.8	1851.6	0	0	0
3	Joseph ,J (Jamie)	1	1	425	0	0	0	1	1	425	0	0	0
3	Joseph ,J (Jamie)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
4	Cornelius ,L (Laythan)	1	1	425	0	0	0	1	1	425	0	0	0
4	Cornelius ,L (Laythan)	1	1481	1906	0	0	0	1	1427.5	1906	0	0	0
5	Venter ,A (Andria)	1	1	425	0	0	0	1	1	425	0	0	0
5	Venter ,A (Andria)	1	1199.6	1624.6	0	0	0	1	1199.3	1624.6	0	0	0
6	Joseph ,V (Valdemiro)	1	1	425	0	0	0	1	1	425	0	0	0
6	Joseph ,V (Valdemiro)	1	1183.2	1608.2	0	0	0	1	1183	1608.2	0	0	0
7	Milhomem ,D (Daniel)	1	1	425	0	0	0	1	1	425	0	0	0
7	Milhomem ,D (Daniel)	1	1300.6	1725.6	0	0	0	1	1309.7	1725.6	0	0	0
8	Krynauw ,E (Eben)	1	1	425	0	0	0	1	1	425	0	0	0
8	Krynauw ,E (Eben)	1	1396.9	1821.9	0	0	0	1	1376.3	1821.9	0	0	0
9	Mudau ,U (Unarine)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mudau ,U (Unarine)	1	1309.9	1734.9	0	0	0	1	1311.6	1734.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Koopman, R (Ruaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms