Chess South Africa Ratings Database

PLAYER PAGE

Personal

Roos, R (Rico)

Chess SA id

101032541

FIDE id

Date of birth

2001-12-18 (Adult)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1189.1	1192.8	1125	1125
Raw rating	1189.1	1192.8	1125	1125
Weighted rating	1189.1	1192.8	1125	1125
Weighted performance	215.3	213.6	0	0
Floor	745.2	756	625	625
K-factor	36	36	40	40
Min/Max rating change allowed	168.4	167.5	184.5	184.5
Highest rating	1269.8 2018-04-01	1275.8 2018-04-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1245.2 2018-06-01	1256 2018-06-01	1125 2024-03-01	1125 2024-03-01
Highest weighted rating	1245.2 2018-12-01	1256 2018-12-01	1125 2024-11-01	1125 2024-11-01
Highest weighted performance	1269.8 2018-04-01	1275.8 2018-04-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1189.1	1192.8	1125	1125
Analysis
Rating	1189.1	1192.8	1125	1125
Raw rating	1189.1	1192.8	1125	1125
Weighted rating	1189.1	1192.8	1125
Weighted performance	215.3	213.6	0
K-factor	36	36	40	40
Floor	745.2	756	625	625
Max/Min rating change allowed	168.4	167.5	184.5	184.5
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	1189.1	1192.8	1125	1125
New weighted rating	1189.1	1192.8	1125	1125
New weighted performance	208.7	207	0	0
Temp new rating	1189.1	1192.8	1125	1125
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1189.1	1192.8	1125	1125
New K-factor	36	36	40	40
New floor	745.2	756	625	625

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	160	138	22

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Overberg (WOS)
Province	Western Cape (WC)
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	63	36	57.14	60.7	1146.2	1206.9
Standard	63	36	57.14	60.7	1146.2	1206.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1189.1	1192.8	1125	1125
2025-09-30	1189.1	1192.8	1125	1125
2025-09-01	1189.1	1192.8	1125	1125
2025-08-01	1189.1	1192.8	1125	1125
2025-07-01	1189.1	1192.8	1125	1125
2025-06-01	1189.1	1192.8	1125	1125
2025-05-01	1189.1	1192.8	1125	1125
2025-04-01	1189.1	1192.8	1125	1125
2025-03-01	1189.1	1192.8	1125	1125
2025-02-01	1189.1	1192.8	1125	1125
2025-01-01	1189.1	1192.8	1125	1125
2024-12-01	1189.1	1192.8	1125	1125
2024-11-01	1189.1	1192.8	1125	1125
2024-10-01	1189.1	1192.8	1125	1125
2024-09-01	1189.1	1192.8	1125	1125
2024-08-01	1189.1	1192.8	1125	1125
2024-07-01	1189.1	1192.8	1125	1125
2024-09-01	1189.1	1192.8	1125	1125
2024-05-01	1189.1	1192.8	1125	1125
2024-04-01	1189.1	1192.8	1125	1125
2024-03-01	1189.1	1192.8	1125	1125
2024-02-01	1189.1	1192.8	1125	1125
2024-01-01	1189.1	1192.8	1125	1125
2023-12-01	1189.1	1192.8	1125	1125

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	Western Cape Top Schools 2019 (U18 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	4	1	Yes	Analysis
2	Overberg Top Schools 2019 (U18)	2019-07-20	2019-07-20	Standard	Overberg (WOS)	3	3	3	Yes	Analysis
3	Western Cape Schools Individuals 2019 (U18 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	2	Yes	Analysis
4	Overberg School Chess Close Champs 2019 (U18 Boys)	2019-03-08	2019-03-09	Standard	Overberg (WOS)	6	6	5	Yes	Analysis
5	2018 Wild Card Chess Championships (U18 Open)	2018-12-21	2018-12-24	Standard	4 Knights (4K)	7	7	0.5	Yes	Analysis
6	South African Junior Team Championships 2018 (U18C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
7	Western Cape Top Schools 2018 (U19 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
8	Overberg 3rd Trial 2018 (U18+Open)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
9	Overberg 2nd Trial 2018 (U18)	2018-05-05	2018-05-05	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
10	Western Cape Schools Individuals 2018 (U18 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	3.5	Yes	Analysis
11	Overberg Chess 1st Trial 2018 (A)	2018-04-14	2018-04-14	Standard	Overberg (WOS)	5	5	4	Yes	Analysis
12	Overberg Schools Closed 2018 (U18 Boys)	2018-03-23	2018-03-23	Standard	Overberg (WOS)	6	6	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament Overberg Top Schools 2019
		date 2019-05-04	rnd 3	type Standard	result 0.5	date 2019-07-20	rnd 3	type Standard	result 1
		Opponent Windvogel, R (Rasheed)				Opponent Lombaard, J (Jowayne)
2	6	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-08	rnd 6	type Standard	result 0.5
		Opponent Arison, T (Tyresse)				Opponent Amitrano, A (Andrea)
3	6	Tournament Overberg Schools Closed 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-03-23	rnd 5	type Standard	result 0.5	date 2018-04-14	rnd 4	type Standard	result 1
		Opponent Izatt, B (Braeden)				Opponent Matthysen, M (Monwill)

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament Overberg Top Schools 2019
		date 2019-05-04	rnd 3	type Standard	result 0.5	date 2019-07-20	rnd 3	type Standard	result 1
		Opponent Windvogel, R (Rasheed)				Opponent Lombaard, J (Jowayne)
2	6	Tournament Overberg School Chess Close Champs 2019				Tournament Overberg School Chess Close Champs 2019
		date 2019-03-08	rnd 1	type Standard	result 1	date 2019-03-08	rnd 6	type Standard	result 0.5
		Opponent Arison, T (Tyresse)				Opponent Amitrano, A (Andrea)
3	6	Tournament Overberg Schools Closed 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-03-23	rnd 5	type Standard	result 0.5	date 2018-04-14	rnd 4	type Standard	result 1
		Opponent Izatt, B (Braeden)				Opponent Matthysen, M (Monwill)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Botes, A (Armand)				Opponent Dilima, A (Anani)
2	4	Tournament Overberg 2nd Trial 2018				Tournament Overberg 3rd Trial 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Mehnert, G (Geneve)				Opponent Mackenzie, T (Tyrol)
3	4	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 1	type Standard	result 1	date 2018-04-14	rnd 4	type Standard	result 1
		Opponent De Bruyn, G (Genevieve)				Opponent Matthysen, M (Monwill)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 1	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Botes, A (Armand)				Opponent Dilima, A (Anani)
2	4	Tournament Overberg 2nd Trial 2018				Tournament Overberg 3rd Trial 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 2	type Standard	result 1
		Opponent Mehnert, G (Geneve)				Opponent Mackenzie, T (Tyrol)
3	4	Tournament Overberg Chess 1st Trial 2018				Tournament Overberg Chess 1st Trial 2018
		date 2018-04-14	rnd 1	type Standard	result 1	date 2018-04-14	rnd 4	type Standard	result 1
		Opponent De Bruyn, G (Genevieve)				Opponent Matthysen, M (Monwill)

No games found.

#	Games	Start				End

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	Matthysen ,M (Monwill)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Matthysen ,M (Monwill)	3	906.7	1048.4	3	927.1	1048.4	0	0	0	0	0	0
2	Lee ,J (Joel)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Lee ,J (Joel)	2	1317.6	892.6	2	1328	892.6	0	0	0	0	0	0
3	Mehnert ,G (Geneve)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mehnert ,G (Geneve)	2	1065.2	1490.2	2	1088	1490.2	0	0	0	0	0	0
4	Wilson ,C (Caden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Wilson ,C (Caden)	1	1186.6	1186.6	1	1173.7	1186.6	0	0	0	0	0	0
5	Bolani ,S (Sakhile)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Bolani ,S (Sakhile)	1	1425	1000	1	1428.2	1000	0	0	0	0	0	0
6	Mfundisi ,I (Inga)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mfundisi ,I (Inga)	1	1008.5	1433.5	1	1027.6	1433.5	0	0	0	0	0	0
7	Swarts ,R (Raven)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Swarts ,R (Raven)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Arison ,T (Tyresse)	1	1	425	1	1	425	0	0	0	0	0	0
8	Arison ,T (Tyresse)	1	1099.4	1524.4	1	1073.6	1524.4	0	0	0	0	0	0
9	Mokwatedi ,K (Kgothatso)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mokwatedi ,K (Kgothatso)	1	1251.3	1676.3	1	1265	1676.3	0	0	0	0	0	0
10	Guneliev ,AA (Andrey Antonov)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Guneliev ,AA (Andrey Antonov)	1	775.2	350.2	1	779.1	350.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Roos, R (Rico)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms