Chess South Africa Ratings Database

PLAYER PAGE

Personal

Diamond, R (Ruben)

Chess SA id

193007245

FIDE id

Date of birth

1993-01-18 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-09-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1601	1589.3	1707	1707
Raw rating	1601	1589.3	1707	1707
Weighted rating	1601	1589.3	1707	1707
Weighted performance	0	0	0	0
Floor	1207	1207	1207	1207
K-factor	28	28	28	28
Min/Max rating change allowed	93.6	95.2	80.5	80.5
Highest rating	1707 2018-04-01	1707 2018-04-01	1707 2024-02-01	1707 2024-02-01
Highest raw rating	1707 2018-02-01	1707 2018-02-01	1707 2024-02-01	1707 2024-02-01
Highest weighted rating	1707 2018-04-01	1707 2018-04-01	1707 2024-02-01	1707 2024-02-01
Highest weighted performance	1580.6 2018-09-01	1582.6 2018-09-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1601	1589.3	1707	1707
Analysis
Rating	1601	1589.3	1707	1707
Raw rating	1601	1589.3	1707	1707
Weighted rating	1601	1589.3	1707
Weighted performance	0	0	0
K-factor	28	28	28	28
Floor	1207	1207	1207	1207
Max/Min rating change allowed	93.6	95.2	80.5	80.5
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	1601	1589.3	1707	1707
New weighted rating	1601	1589.3	1707	1707
New weighted performance	0	0	0	0
Temp new rating	1601	1589.3	1707	1707
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1601	1589.3	1707	1707
New K-factor	28	28	28	28
New floor	1207	1207	1207	1207

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	3	3	0	0
	1	1	0	0
	0	0	0	0
History	203	190	6	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	42	25	59.52	81	1470.2	1551.2
Standard	42	25	59.52	81	1470.2	1551.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1601	1589.3	1707	1707
2025-09-30	1601	1589.3	1707	1707
2025-09-01	1601	1589.3	1707	1707
2025-08-01	1601	1589.3	1707	1707
2025-07-01	1601	1589.3	1707	1707
2025-06-01	1601	1589.3	1707	1707
2025-05-01	1601	1589.3	1707	1707
2025-04-01	1601	1589.3	1707	1707
2025-03-01	1601	1589.3	1707	1707
2025-02-01	1601	1589.3	1707	1707
2025-01-01	1601	1589.3	1707	1707
2024-12-01	1601	1589.3	1707	1707
2024-11-01	1601	1589.3	1707	1707
2024-10-01	1601	1589.3	1707	1707
2024-09-01	1601	1589.3	1707	1707
2024-08-01	1601	1589.3	1707	1707
2024-07-01	1601	1589.3	1707	1707
2024-09-01	1601	1589.3	1707	1707
2024-05-01	1601	1589.3	1707	1707
2024-04-01	1601	1589.3	1707	1707
2024-03-01	1601	1589.3	1707	1707
2024-02-01	1601	1589.3	1707	1707
2024-01-01	1601	1589.3	1707	1707
2023-12-01	1593	1585.2	1707	1707

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	WP Club League 2023 (A)	2023-07-29	2023-09-09	Standard	Cape Town (WCT)	11	3	2	Yes	Analysis
2	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis
3	2019 USSA Championships (Open)	2019-12-02	2019-12-06	Standard	Sarah Baartman (ESB)	9	9	5.5	Yes	Analysis
4	2019 National Club Chess Championships (A)	2019-09-27	2019-09-29	Standard	Cape Town (WCT)	6	3	0	Yes	Analysis
5	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	11	8.5	Yes	Analysis
6	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	6	3	Yes	Analysis
7	2018 USSA Championship (Open)	2018-07-02	2018-07-06	Standard	Gert Sibande (MGS)	9	9	6	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-08-17	rnd 8	type Standard	result 1
		Opponent Flink, AA (Angelo)				Opponent Sloane, J (James)
2	6	Tournament 2018 USSA Championship				Tournament 2018 Western Province League
		date 2018-07-05	rnd 6	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Payi, N (Nzondeleo)				Opponent Samuel, C (Caleb)
3	3	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 0.5	date 2023-08-19	rnd 5	type Standard	result 1
		Opponent Baxter, DJ (David)				Opponent Levin, BRL (Benny)

#	Games	Start				End
1	8	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-07-27	rnd 1	type Standard	result 1	date 2019-08-17	rnd 8	type Standard	result 1
		Opponent Flink, AA (Angelo)				Opponent Sloane, J (James)
2	6	Tournament 2018 USSA Championship				Tournament 2018 Western Province League
		date 2018-07-05	rnd 6	type Standard	result 1	date 2018-08-04	rnd 2	type Standard	result 1
		Opponent Payi, N (Nzondeleo)				Opponent Samuel, C (Caleb)
3	3	Tournament WP Club League 2023				Tournament WP Club League 2023
		date 2023-07-29	rnd 1	type Standard	result 0.5	date 2023-08-19	rnd 5	type Standard	result 1
		Opponent Baxter, DJ (David)				Opponent Levin, BRL (Benny)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-08-17	rnd 8	type Standard	result 1
		Opponent Fisher, H (Howard)				Opponent Sloane, J (James)
2	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-02	rnd 1	type Standard	result 1	date 2018-07-03	rnd 3	type Standard	result 1
		Opponent Chiloane, L (Leeroy)				Opponent Mogotsi, T (Thapelo Daniel)
3	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 5	type Standard	result 1	date 2019-12-05	rnd 6	type Standard	result 1
		Opponent Mabena, M (Mzamo)				Opponent Morubane, BM (Benjamin)

#	Games	Start				End
1	3	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-10	rnd 6	type Standard	result 1	date 2019-08-17	rnd 8	type Standard	result 1
		Opponent Fisher, H (Howard)				Opponent Sloane, J (James)
2	3	Tournament 2018 USSA Championship				Tournament 2018 USSA Championship
		date 2018-07-02	rnd 1	type Standard	result 1	date 2018-07-03	rnd 3	type Standard	result 1
		Opponent Chiloane, L (Leeroy)				Opponent Mogotsi, T (Thapelo Daniel)
3	2	Tournament 2019 USSA Championships				Tournament 2019 USSA Championships
		date 2019-12-04	rnd 5	type Standard	result 1	date 2019-12-05	rnd 6	type Standard	result 1
		Opponent Mabena, M (Mzamo)				Opponent Morubane, BM (Benjamin)

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	Hastie ,SEH (Sachin)	2	1	0	2	1	0	0	0	0	0	0	0
1	Hastie ,SEH (Sachin)	2	1532	1532	2	1530.9	1532	0	0	0	0	0	0
2	Mogotsi ,T (Thapelo Daniel)	1	1	425	1	1	425	0	0	0	0	0	0
2	Mogotsi ,T (Thapelo Daniel)	1	950.7	1375.7	1	964	1375.7	0	0	0	0	0	0
3	Brown ,SC (Shaun Christo)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Brown ,SC (Shaun Christo)	1	1799.6	1374.6	1	1791.9	1374.6	0	0	0	0	0	0
4	Samuel ,C (Caleb)	1	1	425	1	1	425	0	0	0	0	0	0
4	Samuel ,C (Caleb)	1	1686.4	2111.4	1	1686.4	2111.4	0	0	0	0	0	0
5	Nqobese ,B (Bhekwakhe)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nqobese ,B (Bhekwakhe)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Matengele ,M (Maya)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Matengele ,M (Maya)	1	1279.7	854.7	1	1296.8	854.7	0	0	0	0	0	0
7	Murapa ,B (Batsirai)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Murapa ,B (Batsirai)	1	1230.9	805.9	1	1237.2	805.9	0	0	0	0	0	0
8	Morubane ,BM (Benjamin)	1	1	425	1	1	425	0	0	0	0	0	0
8	Morubane ,BM (Benjamin)	1	1149	1574	1	1149	1574	0	0	0	0	0	0
9	Lay ,O (Oliver)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lay ,O (Oliver)	1	1362.8	937.8	1	1365.7	937.8	0	0	0	0	0	0
10	Morris ,B (Bradley)	1	1	425	1	1	425	0	0	0	0	0	0
10	Morris ,B (Bradley)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Diamond, R (Ruben)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms