Chess South Africa Ratings Database

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Personal

Riordan, SA (Simon Alexander)

Chess SA id

102032223

FIDE id

Date of birth

2002-09-26 (Adult)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1312.7	1313.3	1311.9	1311.9
Raw rating	1312.7	1313.3	1311.9	1311.9
Weighted rating	1312.7	1312.9	1311.9	1311.9
Weighted performance	457.5	457.6	0	0
Floor	817	817	811.9	811.9
K-factor	36	36	36	36
Min/Max rating change allowed	141.2	141.1	141.4	141.4
Highest rating	1317 2024-02-01	1317 2024-02-01	1311.9 2024-02-01	1311.9 2024-02-01
Highest raw rating	1317 2024-02-01	1317 2024-02-01	1311.9 2024-02-01	1311.9 2024-02-01
Highest weighted rating	1317 2024-07-01	1317 2024-07-01	1311.9 2024-02-01	1311.9 2024-02-01
Highest weighted performance	1276.4 2018-12-01	1280 2018-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1312.7	1313.3	1311.9	1311.9
Analysis
Rating	1312.7	1313.3	1311.9	1311.9
Raw rating	1312.7	1313.3	1311.9	1311.9
Weighted rating	1312.7	1312.9	1311.9
Weighted performance	457.5	457.6	0
K-factor	36	36	36	36
Floor	817	817	811.9	811.9
Max/Min rating change allowed	141.2	141.1	141.4	141.4
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	1312.7	1313.3	1311.9	1311.9
New weighted rating	1312.7	1312.8	1311.9	1311.9
New weighted performance	457	457.1	0	0
Temp new rating	1312.7	1313.3	1311.9	1311.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1312.7	1313.3	1311.9	1311.9
New K-factor	36	36	36	36
New floor	817	817	811.9	811.9

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	6	6	0
	0	0	0
	0	0	0
	0	0	0
History	451	426	25

Games since
	Main 6	Standard 6		Rapid 0		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	56	29	51.79	15.2	1237.7	1252.8
Standard	56	29	51.79	15.2	1237.7	1252.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1312.7	1313.3	1311.9	1311.9
2025-09-01	1312.7	1313.3	1311.9	1311.9
2025-08-01	1312.7	1313.3	1311.9	1311.9
2025-07-01	1312.7	1313.3	1311.9	1311.9
2025-06-01	1312.7	1313.3	1311.9	1311.9
2025-05-01	1312.6	1313.3	1311.9	1311.9
2025-04-01	1312.6	1313.3	1311.9	1311.9
2025-03-01	1312.5	1313.3	1311.9	1311.9
2025-02-01	1312.3	1313.1	1311.9	1311.9
2025-01-01	1310.6	1309.4	1311.9	1311.9
2024-12-01	1310.6	1309.4	1311.9	1311.9
2024-11-01	1310.6	1309.4	1311.9	1311.9
2024-10-01	1310.6	1309.4	1311.9	1311.9
2024-09-01	1310.6	1309.4	1311.9	1311.9
2024-08-01	1310.6	1309.4	1311.9	1311.9
2024-07-01	1317	1317	1311.9	1311.9
2024-06-01	1317	1317	1311.9	1311.9
2024-08-01	1317	1317	1311.9	1311.9
2024-04-01	1317	1317	1311.9	1311.9
2024-03-01	1317	1317	1311.9	1311.9
2024-02-01	1317	1317	1311.9	1311.9
2024-01-01	1317	1317	1311.9	1311.9
2023-12-01	1308.6	1316.2	1311.9	1311.9
2023-11-01	1308.6	1316.2	1311.9	1311.9

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	Karen Ashworth 2024 (A)	2024-07-19	2024-07-20	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
2	South African Junior Team Championships 2018 (U18A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis
3	NMBJC Closed 2018 (U18+U20)	2018-07-27	2018-07-28	Standard	Nelson Mandela Bay (ENM)	6	6	2.5	Yes	Analysis
4	NMBJC Trials 4 2018 (U18+U20)	2018-07-20	2018-07-21	Standard	Nelson Mandela Bay (ENM)	5	5	3	Yes	Analysis
5	NMB Second Trials 2018 (U18+U20)	2018-04-20	2018-04-22	Standard	Nelson Mandela Bay (ENM)	5	5	1.5	Yes	Analysis
6	NMB First Trails 2018 (U18+U20)	2018-03-23	2018-03-24	Standard	Nelson Mandela Bay (ENM)	6	6	3.5	Yes	Analysis
7	2018 Boardwalk Pearson Open (B)	2018-03-17	2018-03-18	Standard	Nelson Mandela Bay (ENM)	7	7	5	Yes	Analysis
8	South African Junior Wildcard Championships 2017 (U16 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
9	South African Junior Team Championships 2017 (U16A)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament NMBJC Trials 4 2018				Tournament NMBJC Closed 2018
		date 2018-07-20	rnd 1	type Standard	result 0.5	date 2018-07-28	rnd 2	type Standard	result 0.5
		Opponent Prinsloo, S (Shudley)				Opponent Sapere, R (Rafael)
2	5	Tournament NMBJC Closed 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-28	rnd 6	type Standard	result 0.5	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Vuso, H (Hlomisa)				Opponent Higgins, F (Franco)
3	4	Tournament NMB First Trails 2018				Tournament NMB Second Trials 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 0.5
		Opponent Ngwala, L (Lutho)				Opponent Gouws, KM (Karla)

#	Games	Start				End
1	7	Tournament NMBJC Trials 4 2018				Tournament NMBJC Closed 2018
		date 2018-07-20	rnd 1	type Standard	result 0.5	date 2018-07-28	rnd 2	type Standard	result 0.5
		Opponent Prinsloo, S (Shudley)				Opponent Sapere, R (Rafael)
2	5	Tournament NMBJC Closed 2018				Tournament South African Junior Team Championships 2018
		date 2018-07-28	rnd 6	type Standard	result 0.5	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Vuso, H (Hlomisa)				Opponent Higgins, F (Franco)
3	4	Tournament NMB First Trails 2018				Tournament NMB Second Trials 2018
		date 2018-03-24	rnd 5	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 0.5
		Opponent Ngwala, L (Lutho)				Opponent Gouws, KM (Karla)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Hlongwane, S (Shuttleworth)				Opponent Higgins, F (Franco)
2	3	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Ndlovu, T (Terence)
3	2	Tournament Karen Ashworth 2024				Tournament Karen Ashworth 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Madlingozi, I (Imange)				Opponent Coetzee, S (Samual)

#	Games	Start				End
1	3	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-16	rnd 2	type Standard	result 1	date 2018-12-17	rnd 4	type Standard	result 1
		Opponent Hlongwane, S (Shuttleworth)				Opponent Higgins, F (Franco)
2	3	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Ndlovu, T (Terence)
3	2	Tournament Karen Ashworth 2024				Tournament Karen Ashworth 2024
		date 2024-07-20	rnd 2	type Standard	result 1	date 2024-07-20	rnd 3	type Standard	result 1
		Opponent Madlingozi, I (Imange)				Opponent Coetzee, S (Samual)

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	Sapere ,R (Rafael)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Sapere ,R (Rafael)	3	1291.4	1291.4	3	1291.9	1291.4	0	0	0	0	0	0
2	Strydom ,D (De-Leon)	2	1	0	2	1	0	0	0	0	0	0	0
2	Strydom ,D (De-Leon)	2	1436.3	1436.3	2	1432.7	1436.3	0	0	0	0	0	0
3	Banks ,DA (Delano Arthur)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Banks ,DA (Delano Arthur)	2	1447.9	1235.4	2	1462.7	1235.4	0	0	0	0	0	0
4	Van Der Merwe ,D (Dillen)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
4	Van Der Merwe ,D (Dillen)	2	1114.1	1326.6	2	1108.6	1326.6	0	0	0	0	0	0
5	Amato ,N (Nathan)	2	1	0	2	1	0	0	0	0	0	0	0
5	Amato ,N (Nathan)	2	1345.4	1345.4	2	1345.4	1345.4	0	0	0	0	0	0
6	Kettledas ,DT (Danielle Thandi)	2	2	425	2	2	425	0	0	0	0	0	0
6	Kettledas ,DT (Danielle Thandi)	2	1054.6	1479.6	2	1057.1	1479.6	0	0	0	0	0	0
7	Fibiger ,JN (Jethro Nathanael)	2	1	0	2	1	0	0	0	0	0	0	0
7	Fibiger ,JN (Jethro Nathanael)	2	1448.4	1448.4	2	1452.4	1448.4	0	0	0	0	0	0
8	Prinsloo ,S (Shudley)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Prinsloo ,S (Shudley)	2	880	1092.5	2	883.7	1092.5	0	0	0	0	0	0
9	Hlongwane ,S (Shuttleworth)	1	1	425	1	1	425	0	0	0	0	0	0
9	Hlongwane ,S (Shuttleworth)	1	1183.6	1608.6	1	1176.2	1608.6	0	0	0	0	0	0
10	Van Der Merwe ,S (Sarah)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Der Merwe ,S (Sarah)	1	636.1	1061.1	1	593.2	1061.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Riordan, SA (Simon Alexander)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms