Chess South Africa Ratings Database

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Personal

Von Seidel, A (Alexander)

Chess SA id

1090097532

FIDE id

Date of birth

2009-11-09 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1222	1219.6	1179.6	1200
Raw rating	1222	1219.6	1179.6	1200
Weighted rating	1222	1219.6	1179.6	1200
Weighted performance	322.1	317.2	0	0
Floor	723.8	731.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	160.7	161.2	170.7	165.8
Highest rating	1223.8 2020-03-01	1231.1 2020-03-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1223.8 2020-03-01	1231.1 2020-03-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1223.8 2022-02-01	1231.1 2022-01-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2018-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1222	1219.6	1179.6	1200
Analysis
Rating	1222	1219.6	1179.6	1200
Raw rating	1222	1219.6	1179.6	1200
Weighted rating	1222	1219.6	1179.6
Weighted performance	322.1	317.2	0
K-factor	36	36	36	36
Floor	723.8	731.1	700	700
Max/Min rating change allowed	160.7	161.2	170.7	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	1222	1219.6	1179.6	1200
New weighted rating	1222	1219.6	1179.6	1200
New weighted performance	321.7	316.8	0	0
Temp new rating	1222	1219.6	1179.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1222	1219.6	1179.6	1200
New K-factor	36	36	36	36
New floor	723.8	731.1	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	28	23	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	28	15	53.57	30.4	1174.7	1205.1
Standard	23	12	52.17	18.5	1224.4	1242.8
Rapid	5	3	60	85	946.2	1031.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1222	1219.6	1179.6	1200
2025-09-01	1222	1219.6	1179.6	1200
2025-08-01	1222	1219.6	1179.6	1200
2025-07-01	1222	1219.6	1179.6	1200
2025-06-01	1222	1219.6	1179.6	1200
2025-05-01	1222	1219.6	1179.6	1200
2025-04-01	1222	1219.6	1179.6	1200
2025-03-01	1222	1219.6	1179.6	1200
2025-02-01	1222	1219.6	1179.6	1200
2025-01-01	1222	1219.6	1179.6	1200
2024-12-01	1222	1219.6	1179.6	1200
2024-11-01	1222	1219.6	1179.6	1200
2024-10-01	1222	1219.6	1179.6	1200
2024-09-01	1222	1219.6	1179.6	1200
2024-08-01	1222	1219.6	1179.6	1200
2024-07-01	1222	1219.6	1179.6	1200
2024-06-01	1222	1219.6	1179.6	1200
2024-08-01	1222	1219.6	1179.6	1200
2024-04-01	1222	1219.6	1179.6	1200
2024-03-01	1222	1219.6	1179.6	1200
2024-02-01	1222	1219.6	1179.6	1200
2024-01-01	1222	1219.6	1179.6	1200
2023-12-01	1222	1219.6	1179.6	1200
2023-11-01	1222	1219.6	1179.6	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	2020 Metro Trials (U11 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
2	2020 Central District (U11)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
3	Western Cape Top Schools 2019 (U11 Mix)	2019-08-31	2019-09-01	Standard	Cape Winelands (WCW)	5	4	2	Yes	Analysis
4	2019 Central District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
5	Western Cape Top Schools 2018 (U7+U9 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	2	Yes	Analysis
6	Welgemoed Chess Challenge 2018 (U10)	2018-02-24	2018-02-24	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament 2020 Central District
		date 2019-09-01	rnd 4	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Lewis, C (Calum)				Opponent Mazari, M (Mahdi)
2	3	Tournament Western Cape Top Schools 2018				Tournament 2019 Central District Schools Trials
		date 2018-08-26	rnd 5	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Govender, D (Deresh)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 2	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Baeder, S (Silas)				Opponent Chisholm, G (Griffin)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament 2020 Central District
		date 2019-09-01	rnd 4	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Lewis, C (Calum)				Opponent Mazari, M (Mahdi)
2	3	Tournament Western Cape Top Schools 2018				Tournament 2019 Central District Schools Trials
		date 2018-08-26	rnd 5	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Govender, D (Deresh)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 2	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Baeder, S (Silas)				Opponent Chisholm, G (Griffin)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 3	type Rapid	result 1	date 2018-02-24	rnd 4	type Rapid	result 1
		Opponent Eygelaar, M (Marthinus Jon)				Opponent Bester, M (Milla)
2	1	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 1	type Rapid	result 1	date 2018-02-24	rnd 1	type Rapid	result 1
		Opponent Arowolo, E (Emmanuel)				Opponent Arowolo, E (Emmanuel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament 2020 Central District
		date 2019-09-01	rnd 4	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Lewis, C (Calum)				Opponent Mazari, M (Mahdi)
2	3	Tournament Western Cape Top Schools 2018				Tournament 2019 Central District Schools Trials
		date 2018-08-26	rnd 5	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Govender, D (Deresh)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 2	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Baeder, S (Silas)				Opponent Chisholm, G (Griffin)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2019				Tournament 2020 Central District
		date 2019-09-01	rnd 4	type Standard	result 1	date 2020-02-07	rnd 2	type Standard	result 1
		Opponent Lewis, C (Calum)				Opponent Mazari, M (Mahdi)
2	3	Tournament Western Cape Top Schools 2018				Tournament 2019 Central District Schools Trials
		date 2018-08-26	rnd 5	type Standard	result 1	date 2019-02-01	rnd 2	type Standard	result 1
		Opponent Koko, A (Anisa)				Opponent Govender, D (Deresh)
3	2	Tournament 2020 Metro Trials				Tournament 2020 Metro Trials
		date 2020-03-14	rnd 2	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Baeder, S (Silas)				Opponent Chisholm, G (Griffin)

#	Games	Start				End
1	2	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 3	type Rapid	result 1	date 2018-02-24	rnd 4	type Rapid	result 1
		Opponent Eygelaar, M (Marthinus Jon)				Opponent Bester, M (Milla)
2	1	Tournament Welgemoed Chess Challenge 2018				Tournament Welgemoed Chess Challenge 2018
		date 2018-02-24	rnd 1	type Rapid	result 1	date 2018-02-24	rnd 1	type Rapid	result 1
		Opponent Arowolo, E (Emmanuel)				Opponent Arowolo, E (Emmanuel)

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	Bosman ,L (Louis Willem)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Bosman ,L (Louis Willem)	1	1328.6	903.6	1	1271.4	903.6	0	0	0	0	0	0
2	Ntsinga ,M (Mama)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ntsinga ,M (Mama)	1	1133.3	1558.3	1	1119.6	1558.3	0	0	0	0	0	0
3	Baeder ,S (Silas)	1	1	425	1	1	425	0	0	0	0	0	0
3	Baeder ,S (Silas)	1	1206	1631	1	1204.8	1631	0	0	0	0	0	0
4	Lewis ,C (Calum)	1	1	425	1	1	425	0	0	0	0	0	0
4	Lewis ,C (Calum)	1	1167.5	1592.5	1	1159	1592.5	0	0	0	0	0	0
5	Meyer ,M (Matthew)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Meyer ,M (Matthew)	1	1283.8	858.8	1	1258.4	858.8	0	0	0	0	0	0
6	Oyieragik ,L (Leon)	1	1	425	1	1	425	0	0	0	0	0	0
6	Oyieragik ,L (Leon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Michaels ,E (Enrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Michaels ,E (Enrico)	1	1436.2	1011.2	1	1445.6	1011.2	0	0	0	0	0	0
8	Hart-Davis ,K (Katherine)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Hart-Davis ,K (Katherine)	1	1041.6	616.6	1	1014.8	616.6	0	0	0	0	0	0
9	Spiller ,A (Arin)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Spiller ,A (Arin)	1	1137.8	712.8	1	1142.3	712.8	0	0	0	0	0	0
10	Mazari ,M (Mahdi)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mazari ,M (Mahdi)	1	1126.7	1551.7	1	1110.8	1551.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Von Seidel, A (Alexander)

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