Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sederstroom, A (Ayden)

Chess SA id

1130315530

FIDE id

Date of birth

2013-08-15 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1233.7	1237.9	1200	1200
Raw rating	1233.7	1237.9	1200	1200
Weighted rating	1220	1222.6	1200	1200
Weighted performance	0	0	0	0
Floor	733.7	737.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158	157.1	165.8	165.8
Highest rating	1233.7 2025-04-01	1237.9 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest raw rating	1233.7 2025-04-01	1237.9 2025-04-01	1200 2025-03-01	1200 2025-03-01
Highest weighted rating	1214.2 2025-08-01	1216.1 2025-08-01	1200 2025-03-01	1200 2025-03-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1233.7	1237.9	1200	1200
Analysis
Rating	1233.7	1237.9	1200	1200
Raw rating	1233.7	1237.9	1200	1200
Weighted rating	1220	1222.6	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	733.7	737.9	700	700
Max/Min rating change allowed	158	157.1	165.8	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	1233.7	1237.9	1200	1200
New weighted rating	1221.7	1224.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1233.7	1237.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1233.7	1237.9	1200	1200
New K-factor	36	36	36	36
New floor	733.7	737.9	700	700

Item	Main	Standard
	0	0
	9	9
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 9	Standard 9		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	9	6	66.67	141.7	1167.4	1309.1
Standard	9	6	66.67	141.7	1167.4	1309.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	6	66.67	141.7	1167.4	1309.1
Standard	9	6	66.67	141.7	1167.4	1309.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1233.7	1237.9	1200	1200
2025-09-30	1233.7	1237.9	1200	1200
2025-09-01	1233.7	1237.9	1200	1200
2025-08-01	1233.7	1237.9	1200	1200
2025-07-01	1233.7	1237.9	1200	1200
2025-06-01	1233.7	1237.9	1200	1200
2025-05-01	1233.7	1237.9	1200	1200
2025-04-01	1233.7	1237.9	1200	1200
2025-03-01	1229.4	1235	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	Oudussa Trials 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudussa Trials 2 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Oudussa Trials 2025 (U13 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
2	Oudussa Trials 2 2025 (U13 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Coetzee, T (Trishan)				Opponent Mathabe, O (Obakeng)
2	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Welde, S (Snaligne)				Opponent Galant, J (Jian)
3	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Cogill, E (Edward)				Opponent Cogill, E (Edward)

#	Games	Start				End
1	3	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Coetzee, T (Trishan)				Opponent Mathabe, O (Obakeng)
2	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Welde, S (Snaligne)				Opponent Galant, J (Jian)
3	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Cogill, E (Edward)				Opponent Cogill, E (Edward)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Coetzee, T (Trishan)				Opponent Mathabe, O (Obakeng)
2	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Welde, S (Snaligne)				Opponent Galant, J (Jian)
3	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Cogill, E (Edward)				Opponent Cogill, E (Edward)

#	Games	Start				End
1	3	Tournament Oudussa Trials 2 2025				Tournament Oudussa Trials 2 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Coetzee, T (Trishan)				Opponent Mathabe, O (Obakeng)
2	2	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Welde, S (Snaligne)				Opponent Galant, J (Jian)
3	1	Tournament Oudussa Trials 2025				Tournament Oudussa Trials 2025
		date 2025-03-01	rnd 1	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Cogill, E (Edward)				Opponent Cogill, E (Edward)

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	Galant ,J (Jian)	2	2	425	2	2	425	0	0	0	0	0	0
1	Galant ,J (Jian)	2	1105.7	1530.7	2	1096.7	1530.7	0	0	0	0	0	0
2	Booysen ,F (Fainizo)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Booysen ,F (Fainizo)	2	1233.3	808.3	2	1240.2	808.3	0	0	0	0	0	0
3	Mathabe ,O (Obakeng)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mathabe ,O (Obakeng)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Cogill ,E (Edward)	1	1	425	1	1	425	0	0	0	0	0	0
4	Cogill ,E (Edward)	1	1125.7	1550.7	1	1113.1	1550.7	0	0	0	0	0	0
5	Oktober ,C (Caleb)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Oktober ,C (Caleb)	1	1149.6	724.6	1	1140.5	724.6	0	0	0	0	0	0
6	Welde ,S (Snaligne)	1	1	425	1	1	425	0	0	0	0	0	0
6	Welde ,S (Snaligne)	1	1153.6	1578.6	1	1142.7	1578.6	0	0	0	0	0	0
7	Coetzee ,T (Trishan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Coetzee ,T (Trishan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Sederstroom, A (Ayden)

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