Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bergstedt, G (Grayson)

Chess SA id

1130316216

FIDE id

Date of birth

2013-07-09 (U14)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1230.4	1199.9	1247.9	1200
Raw rating	1230.4	1199.9	1247.9	1200
Weighted rating	1204.7	1199.8	1207.5	1200
Weighted performance	0	0	0	0
Floor	730.4	699.9	747.9	700
K-factor	36	40	36	36
Min/Max rating change allowed	158.8	165.8	154.9	165.8
Highest rating	1230.4 2025-09-30	1199.9 2025-02-24	1247.9 2025-09-30	1200 2025-03-01
Highest raw rating	1230.4 2025-09-30	1199.9 2025-02-24	1247.9 2025-09-30	1200 2025-03-01
Highest weighted rating	1202.3 2025-09-30	1199.9 2025-02-24	1203.8 2025-09-30	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	1230.4	1199.9	1247.9	1200
Analysis
Rating	1230.4	1199.9	1247.9	1200
Raw rating	1230.4	1199.9	1247.9	1200
Weighted rating	1204.7	1199.8	1207.5
Weighted performance	0	0	0
K-factor	36	40	36	36
Floor	730.4	699.9	747.9	700
Max/Min rating change allowed	158.8	165.8	154.9	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	1230.4	1199.9	1247.9	1200
New weighted rating	1206.9	1199.8	1211	1200
New weighted performance	0	0	0	0
Temp new rating	1230.4	1199.9	1247.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1230.4	1199.9	1247.9	1200
New K-factor	36	40	36	36
New floor	730.4	699.9	747.9	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Winelands (WCW)
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	10	5.5	55	42.5	1237.5	1280
Standard	5	2	40	-85	1223.3	1138.3
Rapid	5	3.5	70	170	1251.7	1421.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	5.5	55	42.5	1237.5	1280
Standard	5	2	40	-85	1223.3	1138.3
Rapid	5	3.5	70	170	1251.7	1421.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1230.4	1199.9	1247.9	1200
2025-09-30	1230.4	1199.9	1247.9	1200
2025-09-01	1199.9	1199.9	1200	1200
2025-08-01	1199.9	1199.9	1200	1200
2025-07-01	1199.9	1199.9	1200	1200
2025-06-01	1199.9	1199.9	1200	1200
2025-05-01	1199.9	1199.9	1200	1200
2025-04-01	1199.8	1199.8	1200	1200
2025-03-01	1198.9	1198.6	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	Rhenish Primary 2025 (U14+Over)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Rhenish Primary 2025 (U14+Over)	2025-09-20	2025-09-20	Rapid	Cape Winelands (WCW)	5	5	3.5	Yes	Analysis
2	Cape Winelands Schools - Trials 1 2025 (U13 Boys)	2025-02-22	2025-02-22	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 3	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 0.5
		Opponent Arendse, T (Truston)				Opponent Crabbia, M (Mattia)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Rhenish Primary 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-09-20	rnd 1	type Rapid	result 1
		Opponent Coetzee, L (Leon)				Opponent Philips, L (Lundon)
3	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Kurtz, E (Eli)				Opponent Kurtz, E (Eli)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Coetzee, L (Leon)				Opponent Coetzee, L (Leon)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Kurtz, E (Eli)				Opponent Kurtz, E (Eli)

#	Games	Start				End
1	3	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 3	type Rapid	result 1	date 2025-09-20	rnd 5	type Rapid	result 0.5
		Opponent Arendse, T (Truston)				Opponent Crabbia, M (Mattia)
2	1	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 1	type Rapid	result 1
		Opponent Philips, L (Lundon)				Opponent Philips, L (Lundon)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 3	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Arendse, T (Truston)				Opponent Diedericks, M (Michael)
2	2	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Rhenish Primary 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-09-20	rnd 1	type Rapid	result 1
		Opponent Coetzee, L (Leon)				Opponent Philips, L (Lundon)
3	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Kurtz, E (Eli)				Opponent Kurtz, E (Eli)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 5	type Standard	result 1	date 2025-02-22	rnd 5	type Standard	result 1
		Opponent Coetzee, L (Leon)				Opponent Coetzee, L (Leon)
2	1	Tournament Cape Winelands Schools - Trials 1 2025				Tournament Cape Winelands Schools - Trials 1 2025
		date 2025-02-22	rnd 3	type Standard	result 1	date 2025-02-22	rnd 3	type Standard	result 1
		Opponent Kurtz, E (Eli)				Opponent Kurtz, E (Eli)

#	Games	Start				End
1	2	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 3	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Arendse, T (Truston)				Opponent Diedericks, M (Michael)
2	1	Tournament Rhenish Primary 2025				Tournament Rhenish Primary 2025
		date 2025-09-20	rnd 1	type Rapid	result 1	date 2025-09-20	rnd 1	type Rapid	result 1
		Opponent Philips, L (Lundon)				Opponent Philips, L (Lundon)

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	Nagel ,A (Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Nagel ,A (Alexander)	1	1289.3	864.3	1	1274.5	864.3	0	0	0	0	0	0
2	Calvert ,C (Caylim)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Calvert ,C (Caylim)	1	1262	837	1	1254.7	837	0	0	0	0	0	0
3	Visser ,I (Izak)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Visser ,I (Izak)	1	1194.2	769.2	1	1191.1	769.2	0	0	0	0	0	0
4	Coetzee ,L (Leon)	1	1	425	1	1	425	0	0	0	0	0	0
4	Coetzee ,L (Leon)	1	1170.9	1595.9	1	1164.2	1595.9	0	0	0	0	0	0
5	Kurtz ,E (Eli)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kurtz ,E (Eli)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Arendse ,T (Truston)	1	1	425	0	0	0	1	1	425	0	0	0
6	Arendse ,T (Truston)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Crabbia ,M (Mattia)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
7	Crabbia ,M (Mattia)	1	1223.8	1223.8	0	0	0	1	1229.7	1223.8	0	0	0
8	Philips ,L (Lundon)	1	1	425	0	0	0	1	1	425	0	0	0
8	Philips ,L (Lundon)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
9	Diedericks ,M (Michael)	1	1	425	0	0	0	1	1	425	0	0	0
9	Diedericks ,M (Michael)	1	1135.9	1560.9	0	0	0	1	1136.4	1560.9	0	0	0
10	Kuypers ,P (Parker)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Kuypers ,P (Parker)	1	1498.8	1073.8	0	0	0	1	1482.9	1073.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bergstedt, G (Grayson)

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