Chess South Africa Ratings Database

PLAYER PAGE

Personal

Vollgraaff, S (Stefan)

Chess SA id

1090130804

FIDE id

Date of birth

2009-12-23 (U18)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1258.8	1267.4	1200	1200
Raw rating	1258.8	1267.4	1200	1200
Weighted rating	1258.8	1267.4	1200	1200
Weighted performance	0	0	0	0
Floor	758.8	767.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.5	150.6	165.8	165.8
Highest rating	1282.9 2020-03-01	1282.2 2020-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1258.8 2024-02-01	1267.4 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1258.8 2025-02-01	1267.4 2025-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1282.9 2020-03-01	1282.2 2020-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1258.8	1267.4	1200	1200
Analysis
Rating	1258.8	1267.4	1200	1200
Raw rating	1258.8	1267.4	1200	1200
Weighted rating	1258.8	1267.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	758.8	767.4	700	700
Max/Min rating change allowed	152.5	150.6	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	1258.8	1267.4	1200	1200
New weighted rating	1258.8	1267.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1258.8	1267.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1258.8	1267.4	1200	1200
New K-factor	36	36	36	36
New floor	758.8	767.4	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	5	5
	0	0
	0	0
History	18	18

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
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	18	11.5	63.89	118.1	1186.2	1304.3
Standard	18	11.5	63.89	118.1	1186.2	1304.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1258.8	1267.4	1200	1200
2025-09-01	1258.8	1267.4	1200	1200
2025-08-01	1258.8	1267.4	1200	1200
2025-07-01	1258.8	1267.4	1200	1200
2025-06-01	1258.8	1267.4	1200	1200
2025-05-01	1258.8	1267.4	1200	1200
2025-04-01	1258.8	1267.4	1200	1200
2025-03-01	1258.8	1267.4	1200	1200
2025-02-01	1258.8	1267.4	1200	1200
2025-01-01	1258.8	1267.4	1200	1200
2024-12-01	1258.8	1267.4	1200	1200
2024-11-01	1258.8	1267.4	1200	1200
2024-10-01	1258.8	1267.4	1200	1200
2024-09-01	1258.8	1267.4	1200	1200
2024-08-01	1258.8	1267.4	1200	1200
2024-07-01	1258.8	1267.4	1200	1200
2024-06-01	1258.8	1267.4	1200	1200
2024-08-01	1258.8	1267.4	1200	1200
2024-04-01	1258.8	1267.4	1200	1200
2024-03-01	1258.8	1267.4	1200	1200
2024-02-01	1258.8	1267.4	1200	1200
2024-01-01	1258.8	1267.4	1200	1200
2023-12-01	1258.8	1267.4	1200	1200
2023-11-01	1258.8	1267.4	1200	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	Hessequa Proewe 2 2023 (O15 Seuns)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
2	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Mossel Bay Trials 2 2020 (U11)	2020-02-15	2020-02-15	Standard	Eden (WEG)	5	4	2	Yes	Analysis
4	Mossel Bay Trials 1 2020 (U11)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	4	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Hessequa Proewe 2 2023
		date 2020-03-07	rnd 5	type Standard	result 1	date 2023-02-11	rnd 2	type Standard	result 0.5
		Opponent Saaiman, K (Kayle)				Opponent Faurie, D (Dawie)
2	2	Tournament Hessequa Proewe 2 2023				Tournament Hessequa Proewe 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Sauls, S (Shalmino)				Opponent Saaiman, K (Kayle)
3	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 1	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Fredericks, J (Jean Pierre)				Opponent Harris, E (Emerique)

#	Games	Start				End
1	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Hessequa Proewe 2 2023
		date 2020-03-07	rnd 5	type Standard	result 1	date 2023-02-11	rnd 2	type Standard	result 0.5
		Opponent Saaiman, K (Kayle)				Opponent Faurie, D (Dawie)
2	2	Tournament Hessequa Proewe 2 2023				Tournament Hessequa Proewe 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Sauls, S (Shalmino)				Opponent Saaiman, K (Kayle)
3	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 1	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Fredericks, J (Jean Pierre)				Opponent Harris, E (Emerique)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Hessequa Proewe 2 2023				Tournament Hessequa Proewe 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Sauls, S (Shalmino)				Opponent Saaiman, K (Kayle)
2	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Hessequa Proewe 2 2023
		date 2020-03-07	rnd 5	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Saaiman, K (Kayle)				Opponent Wewers, A (Adriano)
3	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 1	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Fredericks, J (Jean Pierre)				Opponent Harris, E (Emerique)

#	Games	Start				End
1	2	Tournament Hessequa Proewe 2 2023				Tournament Hessequa Proewe 2 2023
		date 2023-02-11	rnd 4	type Standard	result 1	date 2023-02-11	rnd 5	type Standard	result 1
		Opponent Sauls, S (Shalmino)				Opponent Saaiman, K (Kayle)
2	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Hessequa Proewe 2 2023
		date 2020-03-07	rnd 5	type Standard	result 1	date 2023-02-11	rnd 1	type Standard	result 1
		Opponent Saaiman, K (Kayle)				Opponent Wewers, A (Adriano)
3	2	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 1	type Standard	result 1	date 2020-03-07	rnd 2	type Standard	result 1
		Opponent Fredericks, J (Jean Pierre)				Opponent Harris, E (Emerique)

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	Saaiman ,K (Kayle)	2	2	425	2	2	425	0	0	0	0	0	0
1	Saaiman ,K (Kayle)	2	1116.9	1541.9	2	1099.2	1541.9	0	0	0	0	0	0
2	Claassen ,M (Mervin)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Claassen ,M (Mervin)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Harris ,E (Emerique)	1	1	425	1	1	425	0	0	0	0	0	0
3	Harris ,E (Emerique)	1	1202.7	1627.7	1	1194.4	1627.7	0	0	0	0	0	0
4	Sauls ,S (Shalmino)	1	1	425	1	1	425	0	0	0	0	0	0
4	Sauls ,S (Shalmino)	1	1102.8	1527.8	1	1112.4	1527.8	0	0	0	0	0	0
5	Claassen ,R (Raynier)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Claassen ,R (Raynier)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Jacobs ,G (Giovandre)	1	1	425	1	1	425	0	0	0	0	0	0
6	Jacobs ,G (Giovandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Faurie ,D (Dawie)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Faurie ,D (Dawie)	1	1205	1205	1	1190	1205	0	0	0	0	0	0
8	Gelderbloem ,C (Chadley)	1	1	425	1	1	425	0	0	0	0	0	0
8	Gelderbloem ,C (Chadley)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Wewers ,A (Adriano)	1	1	425	1	1	425	0	0	0	0	0	0
9	Wewers ,A (Adriano)	1	1048	1473	1	1091.6	1473	0	0	0	0	0	0
10	Groenewald ,C (Cameron)	1	1	425	1	1	425	0	0	0	0	0	0
10	Groenewald ,C (Cameron)	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

Tournaments

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Statistics

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PLAYER PAGE

Personal

Vollgraaff, S (Stefan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms