Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, S (Stefan)

Chess SA id

188002655

FIDE id

Date of birth

1988-09-04 (Adult)

Gender

Male

Region

Frances Baard (NCF)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-05-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1846	1837.5	1944.4	1995
Raw rating	1846	1837.5	1944.4	1995
Weighted rating	1846	1837.5	1944.4	1994.5
Weighted performance	0	0	0	0
Floor	1444.4	1444.4	1444.4	1495
K-factor	24	24	24	24
Min/Max rating change allowed	66.1	66.9	57.4	53.4
Highest rating	1944.4 2018-02-01	1944.4 2018-02-01	1944.4 2018-08-01	1995 2024-02-01
Highest raw rating	1944.4 2018-02-01	1944.4 2018-02-01	1944.4 2024-02-01	1995 2024-02-01
Highest weighted rating	1944.4 2018-02-01	1944.4 2018-02-01	1944.4 2018-08-01	1993.3 2025-08-01
Highest weighted performance	1361.8 2018-05-01	1360 2018-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1846	1837.5	1944.4	1995
Analysis
Rating	1846	1837.5	1944.4	1995
Raw rating	1846	1837.5	1944.4	1995
Weighted rating	1846	1837.5	1944.4
Weighted performance	0	0	0
K-factor	24	24	24	24
Floor	1444.4	1444.4	1444.4	1495
Max/Min rating change allowed	66.1	66.9	57.4	53.4
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	1846	1837.5	1944.4	1995
New weighted rating	1846	1837.5	1944.4	1994.8
New weighted performance	0	0	0	0
Temp new rating	1846	1837.5	1944.4	1995
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1846	1837.5	1944.4	1995
New K-factor	24	24	24	24
New floor	1444.4	1444.4	1444.4	1495

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	54	40	14

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Frances Baard (NCF)
Province	Northern Cape (NC)
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	9	2.5	27.78	-188.9	1558.9	1370
Standard	9	2.5	27.78	-188.9	1558.9	1370
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1846	1837.5	1944.4	1995
2025-09-01	1846	1837.5	1944.4	1995
2025-08-01	1846	1837.5	1944.4	1995
2025-07-01	1846	1837.5	1944.4	1995
2025-06-01	1846	1837.5	1944.4	1995
2025-05-01	1846	1837.5	1944.4	1995
2025-04-01	1846	1837.5	1944.4	1995
2025-03-01	1846	1837.5	1944.4	1995
2025-02-01	1846	1837.5	1944.4	1995
2025-01-01	1846	1837.5	1944.4	1995
2024-12-01	1846	1837.5	1944.4	1995
2024-11-01	1846	1837.5	1944.4	1995
2024-10-01	1846	1837.5	1944.4	1995
2024-09-01	1846	1837.5	1944.4	1995
2024-08-01	1846	1837.5	1944.4	1995
2024-07-01	1846	1837.5	1944.4	1995
2024-06-01	1846	1837.5	1944.4	1995
2024-08-01	1846	1837.5	1944.4	1995
2024-04-01	1846	1837.5	1944.4	1995
2024-03-01	1846	1837.5	1944.4	1995
2024-02-01	1846	1837.5	1944.4	1995
2024-01-01	1846	1837.5	1944.4	1995
2023-12-01	1846	1837.5	1944.4	1944.4
2023-11-01	1846	1837.5	1944.4	1944.4

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	Dalpark Open 2018 (A)	2018-05-04	2018-05-05	Standard	Ekurhuleni (GE)	6	6	1.5	Yes	Analysis
2	Brakpan Open 2018 (A)	2018-02-24	2018-02-24	Standard	Ekurhuleni (GE)	5	3	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Brakpan Open 2018				Tournament Dalpark Open 2018
		date 2018-02-24	rnd 3	type Standard	result 0.5	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Du Plessis, JAK (Jan)				Opponent Smit, D (Devon)
2	1	Tournament Dalpark Open 2018				Tournament Dalpark Open 2018
		date 2018-05-05	rnd 5	type Standard	result 0.5	date 2018-05-05	rnd 5	type Standard	result 0.5
		Opponent Govender, Y (Yaduvir)				Opponent Govender, Y (Yaduvir)
3	1	Tournament Brakpan Open 2018				Tournament Brakpan Open 2018
		date 2018-02-24	rnd 1	type Standard	result 0.5	date 2018-02-24	rnd 1	type Standard	result 0.5
		Opponent Vorster, T (Tyrone)				Opponent Vorster, T (Tyrone)

#	Games	Start				End
1	2	Tournament Brakpan Open 2018				Tournament Dalpark Open 2018
		date 2018-02-24	rnd 3	type Standard	result 0.5	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Du Plessis, JAK (Jan)				Opponent Smit, D (Devon)
2	1	Tournament Dalpark Open 2018				Tournament Dalpark Open 2018
		date 2018-05-05	rnd 5	type Standard	result 0.5	date 2018-05-05	rnd 5	type Standard	result 0.5
		Opponent Govender, Y (Yaduvir)				Opponent Govender, Y (Yaduvir)
3	1	Tournament Brakpan Open 2018				Tournament Brakpan Open 2018
		date 2018-02-24	rnd 1	type Standard	result 0.5	date 2018-02-24	rnd 1	type Standard	result 0.5
		Opponent Vorster, T (Tyrone)				Opponent Vorster, T (Tyrone)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Dalpark Open 2018				Tournament Dalpark Open 2018
		date 2018-05-04	rnd 1	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Smit, D (Devon)				Opponent Smit, D (Devon)

#	Games	Start				End
1	1	Tournament Dalpark Open 2018				Tournament Dalpark Open 2018
		date 2018-05-04	rnd 1	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Smit, D (Devon)				Opponent Smit, D (Devon)

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	Vorster ,SPM (Stephanus)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Vorster ,SPM (Stephanus)	1	1731.1	1306.1	1	1720.3	1306.1	0	0	0	0	0	0
2	Du Plessis ,JAK (Jan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
2	Du Plessis ,JAK (Jan)	1	1447	1447	1	1450.1	1447	0	0	0	0	0	0
3	De Villiers ,OA (Ockert Almaro)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Villiers ,OA (Ockert Almaro)	1	1562.8	1137.8	1	1562.7	1137.8	0	0	0	0	0	0
4	Govender ,Y (Yaduvir)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Govender ,Y (Yaduvir)	1	1562.2	1562.2	1	1559.5	1562.2	0	0	0	0	0	0
5	Cindi ,M (Mbalenhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Cindi ,M (Mbalenhle)	1	1569	1144	1	1569	1144	0	0	0	0	0	0
6	Vorster ,T (Tyrone)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Vorster ,T (Tyrone)	1	1166.2	1166.2	1	1166.2	1166.2	0	0	0	0	0	0
7	Smit ,D (Devon)	1	1	425	1	1	425	0	0	0	0	0	0
7	Smit ,D (Devon)	1	1414.9	1839.9	1	1408.8	1839.9	0	0	0	0	0	0
8	Goosen ,A (Anton)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Goosen ,A (Anton)	1	2007.5	1582.5	1	2007.5	1582.5	0	0	0	0	0	0
9	Tenji ,S (Sasa)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Tenji ,S (Sasa)	1	1568.8	1143.8	1	1568.8	1143.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Booysen, 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