Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booysen, DF (Don-Fredo)

Chess SA id

188002608

FIDE id

Date of birth

1988-09-10 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1397.9	1398.7	1430	1430
Raw rating	1397.9	1398.7	1430	1430
Weighted rating	1397.9	1398.7	1430	1430
Weighted performance	0	0	0	0
Floor	948.5	951.5	930	930
K-factor	32	32	32	32
Min/Max rating change allowed	125.1	124.9	119.5	119.5
Highest rating	1492.8 2019-08-01	1484 2019-08-01	1430 2018-07-01	1430 2018-07-01
Highest raw rating	1448.5 2019-09-01	1451.5 2019-09-01	1430 2024-02-01	1430 2024-02-01
Highest weighted rating	1448.5 2018-07-01	1451.5 2018-07-01	1430 2018-07-01	1430 2018-07-01
Highest weighted performance	1492.8 2019-08-01	1484 2019-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1397.9	1398.7	1430	1430
Analysis
Rating	1397.9	1398.7	1430	1430
Raw rating	1397.9	1398.7	1430	1430
Weighted rating	1397.9	1398.7	1430
Weighted performance	0	0	0
K-factor	32	32	32	32
Floor	948.5	951.5	930	930
Max/Min rating change allowed	125.1	124.9	119.5	119.5
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	1397.9	1398.7	1430	1430
New weighted rating	1397.9	1398.7	1430	1430
New weighted performance	0	0	0	0
Temp new rating	1397.9	1398.7	1430	1430
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1397.9	1398.7	1430	1430
New K-factor	32	32	32	32
New floor	948.5	951.5	930	930

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	58	58

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	20	10	50	0	1401.6	1401.6
Standard	20	10	50	0	1401.6	1401.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1397.9	1398.7	1430	1430
2025-09-01	1397.9	1398.7	1430	1430
2025-08-01	1397.9	1398.7	1430	1430
2025-07-01	1397.9	1398.7	1430	1430
2025-06-01	1397.9	1398.7	1430	1430
2025-05-01	1397.9	1398.7	1430	1430
2025-04-01	1397.9	1398.7	1430	1430
2025-03-01	1397.9	1398.7	1430	1430
2025-02-01	1397.9	1398.7	1430	1430
2025-01-01	1397.9	1398.7	1430	1430
2024-12-01	1397.9	1398.7	1430	1430
2024-11-01	1397.9	1398.7	1430	1430
2024-10-01	1397.9	1398.7	1430	1430
2024-09-01	1397.9	1398.7	1430	1430
2024-08-01	1397.9	1398.7	1430	1430
2024-07-01	1397.9	1398.7	1430	1430
2024-06-01	1397.9	1398.7	1430	1430
2024-08-01	1397.9	1398.7	1430	1430
2024-04-01	1397.9	1398.7	1430	1430
2024-03-01	1397.9	1398.7	1430	1430
2024-02-01	1397.9	1398.7	1430	1430
2024-01-01	1397.9	1398.7	1430	1430
2023-12-01	1397.9	1398.7	1430	1430
2023-11-01	1397.9	1398.7	1430	1430

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	2019 Western Province League (B)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	8	3.5	Yes	Analysis
2	2019 Western Province League (E)	2019-07-27	2019-08-10	Standard	Cape Town (WCT)	9	2	1.5	Yes	Analysis
3	Blackjacks Club Champs 2019	2019-07-04	2019-07-07	Standard	Cape Town (WCT)	7	4	3	Yes	Analysis
4	2019 Elsies River Open (Prestige)	2019-06-22	2019-06-23	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
5	2018 Western Province League (D)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	1	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament Blackjacks Club Champs 2019				Tournament 2019 Western Province League
		date 2019-07-06	rnd 3	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Nel, RA (Rowan)				Opponent Mthi, Y (Yamkela)
2	3	Tournament 2019 Elsies River Open				Tournament Blackjacks Club Champs 2019
		date 2019-06-23	rnd 5	type Standard	result 0.5	date 2019-07-04	rnd 1	type Standard	result 1
		Opponent Parenzee, E (Ethan)				Opponent Laloo, AA (Adrian)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-24	rnd 9	type Standard	result 1	date 2019-08-24	rnd 10	type Standard	result 1
		Opponent Cassells, L (Llewellyn)				Opponent Maytham, P (Phillip)

#	Games	Start				End
1	4	Tournament Blackjacks Club Champs 2019				Tournament 2019 Western Province League
		date 2019-07-06	rnd 3	type Standard	result 1	date 2019-07-27	rnd 2	type Standard	result 1
		Opponent Nel, RA (Rowan)				Opponent Mthi, Y (Yamkela)
2	3	Tournament 2019 Elsies River Open				Tournament Blackjacks Club Champs 2019
		date 2019-06-23	rnd 5	type Standard	result 0.5	date 2019-07-04	rnd 1	type Standard	result 1
		Opponent Parenzee, E (Ethan)				Opponent Laloo, AA (Adrian)
3	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-24	rnd 9	type Standard	result 1	date 2019-08-24	rnd 10	type Standard	result 1
		Opponent Cassells, L (Llewellyn)				Opponent Maytham, P (Phillip)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-24	rnd 9	type Standard	result 1	date 2019-08-24	rnd 10	type Standard	result 1
		Opponent Cassells, L (Llewellyn)				Opponent Maytham, P (Phillip)
2	2	Tournament Blackjacks Club Champs 2019				Tournament Blackjacks Club Champs 2019
		date 2019-07-06	rnd 3	type Standard	result 1	date 2019-07-06	rnd 4	type Standard	result 1
		Opponent Nel, RA (Rowan)				Opponent Jacobs, PJ (Peter-John)
3	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Lintnaar, C (Conray)				Opponent Lintnaar, C (Conray)

#	Games	Start				End
1	2	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-24	rnd 9	type Standard	result 1	date 2019-08-24	rnd 10	type Standard	result 1
		Opponent Cassells, L (Llewellyn)				Opponent Maytham, P (Phillip)
2	2	Tournament Blackjacks Club Champs 2019				Tournament Blackjacks Club Champs 2019
		date 2019-07-06	rnd 3	type Standard	result 1	date 2019-07-06	rnd 4	type Standard	result 1
		Opponent Nel, RA (Rowan)				Opponent Jacobs, PJ (Peter-John)
3	1	Tournament 2019 Western Province League				Tournament 2019 Western Province League
		date 2019-08-03	rnd 4	type Standard	result 1	date 2019-08-03	rnd 4	type Standard	result 1
		Opponent Lintnaar, C (Conray)				Opponent Lintnaar, C (Conray)

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	Meiring ,V (Victor)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Meiring ,V (Victor)	1	1594.1	1594.1	1	1601.2	1594.1	0	0	0	0	0	0
2	Maytham ,P (Phillip)	1	1	425	1	1	425	0	0	0	0	0	0
2	Maytham ,P (Phillip)	1	1271.3	1696.3	1	1266.4	1696.3	0	0	0	0	0	0
3	Lott ,N (Nicole)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Lott ,N (Nicole)	1	1227.2	1227.2	1	1225.2	1227.2	0	0	0	0	0	0
4	Nel ,RA (Rowan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nel ,RA (Rowan)	1	1232.9	1657.9	1	1197.2	1657.9	0	0	0	0	0	0
5	Brown ,SC (Shaun Christo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Brown ,SC (Shaun Christo)	1	1718.3	1293.3	1	1713.2	1293.3	0	0	0	0	0	0
6	Adriaanse ,GJ (Gerswin Jacques)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Adriaanse ,GJ (Gerswin Jacques)	1	1361.5	936.5	1	1369.5	936.5	0	0	0	0	0	0
7	Thompson ,T (Themba)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Thompson ,T (Themba)	1	1401.5	976.5	1	1403.9	976.5	0	0	0	0	0	0
8	Laloo ,AA (Adrian Alphonso)	1	1	425	1	1	425	0	0	0	0	0	0
8	Laloo ,AA (Adrian Alphonso)	1	1268.4	1693.4	1	1264.9	1693.4	0	0	0	0	0	0
9	Steenkamp ,E (Eugene)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Steenkamp ,E (Eugene)	1	1419.8	994.8	1	1347.2	994.8	0	0	0	0	0	0
10	Parenzee ,E (Ethan)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Parenzee ,E (Ethan)	1	1421.7	1421.7	1	1416.9	1421.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Booysen, DF (Don-Fredo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms