Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, S (Stefan)

Chess SA id

1060099412

FIDE id

Date of birth

2006-06-08 (U20)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-02-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1078.3	1085.6	1138.8	1200
Raw rating	1078.3	1085.6	1138.8	1200
Weighted rating	1078.3	1085.6	1138.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	197.2	195.2	180.9	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1078.3	1085.6	1138.8	1200
Analysis
Rating	1078.3	1085.6	1138.8	1200
Raw rating	1078.3	1085.6	1138.8	1200
Weighted rating	1078.3	1085.6	1138.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	197.2	195.2	180.9	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	1078.3	1085.6	1138.8	1200
New weighted rating	1078.3	1085.6	1138.8	1200
New weighted performance	0	0	0	0
Temp new rating	1078.3	1085.6	1138.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1078.3	1085.6	1138.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	22	15	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	22	9	40.91	-77.3	1010.3	933
Standard	15	6	40	-85	1007.1	922.1
Rapid	7	3	42.86	-60.7	1017.3	956.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1078.3	1085.6	1138.8	1200
2025-09-30	1078.3	1085.6	1138.8	1200
2025-09-01	1078.3	1085.6	1138.8	1200
2025-08-01	1078.3	1085.6	1138.8	1200
2025-07-01	1078.3	1085.6	1138.8	1200
2025-06-01	1078.3	1085.6	1138.8	1200
2025-05-01	1078.3	1085.6	1138.8	1200
2025-04-01	1078.3	1085.6	1138.8	1200
2025-03-01	1078.3	1085.6	1138.8	1200
2025-02-01	1078.3	1085.6	1138.8	1200
2025-01-01	1078.3	1085.6	1138.8	1200
2024-12-01	1078.3	1085.6	1138.8	1200
2024-11-01	1078.3	1085.6	1138.8	1200
2024-10-01	1078.3	1085.6	1138.8	1200
2024-09-01	1078.3	1085.6	1138.8	1200
2024-08-01	1078.3	1085.6	1138.8	1200
2024-07-01	1078.3	1085.6	1138.8	1200
2024-09-01	1078.3	1085.6	1138.8	1200
2024-05-01	1078.3	1085.6	1138.8	1200
2024-04-01	1078.3	1085.6	1138.8	1200
2024-03-01	1078.3	1085.6	1138.8	1200
2024-02-01	1078.3	1085.6	1138.8	1200
2024-01-01	1078.3	1085.6	1138.8	1200
2023-12-01	1078.3	1085.6	1138.8	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	Buffalo City Trials 1 of 5 2019 (U12B+U14B)	2019-02-09	2019-02-09	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
2	East London School League 2018 (Primary School B)	2018-08-18	2018-08-18	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
3	3rd Buffalo Trials 2018 (U12B+U14B)	2018-04-14	2018-04-14	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis
4	2nd Buffalo Trials 2018 (Primary School)	2018-03-17	2018-03-17	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 3rd Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Markus, D (Donne)				Opponent Nhando, T (Tamupiwa)
2	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Naidoo, R (Rahul)				Opponent Naidoo, R (Rahul)
3	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Nkinyeni, L (Lihle)				Opponent Nkinyeni, L (Lihle)

#	Games	Start				End
1	2	Tournament 2nd Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Komans, A (Aggie)				Opponent Nhando, T (Tamupiwa)
2	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Naidoo, R (Rahul)				Opponent Naidoo, R (Rahul)
3	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Nkinyeni, L (Lihle)				Opponent Nkinyeni, L (Lihle)

#	Games	Start				End
1	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 7	type Rapid	result 1
		Opponent Markus, D (Donne)				Opponent Van Tonder, L (Liechen)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 4	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Jayakrishnan, P (Pranav)				Opponent Jayakrishnan, P (Pranav)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 3rd Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Markus, D (Donne)				Opponent Nhando, T (Tamupiwa)
2	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Naidoo, R (Rahul)				Opponent Naidoo, R (Rahul)
3	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Nkinyeni, L (Lihle)				Opponent Nkinyeni, L (Lihle)

#	Games	Start				End
1	2	Tournament 2nd Buffalo Trials 2018				Tournament East London School League 2018
		date 2018-03-17	rnd 5	type Standard	result 1	date 2018-08-18	rnd 1	type Standard	result 1
		Opponent Komans, A (Aggie)				Opponent Nhando, T (Tamupiwa)
2	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-09	rnd 4	type Standard	result 1
		Opponent Naidoo, R (Rahul)				Opponent Naidoo, R (Rahul)
3	1	Tournament Buffalo City Trials 1 of 5 2019				Tournament Buffalo City Trials 1 of 5 2019
		date 2019-02-09	rnd 1	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 1
		Opponent Nkinyeni, L (Lihle)				Opponent Nkinyeni, L (Lihle)

#	Games	Start				End
1	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 7	type Rapid	result 1
		Opponent Markus, D (Donne)				Opponent Van Tonder, L (Liechen)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 4	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Jayakrishnan, P (Pranav)				Opponent Jayakrishnan, P (Pranav)

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	Hyder ,A (Alina)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Hyder ,A (Alina)	1	653.8	228.8	1	653.8	228.8	0	0	0	0	0	0
2	Naidoo ,R (Rahul)	1	1	425	1	1	425	0	0	0	0	0	0
2	Naidoo ,R (Rahul)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Van Wyk ,J (Joley)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Wyk ,J (Joley)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Swanepoel ,N (Nakischa)	1	1	425	1	1	425	0	0	0	0	0	0
4	Swanepoel ,N (Nakischa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Obaray ,J (Jordan)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Obaray ,J (Jordan)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Harington ,N (Nathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Harington ,N (Nathan)	1	1115.4	690.4	1	1099.2	690.4	0	0	0	0	0	0
7	Nhando ,T (Tamupiwa)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nhando ,T (Tamupiwa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Scheepers ,S (Storm)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Scheepers ,S (Storm)	1	840	415	1	840.4	415	0	0	0	0	0	0
9	Lombaard ,A (Adriaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Lombaard ,A (Adriaan)	1	605.1	180.1	1	622	180.1	0	0	0	0	0	0
10	Pretorius ,L (Lelane)	1	1	425	1	1	425	0	0	0	0	0	0
10	Pretorius ,L (Lelane)	1	500	925	1	500	925	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Du Preez, 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