Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, J (Juan)

Chess SA id

1100096323

FIDE id

Date of birth

2010-03-01 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-28

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1067.2	1022.8	1195.2	1200
Raw rating	1067.2	1022.8	1195.2	1200
Weighted rating	1067.2	1022.8	1195.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	200.4	213.4	167	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1067.2	1022.8	1195.2	1200
Analysis
Rating	1067.2	1022.8	1195.2	1200
Raw rating	1067.2	1022.8	1195.2	1200
Weighted rating	1067.2	1022.8	1195.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	200.4	213.4	167	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	1067.2	1022.8	1195.2	1200
New weighted rating	1067.2	1022.8	1195.2	1200
New weighted performance	0	0	0	0
Temp new rating	1067.2	1022.8	1195.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1067.2	1022.8	1195.2	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
	6	0	6
	0	0	0
History	21	15	6

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	21	10.5	50	0	908.3	908.3
Standard	15	7.5	50	0	811.9	811.9
Rapid	6	3	50	0	1149.4	1149.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1067.2	1022.8	1195.2	1200
2025-09-01	1067.2	1022.8	1195.2	1200
2025-08-01	1067.2	1022.8	1195.2	1200
2025-07-01	1067.2	1022.8	1195.2	1200
2025-06-01	1067.2	1022.8	1195.2	1200
2025-05-01	1067.2	1022.8	1195.2	1200
2025-04-01	1067.2	1022.8	1195.2	1200
2025-03-01	1067.2	1022.8	1195.2	1200
2025-02-01	1067.2	1022.8	1195.2	1200
2025-01-01	1067.2	1022.8	1195.2	1200
2024-12-01	1067.2	1022.8	1195.2	1200
2024-11-01	1067.2	1022.8	1195.2	1200
2024-10-01	1067.2	1022.8	1195.2	1200
2024-09-01	1067.2	1022.8	1195.2	1200
2024-08-01	1067.2	1022.8	1195.2	1200
2024-07-01	1067.2	1022.8	1195.2	1200
2024-06-01	1067.2	1022.8	1195.2	1200
2024-08-01	1067.2	1022.8	1195.2	1200
2024-04-01	1067.2	1022.8	1195.2	1200
2024-03-01	1067.2	1022.8	1195.2	1200
2024-02-01	1067.2	1022.8	1195.2	1200
2024-01-01	1067.2	1022.8	1195.2	1200
2023-12-01	1067.2	1022.8	1195.2	1200
2023-11-01	1067.2	1022.8	1195.2	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	RMS Swiss For Rating of Players 2022 (U13)	2022-05-28	2022-05-28	Rapid	Ekurhuleni (GE)	7	6	3	Yes	Analysis
2	Laerskool Olienpark 2018 (U10)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	Hoerskool Brits 2018 (U10)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
4	Laerskool Vastrap 2018 (U10)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Du Preez, SB (Stefanus Benjam)				Opponent Fourie, D (Drikus)
2	3	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 2	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Jacobs, R (Rico)				Opponent Seltzer, D (Daniel)
3	2	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Janse Van Vuuren, L (Lourein)				Opponent Du Preez, M (Morne)

#	Games	Start				End
1	4	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Du Preez, SB (Stefanus Benjam)				Opponent Fourie, D (Drikus)
2	2	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Janse Van Vuuren, L (Lourein)				Opponent Du Preez, M (Morne)
3	1	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Maritz, I (Imke)				Opponent Maritz, I (Imke)

#	Games	Start				End
1	3	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 2	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Jacobs, R (Rico)				Opponent Seltzer, D (Daniel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Du Preez, SB (Stefanus Benjam)				Opponent Fourie, D (Drikus)
2	3	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 2	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Jacobs, R (Rico)				Opponent Seltzer, D (Daniel)
3	2	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Janse Van Vuuren, L (Lourein)				Opponent Du Preez, M (Morne)

#	Games	Start				End
1	4	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Du Preez, SB (Stefanus Benjam)				Opponent Fourie, D (Drikus)
2	2	Tournament Laerskool Vastrap 2018				Tournament Laerskool Vastrap 2018
		date 2018-02-03	rnd 4	type Standard	result 1	date 2018-02-03	rnd 5	type Standard	result 1
		Opponent Janse Van Vuuren, L (Lourein)				Opponent Du Preez, M (Morne)
3	1	Tournament Laerskool Olienpark 2018				Tournament Laerskool Olienpark 2018
		date 2018-04-21	rnd 5	type Standard	result 1	date 2018-04-21	rnd 5	type Standard	result 1
		Opponent Maritz, I (Imke)				Opponent Maritz, I (Imke)

#	Games	Start				End
1	3	Tournament RMS Swiss For Rating of Players 2022				Tournament RMS Swiss For Rating of Players 2022
		date 2022-05-28	rnd 2	type Rapid	result 1	date 2022-05-28	rnd 4	type Rapid	result 1
		Opponent Jacobs, R (Rico)				Opponent Seltzer, D (Daniel)

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	Fourie ,D (Drikus)	2	1	0	2	1	0	0	0	0	0	0	0
1	Fourie ,D (Drikus)	2	1098.4	1098.4	2	1077.4	1098.4	0	0	0	0	0	0
2	Du Preez ,SB (Stefanus Benjam)	2	2	425	2	2	425	0	0	0	0	0	0
2	Du Preez ,SB (Stefanus Benjam)	2	1149.6	1574.6	2	1139	1574.6	0	0	0	0	0	0
3	De Beer ,M (Marione)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Beer ,M (Marione)	1	520.6	95.6	1	524.8	95.6	0	0	0	0	0	0
4	Maritz ,I (Imke)	1	1	425	1	1	425	0	0	0	0	0	0
4	Maritz ,I (Imke)	1	525.6	950.6	1	531.6	950.6	0	0	0	0	0	0
5	Du Preez ,M (Morne)	1	1	425	1	1	425	0	0	0	0	0	0
5	Du Preez ,M (Morne)	1	504.4	929.4	1	504.4	929.4	0	0	0	0	0	0
6	Combrink ,ZA (Zenadine)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Combrink ,ZA (Zenadine)	1	551.8	126.8	1	562.4	126.8	0	0	0	0	0	0
7	Marx ,HB (Heinrich Butow)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Marx ,HB (Heinrich Butow)	1	661	236	1	661	236	0	0	0	0	0	0
8	Sekhute ,K (Khumo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Sekhute ,K (Khumo)	1	597	597	1	597	597	0	0	0	0	0	0
9	Smit ,A (Anika)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Smit ,A (Anika)	1	726.1	301.1	1	726.2	301.1	0	0	0	0	0	0
10	Van Staden ,J (Jakobus)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Staden ,J (Jakobus)	1	655.4	230.4	1	682.8	230.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Du Preez, J (Juan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms