Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, J (Jacques)

Chess SA id

1100112222

FIDE id

Date of birth

2010-02-19 (U16)

Gender

Male

Region

Gert Sibande (MGS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1232.9	1097.2	1296.6	1200
Raw rating	1232.9	1097.2	1296.6	1200
Weighted rating	1232.9	1097.2	1295.9	1200
Weighted performance	752.7	0	801.4	0
Floor	737.2	700	833	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.2	192	144.5	165.8
Highest rating	1340.9 2019-08-01	1200 2018-10-01	1543.4 2019-08-01	1200 2018-10-01
Highest raw rating	1237.2 2023-08-01	1200 2018-02-01	1333 2020-01-01	1200 2024-02-01
Highest weighted rating	1237.2 2025-06-01	1200 2018-10-01	1333 2021-08-01	1200 2018-10-01
Highest weighted performance	1340.9 2019-08-01	1200 2018-02-01	1543.4 2019-08-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1232.9	1097.2	1296.6	1200
Analysis
Rating	1232.9	1097.2	1296.6	1200
Raw rating	1232.9	1097.2	1296.6	1200
Weighted rating	1232.9	1097.2	1295.9
Weighted performance	752.7	0	801.4
K-factor	36	36	36	36
Floor	737.2	700	833	700
Max/Min rating change allowed	158.2	192	144.5	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	1232.9	1097.2	1296.6	1200
New weighted rating	1232.9	1097.2	1296	1200
New weighted performance	752.2	0	800.9	0
Temp new rating	1232.9	1097.2	1296.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1232.9	1097.2	1296.6	1200
New K-factor	36	36	36	36
New floor	737.2	700	833	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	14	0	14
	0	0	0
	0	0	0
History	29	5	24

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Gert Sibande (MGS)
Province	Mpumalanga (MP)
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	29	17.5	60.34	87.9	1175.7	1263.7
Standard	5	1	20	-255	1016.4	761.4
Rapid	24	16.5	68.75	159.4	1208.9	1368.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1232.9	1097.2	1296.6	1200
2025-09-01	1232.9	1097.2	1296.6	1200
2025-08-01	1232.9	1097.2	1296.6	1200
2025-07-01	1232.9	1097.2	1296.6	1200
2025-06-01	1232.9	1097.2	1296.6	1200
2025-05-01	1232.9	1097.2	1296.6	1200
2025-04-01	1232.9	1097.2	1296.6	1200
2025-03-01	1232.9	1097.2	1296.6	1200
2025-02-01	1232.9	1097.2	1296.6	1200
2025-01-01	1232.9	1097.2	1294.9	1200
2024-12-01	1232.9	1097.2	1294.9	1200
2024-11-01	1232.9	1097.2	1294.9	1200
2024-10-01	1232.9	1097.2	1294.9	1200
2024-09-01	1232.9	1097.2	1294.9	1200
2024-08-01	1232.9	1097.2	1294.9	1200
2024-07-01	1232.9	1097.2	1294.9	1200
2024-06-01	1232.9	1097.2	1294.9	1200
2024-08-01	1232.9	1097.2	1294.9	1200
2024-04-01	1232.9	1097.2	1294.9	1200
2024-03-01	1232.9	1097.2	1294.9	1200
2024-02-01	1232.9	1097.2	1294.9	1200
2024-01-01	1232.9	1097.2	1294.9	1200
2023-12-01	1232.9	1097.2	1294.9	1200
2023-11-01	1232.9	1097.2	1294.9	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	Highveld Ridge West 2023 (U13)	2023-08-09	2023-08-09	Rapid	Gert Sibande (MGS)	5	4	3	Yes	Analysis
2	Govin Mbeki Teams Chess Tournament 2023 (U13 Open)	2023-08-18	2023-08-18	Rapid	Gert Sibande (MGS)	5	5	1.5	Yes	Analysis
3	Ho�veldgroep 2023 (O13)	2023-07-28	2023-07-28	Rapid	Gert Sibande (MGS)	5	5	3	Yes	Analysis
4	Gert Sibande Laerskole Finaal 2019 (O9)	2019-08-02	2019-08-02	Rapid	Gert Sibande (MGS)	5	5	5	Yes	Analysis
5	2019 Super 12 Laerskole (Juniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
6	Sparticus 3 2019 (C)	2019-04-27	2019-04-27	Standard	Gert Sibande (MGS)	5	5	1	Yes	Analysis

#	Games	Start				End
1	6	Tournament Gert Sibande Laerskole Finaal 2019				Tournament Ho�veldgroep 2023
		date 2019-08-02	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 1	type Rapid	result 1
		Opponent Olifant, K (Kwanele)				Opponent Nkosi, T (Thando)
2	4	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Stols, N (Nathan)				Opponent Engelbrecht, L (Lucill)
3	3	Tournament Highveld Ridge West 2023				Tournament Highveld Ridge West 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-09	rnd 4	type Rapid	result 1
		Opponent Jiyane, N (Ndumiso)				Opponent Skosana, N (Nhlanhla)

#	Games	Start				End
1	1	Tournament Sparticus 3 2019				Tournament Sparticus 3 2019
		date 2019-04-27	rnd 3	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Mons, C (Christo)				Opponent Mons, C (Christo)

#	Games	Start				End
1	6	Tournament Gert Sibande Laerskole Finaal 2019				Tournament Ho�veldgroep 2023
		date 2019-08-02	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 1	type Rapid	result 1
		Opponent Olifant, K (Kwanele)				Opponent Nkosi, T (Thando)
2	4	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Stols, N (Nathan)				Opponent Engelbrecht, L (Lucill)
3	3	Tournament Highveld Ridge West 2023				Tournament Highveld Ridge West 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-09	rnd 4	type Rapid	result 1
		Opponent Jiyane, N (Ndumiso)				Opponent Skosana, N (Nhlanhla)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Gert Sibande Laerskole Finaal 2019				Tournament Ho�veldgroep 2023
		date 2019-08-02	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 1	type Rapid	result 1
		Opponent Olifant, K (Kwanele)				Opponent Nkosi, T (Thando)
2	4	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Stols, N (Nathan)				Opponent Engelbrecht, L (Lucill)
3	3	Tournament Highveld Ridge West 2023				Tournament Highveld Ridge West 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-09	rnd 4	type Rapid	result 1
		Opponent Jiyane, N (Ndumiso)				Opponent Skosana, N (Nhlanhla)

#	Games	Start				End
1	1	Tournament Sparticus 3 2019				Tournament Sparticus 3 2019
		date 2019-04-27	rnd 3	type Standard	result 1	date 2019-04-27	rnd 3	type Standard	result 1
		Opponent Mons, C (Christo)				Opponent Mons, C (Christo)

#	Games	Start				End
1	6	Tournament Gert Sibande Laerskole Finaal 2019				Tournament Ho�veldgroep 2023
		date 2019-08-02	rnd 1	type Rapid	result 1	date 2023-07-28	rnd 1	type Rapid	result 1
		Opponent Olifant, K (Kwanele)				Opponent Nkosi, T (Thando)
2	4	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 4	type Rapid	result 1
		Opponent Stols, N (Nathan)				Opponent Engelbrecht, L (Lucill)
3	3	Tournament Highveld Ridge West 2023				Tournament Highveld Ridge West 2023
		date 2023-08-09	rnd 2	type Rapid	result 1	date 2023-08-09	rnd 4	type Rapid	result 1
		Opponent Jiyane, N (Ndumiso)				Opponent Skosana, N (Nhlanhla)

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	Rikhotso ,S (Sungulo)	3	0.5	-283.3	0	0	0	3	0.5	-283.3	0	0	0
1	Rikhotso ,S (Sungulo)	3	1276.5	993.2	0	0	0	3	1329.1	993.2	0	0	0
2	Van Heerden ,W (Willem)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Van Heerden ,W (Willem)	1	743.9	318.9	1	741.7	318.9	0	0	0	0	0	0
3	Van Heerden ,D (Dezane)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Heerden ,D (Dezane)	1	907.7	482.7	1	880.4	482.7	0	0	0	0	0	0
4	Windell ,K (Kevin)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Windell ,K (Kevin)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Nkosi ,T (Thando)	1	1	425	0	0	0	1	1	425	0	0	0
5	Nkosi ,T (Thando)	1	1213.7	1638.7	0	0	0	1	1225.2	1638.7	0	0	0
6	Olifant ,K (Kwanele)	1	1	425	0	0	0	1	1	425	0	0	0
6	Olifant ,K (Kwanele)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Erasmus ,C (Carli)	1	1	425	0	0	0	1	1	425	0	0	0
7	Erasmus ,C (Carli)	1	1097.5	1522.5	0	0	0	1	896	1522.5	0	0	0
8	Stoter ,A (Anthony)	1	1	425	0	0	0	1	1	425	0	0	0
8	Stoter ,A (Anthony)	1	1177	1602	0	0	0	1	1161.6	1602	0	0	0
9	Mahlangu ,L (Lwazi)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Mahlangu ,L (Lwazi)	1	1164.7	739.7	0	0	0	1	1142.8	739.7	0	0	0
10	Potgieter ,E (Erich)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Potgieter ,E (Erich)	1	1200	775	0	0	0	1	1200	775	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, J (Jacques)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms