Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, B (Blaize)

Chess SA id

1110098221

FIDE id

Date of birth

2011-03-22 (U16)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-01-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1049.1	1033.5	1200	1200
Raw rating	1049.1	1033.5	1200	1200
Weighted rating	1049.1	1033.5	1200	1200
Weighted performance	256.3	254.6	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	205.6	210.2	165.8	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 2024-02-01	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 2018-02-01	1200 2018-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1049.1	1033.5	1200	1200
Analysis
Rating	1049.1	1033.5	1200	1200
Raw rating	1049.1	1033.5	1200	1200
Weighted rating	1049.1	1033.5	1200
Weighted performance	256.3	254.6	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	205.6	210.2	165.8	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	1049.1	1033.5	1200	1200
New weighted rating	1049.1	1033.5	1200	1200
New weighted performance	255.9	254.3	0	0
Temp new rating	1049.1	1033.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1049.1	1033.5	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	70	70

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
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	70	20	28.57	-182.1	1117.2	935.1
Standard	70	20	28.57	-182.1	1117.2	935.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1049.1	1033.5	1200	1200
2025-09-01	1049.1	1033.5	1200	1200
2025-08-01	1049.1	1033.5	1200	1200
2025-07-01	1049.1	1033.5	1200	1200
2025-06-01	1049.1	1033.5	1200	1200
2025-05-01	1049.1	1033.5	1200	1200
2025-04-01	1049.1	1033.5	1200	1200
2025-03-01	1049.1	1033.5	1200	1200
2025-02-01	1049.1	1033.5	1200	1200
2025-01-01	1049.1	1033.5	1200	1200
2024-12-01	1049.1	1033.5	1200	1200
2024-11-01	1049.1	1033.5	1200	1200
2024-10-01	1049.1	1033.5	1200	1200
2024-09-01	1049.1	1033.5	1200	1200
2024-08-01	1049.1	1033.5	1200	1200
2024-07-01	1049.1	1033.5	1200	1200
2024-06-01	1049.1	1033.5	1200	1200
2024-08-01	1049.1	1033.5	1200	1200
2024-04-01	1049.1	1033.5	1200	1200
2024-03-01	1049.1	1033.5	1200	1200
2024-02-01	1049.1	1033.5	1200	1200
2024-01-01	1049.1	1033.5	1200	1200
2023-12-01	1049.1	1033.5	1200	1200
2023-11-01	1049.1	1033.5	1200	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	2019 South African Junior Team Championships (U10D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	3	Yes	Analysis
2	GJM vs GE Inter Region 2019 (U10C)	2019-10-05	2019-10-05	Standard	Johannesburg Metro (GJM)	5	5	0	Yes	Analysis
3	Bishop Bavin Open 2019 (D)	2019-08-17	2019-08-17	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
4	Boksburg Chess Club Open 2019 (D)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	Ekurhuleni Trials (3)	2019-06-08	2019-06-08	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Ekurhuleni Trials 1 2019 (U10)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
7	South African Junior Team Championships 2018 (U8B+U8 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
8	2018 Interregion Sedibeng vs Ekurhuleni (A)	2018-11-03	2018-11-03	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
9	Inter Region GE vs JHB Metro 2018 (U8)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
10	Ekurhuleni Grand Prix Open 2018 (D)	2018-09-15	2018-09-15	Standard	Ekurhuleni (GE)	5	4	0	Yes	Analysis
11	Boksburg Chess Club Open 2018 (U8)	2018-07-14	2018-07-14	Standard	Ekurhuleni (GE)	5	5	0	Yes	Analysis
12	Ekurhuleni Trials 2 2018 (U8)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
13	Human Rights Day Open 2018 (D)	2018-03-21	2018-03-21	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
14	Ekurhuleni Trials 1 2018 (U8)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Olivier, R (Riley)				Opponent Fernandes, A (Alrichko)
2	3	Tournament Bishop Bavin Open 2019				Tournament Bishop Bavin Open 2019
		date 2019-08-17	rnd 2	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 0.5
		Opponent Georgiou, I (Ioannis)				Opponent Govender, K (Kaylin)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Moolman, EL (Elrie Lize)				Opponent Chetty, D (Diya)

#	Games	Start				End
1	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Olivier, R (Riley)				Opponent Fernandes, A (Alrichko)
2	3	Tournament Bishop Bavin Open 2019				Tournament Bishop Bavin Open 2019
		date 2019-08-17	rnd 2	type Standard	result 1	date 2019-08-17	rnd 4	type Standard	result 0.5
		Opponent Georgiou, I (Ioannis)				Opponent Govender, K (Kaylin)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Moolman, EL (Elrie Lize)				Opponent Chetty, D (Diya)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Olivier, R (Riley)				Opponent Fernandes, A (Alrichko)
2	2	Tournament Bishop Bavin Open 2019				Tournament Bishop Bavin Open 2019
		date 2019-08-17	rnd 2	type Standard	result 1	date 2019-08-17	rnd 3	type Standard	result 1
		Opponent Georgiou, I (Ioannis)				Opponent Matolong, R (Rorisang)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Moolman, EL (Elrie Lize)				Opponent Chetty, D (Diya)

#	Games	Start				End
1	3	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 4	type Standard	result 1
		Opponent Olivier, R (Riley)				Opponent Fernandes, A (Alrichko)
2	2	Tournament Bishop Bavin Open 2019				Tournament Bishop Bavin Open 2019
		date 2019-08-17	rnd 2	type Standard	result 1	date 2019-08-17	rnd 3	type Standard	result 1
		Opponent Georgiou, I (Ioannis)				Opponent Matolong, R (Rorisang)
3	2	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 4	type Standard	result 1	date 2018-12-18	rnd 5	type Standard	result 1
		Opponent Moolman, EL (Elrie Lize)				Opponent Chetty, D (Diya)

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	Da Conceicao ,J (Juliana)	3	0	-425	3	0	-425	0	0	0	0	0	0
1	Da Conceicao ,J (Juliana)	3	1071.7	646.7	3	1063.6	646.7	0	0	0	0	0	0
2	Pillay ,Z (Zac)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Pillay ,Z (Zac)	3	1149.1	724.1	3	1137.8	724.1	0	0	0	0	0	0
3	Liebenberg ,M (Michael)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Liebenberg ,M (Michael)	2	1158.1	733.1	2	1155.7	733.1	0	0	0	0	0	0
4	Venter ,Z (Zanell)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Venter ,Z (Zanell)	2	840	415	2	843.3	415	0	0	0	0	0	0
5	Govender ,P (Pranau)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Govender ,P (Pranau)	2	967.2	542.2	2	964.6	542.2	0	0	0	0	0	0
6	Els ,I (Ineldi)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Els ,I (Ineldi)	2	893.3	1105.8	2	838	1105.8	0	0	0	0	0	0
7	Bilankulu ,L (Lindokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Bilankulu ,L (Lindokuhle)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Gape ,T (Tshireletso)	1	1	425	1	1	425	0	0	0	0	0	0
8	Gape ,T (Tshireletso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Chinoruma ,K (Kupa)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Chinoruma ,K (Kupa)	1	1303.7	878.7	1	1299.8	878.7	0	0	0	0	0	0
10	Govender ,K (Kaylin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Govender ,K (Kaylin)	1	1211.4	1211.4	1	1210.8	1211.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Du Preez, B (Blaize)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms