Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Preez, B (Bg)

Chess SA id

1150144077

FIDE id

Date of birth

2015-01-19 (U12)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

18.3

Junior GPX Points

1244.1

Item	Main	Standard	Rapid	Blitz
Rating	1272	1220.6	1276.1	1200
Raw rating	1272	1220.6	1276.1	1200
Weighted rating	1228.7	1213.1	1222.8	1200
Weighted performance	1229.3	0	0	0
Floor	772	720.6	776.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	149.6	161	148.8	165.8
Highest rating	1272 2025-08-01	1220.6 2025-04-01	1276.1 2025-08-01	1200 2018-10-01
Highest raw rating	1272 2025-08-01	1220.6 2025-04-01	1276.1 2025-08-01	1200 2024-02-01
Highest weighted rating	1214.1 2025-08-01	1209.8 2025-08-01	1206.1 2025-08-01	1200 2018-10-01
Highest weighted performance	1271 2025-08-01	1209 2022-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1272	1220.6	1276.1	1200
Analysis
Rating	1272	1220.6	1276.1	1200
Raw rating	1272	1220.6	1276.1	1200
Weighted rating	1228.7	1213.1	1222.8
Weighted performance	1229.3	0	0
K-factor	36	36	36	36
Floor	772	720.6	776.1	700
Max/Min rating change allowed	149.6	161	148.8	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	1272	1220.6	1276.1	1200
New weighted rating	1233.1	1214	1227.9	1200
New weighted performance	1221.6	0	0	0
Temp new rating	1272	1220.6	1276.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1272	1220.6	1276.1	1200
New K-factor	36	36	36	36
New floor	772	720.6	776.1	700

Item	Main	Standard	Rapid
	0	0	0
	20	15	5
	5	5	0
	0	0	0
	4	4	0
	0	0	0
History	29	24	5

Games since
	Main 25	Standard 20		Rapid 5		Blitz 0
Gender	Male
Age group	U12
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	20	11.5	57.5	63.8	1256.9	1320.7
Standard	15	7	46.67	-28.3	1269.5	1241.2
Rapid	5	4.5	90	340	1219.1	1559.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	29	16.5	56.9	58.6	1230	1288.6
Standard	24	12	50	0	1232.2	1232.2
Rapid	5	4.5	90	340	1219.1	1559.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1272	1220.6	1276.1	1200
2025-09-30	1272	1220.6	1276.1	1200
2025-09-01	1272	1220.6	1276.1	1200
2025-08-01	1272	1220.6	1276.1	1200
2025-07-01	1220.7	1220.6	1200	1200
2025-06-01	1220.7	1220.6	1200	1200
2025-05-01	1220.7	1220.6	1200	1200
2025-04-01	1220.7	1220.6	1200	1200
2025-03-01	1213	1211.6	1200	1200
2025-02-01	1204.6	1202.3	1200	1200
2025-01-01	1204.5	1204.7	1200	1200
2024-12-01	1204.5	1204.7	1200	1200
2024-11-01	1204.5	1204.7	1200	1200
2024-10-01	1204.5	1204.7	1200	1200
2024-09-01	1204.5	1204.7	1200	1200
2024-08-01	1204.5	1204.7	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Clash Of Schools -Primary Schools 2025 (U11)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	4.5	Yes	Analysis
2	Bojanala Circuit Championships 1 of 4 2025 (U12)	2025-03-01	2025-03-01	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	Bojanala's Battle In The Kloof 2025 (Knights)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
4	Bojanala Wildcard 2025 (Center Pawns)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Clash Of Schools -Primary Schools 2025 (U11)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	4.5	Yes	Analysis
2	Bojanala Circuit Championships 1 of 4 2025 (U12)	2025-03-01	2025-03-01	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
3	Bojanala's Battle In The Kloof 2025 (Knights)	2025-02-15	2025-02-15	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
4	Bojanala Wildcard 2025 (Center Pawns)	2025-01-25	2025-01-25	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
5	Bojanala's Clash Of Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
6	Bojanala Chess Federation Clash of Schools 2022 (PS Development Juniors)	2022-07-23	2022-07-23	Standard	Bojanala Platina (NBR)	4	4	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament Bojanala Circuit Championships 1 of 4 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Hanekom, H (Henko)				Opponent Bossert, P (Petrus Albertus)
2	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala Circuit Championships 1 of 4 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Timbe, J (Junior)				Opponent Swart, J (Jan-Dirk)
3	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 0.5
		Opponent Zwane, K (Koketso)				Opponent Toughey, D (Dylan)

#	Games	Start				End
1	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala Circuit Championships 1 of 4 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Timbe, J (Junior)				Opponent Swart, J (Jan-Dirk)
2	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala's Battle In The Kloof 2025
		date 2025-02-15	rnd 2	type Standard	result 1	date 2025-02-15	rnd 3	type Standard	result 0.5
		Opponent Zwane, K (Koketso)				Opponent Toughey, D (Dylan)
3	2	Tournament Bojanala Wildcard 2025				Tournament Bojanala Wildcard 2025
		date 2025-01-25	rnd 2	type Standard	result 1	date 2025-01-25	rnd 3	type Standard	result 0.5
		Opponent Raikane, O (Ontshiametse)				Opponent Smit, H (Hesmia)

#	Games	Start				End
1	5	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 1	type Rapid	result 0.5	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Van Der Merwe, R (Rian)				Opponent Bossert, P (Petrus Albertus)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Khala, K (Kamogelo)				Opponent Bossert, P (Petrus Albertus)
2	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala Circuit Championships 1 of 4 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Timbe, J (Junior)				Opponent Swart, J (Jan-Dirk)
3	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala's Clash Of Schools 2024
		date 2022-07-23	rnd 4	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Mususa, C (Cory Tine)				Opponent Kalala, B (Beni)

#	Games	Start				End
1	2	Tournament Bojanala's Battle In The Kloof 2025				Tournament Bojanala Circuit Championships 1 of 4 2025
		date 2025-02-15	rnd 5	type Standard	result 1	date 2025-03-01	rnd 1	type Standard	result 1
		Opponent Timbe, J (Junior)				Opponent Swart, J (Jan-Dirk)
2	2	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala's Clash Of Schools 2024
		date 2022-07-23	rnd 4	type Standard	result 1	date 2024-07-20	rnd 1	type Standard	result 1
		Opponent Mususa, C (Cory Tine)				Opponent Kalala, B (Beni)
3	1	Tournament Bojanala Circuit Championships 1 of 4 2025				Tournament Bojanala Circuit Championships 1 of 4 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Hanekom, H (Henko)				Opponent Hanekom, H (Henko)

#	Games	Start				End
1	4	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 2	type Rapid	result 1	date 2025-07-26	rnd 5	type Rapid	result 1
		Opponent Khala, K (Kamogelo)				Opponent Bossert, P (Petrus Albertus)

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	Swart ,J (Jan-Dirk)	2	1	0	2	1	0	0	0	0	0	0	0
1	Swart ,J (Jan-Dirk)	2	1364.4	1364.4	2	1361.6	1364.4	0	0	0	0	0	0
2	Du Toit ,L (Lwazi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Du Toit ,L (Lwazi)	1	1016.9	1441.9	1	1017.5	1441.9	0	0	0	0	0	0
3	Murungweni ,I (Isheanesu)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Murungweni ,I (Isheanesu)	1	1238.3	813.3	1	1218.4	813.3	0	0	0	0	0	0
4	Jacobs ,B (Bernard)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jacobs ,B (Bernard)	1	1184.7	1609.7	1	1181.6	1609.7	0	0	0	0	0	0
5	Grobler ,J (Jurgens)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Grobler ,J (Jurgens)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Zwane ,K (Koketso)	1	1	425	1	1	425	0	0	0	0	0	0
6	Zwane ,K (Koketso)	1	910.6	1335.6	1	903.2	1335.6	0	0	0	0	0	0
7	Raikane ,O (Ontshiametse)	1	1	425	1	1	425	0	0	0	0	0	0
7	Raikane ,O (Ontshiametse)	1	980	1405	1	961.4	1405	0	0	0	0	0	0
8	Sedumedi ,L (Lethabo)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sedumedi ,L (Lethabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Mususa ,C (Cory Tine)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mususa ,C (Cory Tine)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Maphoso ,B (Boithabiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Maphoso ,B (Boithabiso)	1	1275.2	850.2	1	1270.8	850.2	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 (Bg)

Ratings

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Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms