Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuizen, B (Brett)

Chess SA id

1110117568

FIDE id

Date of birth

2011-11-30 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1226.5	1216.8	1208.9	1200
Raw rating	1226.5	1216.8	1208.9	1200
Weighted rating	1226.5	1216.8	1208.9	1200
Weighted performance	587.1	0	520.1	0
Floor	753.9	731.2	762.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.7	161.9	163.7	165.8
Highest rating	1282 2019-07-01	1320.1 2020-02-01	1387 2019-07-01	1200 2018-10-01
Highest raw rating	1253.9 2021-10-01	1231.2 2020-03-01	1262.9 2021-10-01	1200 2024-02-01
Highest weighted rating	1253.9 2021-10-01	1231.2 2022-02-01	1262.9 2021-10-01	1200 2018-10-01
Highest weighted performance	1282 2019-07-01	1320.1 2020-02-01	1387 2019-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1226.5	1216.8	1208.9	1200
Analysis
Rating	1226.5	1216.8	1208.9	1200
Raw rating	1226.5	1216.8	1208.9	1200
Weighted rating	1226.5	1216.8	1208.9
Weighted performance	587.1	0	520.1
K-factor	36	36	36	36
Floor	753.9	731.2	762.9	700
Max/Min rating change allowed	159.7	161.9	163.7	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	1226.5	1216.8	1208.9	1200
New weighted rating	1226.5	1216.8	1208.9	1200
New weighted performance	580.3	0	513.2	0
Temp new rating	1226.5	1216.8	1208.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1226.5	1216.8	1208.9	1200
New K-factor	36	36	36	36
New floor	753.9	731.2	762.9	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	10	6	4
	15	0	15
History	44	12	32

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
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	44	23.5	53.41	29	1214.6	1243.6
Standard	12	6.5	54.17	35.4	1229.4	1264.8
Rapid	32	17	53.12	26.6	1209	1235.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1226.5	1216.8	1208.9	1200
2025-09-30	1226.5	1216.8	1208.9	1200
2025-09-01	1226.5	1216.8	1208.9	1200
2025-08-01	1226.5	1216.8	1208.9	1200
2025-07-01	1226.5	1216.8	1208.9	1200
2025-06-01	1226.5	1216.8	1208.9	1200
2025-05-01	1226.5	1216.8	1208.9	1200
2025-04-01	1226.5	1216.8	1208.9	1200
2025-03-01	1226.5	1216.8	1208.9	1200
2025-02-01	1226.5	1216.8	1208.9	1200
2025-01-01	1226.5	1216.8	1208.9	1200
2024-12-01	1226.5	1216.8	1208.9	1200
2024-11-01	1226.5	1216.8	1208.9	1200
2024-10-01	1226.5	1216.8	1208.9	1200
2024-09-01	1226.5	1216.8	1208.9	1200
2024-08-01	1226.5	1216.8	1208.9	1200
2024-07-01	1226.5	1216.8	1208.9	1200
2024-09-01	1226.5	1216.8	1208.9	1200
2024-05-01	1226.5	1216.8	1208.9	1200
2024-04-01	1226.5	1216.8	1208.9	1200
2024-03-01	1226.5	1216.8	1208.9	1200
2024-02-01	1226.5	1216.8	1208.9	1200
2024-01-01	1226.5	1216.8	1208.9	1200
2023-12-01	1226.5	1216.8	1208.9	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	Pedro Booyse Top Schools 2022 (U11 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
2	Onder-Weskus Top Skole 2022 (O11+O13 Meisies)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	6	4	2.5	Yes	Analysis
3	Western Cape Schools 2021 (U11 Boys)	2021-10-23	2021-10-23	Rapid	Overberg (WOS)	5	5	1	Yes	Analysis
4	West Coast Primary Schools Prestige 2021 (U11)	2021-09-18	2021-09-18	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
5	Lower West Coast Schools Chess Prestige 2021 (U11 Boys)	2021-05-15	2021-05-15	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
6	West Coast Schools Prestige 2020 (U9 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
7	Onder Weskus Prestige 2020 (U9 Boys)	2020-02-15	2020-02-22	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
8	Back to School Rapid 2020 (U10)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
9	Weskus Topskole 2019 (U9)	2019-07-20	2019-07-20	Rapid	West Coast (WCU)	3	3	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Onder-Weskus Top Skole 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Marinus, M (Madison)				Opponent Bowden, R (Ryan)
2	3	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 5	type Rapid	result 0.5	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Davidson, C (Caden)				Opponent Cloete, K (Keenan)
3	3	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2021-05-15	rnd 1	type Rapid	result 1	date 2021-05-15	rnd 3	type Rapid	result 1
		Opponent Erasmus, A (Austin)				Opponent Maarman, B (Blayden)

#	Games	Start				End
1	2	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 1	type Standard	result 0.5	date 2022-07-23	rnd 2	type Standard	result 1
		Opponent Maletta, S (Sherevitho)				Opponent Bowden, R (Ryan)
2	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Visagie, D (Dian)				Opponent Claassen, J (Jayden)
3	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Van Zyl, G (Gert Willem)				Opponent Da Silva, D (Daniel)

#	Games	Start				End
1	3	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-05-15	rnd 5	type Rapid	result 0.5	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Davidson, C (Caden)				Opponent Cloete, K (Keenan)
2	3	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2021-05-15	rnd 1	type Rapid	result 1	date 2021-05-15	rnd 3	type Rapid	result 1
		Opponent Erasmus, A (Austin)				Opponent Maarman, B (Blayden)
3	3	Tournament West Coast Schools Prestige 2020				Tournament West Coast Schools Prestige 2020
		date 2020-03-07	rnd 1	type Rapid	result 1	date 2020-03-07	rnd 3	type Rapid	result 1
		Opponent Bowden, R (Ryan)				Opponent Nel, F (Fourie)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2021-05-15	rnd 1	type Rapid	result 1	date 2021-05-15	rnd 3	type Rapid	result 1
		Opponent Erasmus, A (Austin)				Opponent Maarman, B (Blayden)
2	2	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2022-06-04	rnd 6	type Rapid	result 1
		Opponent Marinus, M (Madison)				Opponent Pieters, A (Astrolita)
3	2	Tournament West Coast Primary Schools Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-18	rnd 1	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Davidson, C (Caden)				Opponent Cloete, K (Keenan)

#	Games	Start				End
1	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-22	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Visagie, D (Dian)				Opponent Claassen, J (Jayden)
2	2	Tournament Onder Weskus Prestige 2020				Tournament Onder Weskus Prestige 2020
		date 2020-02-15	rnd 1	type Standard	result 1	date 2020-02-15	rnd 2	type Standard	result 1
		Opponent Van Zyl, G (Gert Willem)				Opponent Da Silva, D (Daniel)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 5	type Standard	result 1	date 2022-07-23	rnd 5	type Standard	result 1
		Opponent Bowden, R (Ryan)				Opponent Bowden, R (Ryan)

#	Games	Start				End
1	3	Tournament Lower West Coast Schools Chess Prestige 2021				Tournament Lower West Coast Schools Chess Prestige 2021
		date 2021-05-15	rnd 1	type Rapid	result 1	date 2021-05-15	rnd 3	type Rapid	result 1
		Opponent Erasmus, A (Austin)				Opponent Maarman, B (Blayden)
2	2	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 5	type Rapid	result 1	date 2022-06-04	rnd 6	type Rapid	result 1
		Opponent Marinus, M (Madison)				Opponent Pieters, A (Astrolita)
3	2	Tournament West Coast Primary Schools Prestige 2021				Tournament West Coast Primary Schools Prestige 2021
		date 2021-09-18	rnd 1	type Rapid	result 1	date 2021-09-18	rnd 2	type Rapid	result 1
		Opponent Davidson, C (Caden)				Opponent Cloete, K (Keenan)

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	Bowden ,R (Ryan)	3	3	425	2	2	425	1	1	425	0	0	0
1	Bowden ,R (Ryan)	3	1211.9	1636.9	2	1242.4	1636.9	1	1200	1636.9	0	0	0
2	Maletta ,S (Sherevitho)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Maletta ,S (Sherevitho)	2	1309	1096.5	2	1263.6	1096.5	0	0	0	0	0	0
3	Tieties ,B (Beauton)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Tieties ,B (Beauton)	2	1324.6	899.6	2	1233.2	899.6	0	0	0	0	0	0
4	Botha ,T (Tristan)	2	1	0	1	0	-425	1	1	425	0	0	0
4	Botha ,T (Tristan)	2	1107	1107	1	1074.4	682	1	1140	1532	0	0	0
5	Claassen ,J (Jayden)	2	1	0	1	1	425	1	0	-425	0	0	0
5	Claassen ,J (Jayden)	2	1214.1	1214.1	1	1215.5	1639.1	1	1175.6	789.1	0	0	0
6	Visagie ,D (Dian)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
6	Visagie ,D (Dian)	2	1200	1412.5	1	1200	1625	1	1200	1200	0	0	0
7	Lawrence ,J (Joel)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Lawrence ,J (Joel)	2	1201.1	776.1	1	1124	776.1	1	1330.2	776.1	0	0	0
8	Davidson ,C (Caden)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
8	Davidson ,C (Caden)	2	1209.1	1421.6	0	0	0	2	1217.8	1421.6	0	0	0
9	Marinus ,M (Madison)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
9	Marinus ,M (Madison)	2	1200	1412.5	0	0	0	2	1200	1412.5	0	0	0
10	Pieters ,A (Astrolita)	2	1	0	0	0	0	2	1	0	0	0	0
10	Pieters ,A (Astrolita)	2	1197.5	1197.5	0	0	0	2	1101.6	1197.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Oosthuizen, B (Brett)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms