Chess South Africa Ratings Database

PLAYER PAGE

Personal

Buitendag, J (Janco)

Chess SA id

105003848

FIDE id

Date of birth

2005-11-25 (Adult)

Gender

Male

Region

Lejweleputswa (FLW)

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	962	958.2	770.6	770.6
Raw rating	962	958.2	770.6	770.6
Weighted rating	962	958.2	770.6	770.6
Weighted performance	213.3	212.3	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	232.7	234	305.7	305.7
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	985.2 2020-01-01	982.6 2020-01-01	770.6 2024-02-01	770.6 2024-02-01
Highest weighted rating	985.2 2024-11-01	982.6 2024-11-01	770.6 2024-11-01	770.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	962	958.2	770.6	770.6
Analysis
Rating	962	958.2	770.6	770.6
Raw rating	962	958.2	770.6	770.6
Weighted rating	962	958.2	770.6
Weighted performance	213.3	212.3	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	232.7	234	305.7	305.7
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	962	958.2	770.6	770.6
New weighted rating	962	958.2	770.6	770.6
New weighted performance	213	212	0	0
Temp new rating	962	958.2	770.6	770.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	962	958.2	770.6	770.6
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	215	215

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Lejweleputswa (FLW)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	55	25.5	46.36	-30.9	947.8	916.9
Standard	55	25.5	46.36	-30.9	947.8	916.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	962	958.2	770.6	770.6
2025-09-01	962	958.2	770.6	770.6
2025-08-01	962	958.2	770.6	770.6
2025-07-01	962	958.2	770.6	770.6
2025-06-01	962	958.2	770.6	770.6
2025-05-01	962	958.2	770.6	770.6
2025-04-01	962	958.2	770.6	770.6
2025-03-01	962	958.2	770.6	770.6
2025-02-01	962	958.2	770.6	770.6
2025-01-01	962	958.2	770.6	770.6
2024-12-01	962	958.2	770.6	770.6
2024-11-01	962	958.2	770.6	770.6
2024-10-01	962	958.2	770.6	770.6
2024-09-01	962	958.2	770.6	770.6
2024-08-01	962	958.2	770.6	770.6
2024-07-01	962	958.2	770.6	770.6
2024-06-01	962	958.2	770.6	770.6
2024-08-01	962	958.2	770.6	770.6
2024-04-01	962	958.2	770.6	770.6
2024-03-01	962	958.2	770.6	770.6
2024-02-01	962	958.2	770.6	770.6
2024-01-01	962	958.2	770.6	770.6
2023-12-01	962	958.2	770.6	770.6
2023-11-01	962	958.2	770.6	770.6

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 (U16B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
2	Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open)	2019-06-15	2019-06-15	Standard	Lejweleputswa (FLW)	5	5	2	Yes	Analysis
3	Inter Regional Chess Championship 2019 (U16)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	5	2	Yes	Analysis
4	South African Junior Team Championships 2018 (U14D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis
5	Lejweleputswa 1st Qualifier 2019 (U16)	2018-10-27	2018-10-27	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
6	Lejweleputswa 7th Qualifying Swiss Open Tournament 2018 (U14)	2018-06-23	2018-06-23	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
7	Inter Regional 2018 (U14 Individual)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
8	Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14)	2018-02-24	2018-02-24	Standard	Lejweleputswa (FLW)	5	5	3.5	Yes	Analysis
9	Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018 (D)	2018-01-27	2018-01-27	Standard	Lejweleputswa (FLW)	5	5	2	Yes	Analysis
10	South African Junior Team Championships 2017 (U14E)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 0.5	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Hendricks, J (Jereldo)				Opponent Molotsi, O (Oabile)
2	4	Tournament Inter Regional 2018				Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Buitendag, M (Marno)				Opponent Jacobs, R (Rene)
3	3	Tournament Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018				Tournament Inter Regional 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Rambuda, F (Funi)				Opponent Maass, J (Janco)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2018				Tournament South African Junior Team Championships 2018
		date 2018-12-17	rnd 3	type Standard	result 0.5	date 2018-12-19	rnd 6	type Standard	result 1
		Opponent Hendricks, J (Jereldo)				Opponent Molotsi, O (Oabile)
2	4	Tournament Inter Regional 2018				Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Buitendag, M (Marno)				Opponent Jacobs, R (Rene)
3	3	Tournament Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018				Tournament Inter Regional 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Rambuda, F (Funi)				Opponent Maass, J (Janco)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Inter Regional 2018				Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Buitendag, M (Marno)				Opponent Jacobs, R (Rene)
2	3	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 2018-12-19	rnd 6	type Standard	result 1
		Opponent Amsterdam, GE (Greswil)				Opponent Molotsi, O (Oabile)
3	3	Tournament Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018				Tournament Inter Regional 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Rambuda, F (Funi)				Opponent Maass, J (Janco)

#	Games	Start				End
1	4	Tournament Inter Regional 2018				Tournament Lejweleputswa 7th Qualifying Swiss Open Tournament 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-06-23	rnd 2	type Standard	result 1
		Opponent Buitendag, M (Marno)				Opponent Jacobs, R (Rene)
2	3	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 2018-12-19	rnd 6	type Standard	result 1
		Opponent Amsterdam, GE (Greswil)				Opponent Molotsi, O (Oabile)
3	3	Tournament Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018				Tournament Inter Regional 2018
		date 2018-02-24	rnd 4	type Standard	result 1	date 2018-05-04	rnd 1	type Standard	result 1
		Opponent Rambuda, F (Funi)				Opponent Maass, J (Janco)

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	Maass ,J (Janco)	2	2	425	2	2	425	0	0	0	0	0	0
1	Maass ,J (Janco)	2	1040	1465	2	1014.2	1465	0	0	0	0	0	0
2	Letupu ,M (Omolemo)	2	1	0	2	1	0	0	0	0	0	0	0
2	Letupu ,M (Omolemo)	2	1274.3	1274.3	2	1272.2	1274.3	0	0	0	0	0	0
3	Mzeni ,T (Tshepo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mzeni ,T (Tshepo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Van Wyk ,S (Shimiah)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Van Wyk ,S (Shimiah)	1	973.7	548.7	1	971.2	548.7	0	0	0	0	0	0
5	Swart ,D (Dian)	1	1	425	1	1	425	0	0	0	0	0	0
5	Swart ,D (Dian)	1	878.6	1303.6	1	877.4	1303.6	0	0	0	0	0	0
6	Fransman ,A (Archard)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Fransman ,A (Archard)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Young ,RB (Ruhan Beyers)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Young ,RB (Ruhan Beyers)	1	1015.4	590.4	1	1017.7	590.4	0	0	0	0	0	0
8	De Abreu ,C (Cristiano)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	De Abreu ,C (Cristiano)	1	524.8	99.8	1	524.8	99.8	0	0	0	0	0	0
9	Hendricks ,UO (Uziel Oray)	1	1	425	1	1	425	0	0	0	0	0	0
9	Hendricks ,UO (Uziel Oray)	1	1023.8	1448.8	1	1024.8	1448.8	0	0	0	0	0	0
10	Mazibuko ,T (Themba)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mazibuko ,T (Themba)	1	1259.8	834.8	1	1263.3	834.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Buitendag, J (Janco)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms