Chess South Africa Ratings Database

PLAYER PAGE

Personal

Coetzee, J (Jan)

Chess SA id

1600309242

FIDE id

Date of birth

1960-09-27 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1190.6	1200	1173.2	1200
Raw rating	1190.6	1200	1173.2	1200
Weighted rating	1189.3	1200	1169.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	168	165.8	172.3	165.8
Highest rating	1200 2024-11-01	1200 2024-10-01	1200 2024-11-01	1200 2024-10-01
Highest raw rating	1200 2024-08-01	1200 2024-10-01	1200 2024-08-01	1200 2024-10-01
Highest weighted rating	1200 2024-11-01	1200 2024-10-01	1200 2024-11-01	1200 2024-10-01
Highest weighted performance	1200 2024-12-01	1200 2024-10-01	1200 2024-12-01	1200 2024-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1190.6	1200	1173.2	1200
Analysis
Rating	1190.6	1200	1173.2	1200
Raw rating	1190.6	1200	1173.2	1200
Weighted rating	1189.3	1200	1169.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	168	165.8	172.3	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	1190.6	1200	1173.2	1200
New weighted rating	1189.2	1200	1169.1	1200
New weighted performance	0	0	0	0
Temp new rating	1190.6	1200	1173.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1190.6	1200	1173.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	7	7
	0	0
	0	0
	0	0
History	7	7

Games since
	Main 7	Standard 0		Rapid 7		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	7	2	28.57	-182.1	1194.1	1012
Standard	0	0	0	0	0	0
Rapid	7	2	28.57	-182.1	1194.1	1012
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1190.6	1200	1173.2	1200
2025-09-01	1190.6	1200	1173.2	1200
2025-08-01	1190.6	1200	1173.2	1200
2025-07-01	1190.6	1200	1173.2	1200
2025-06-01	1190.6	1200	1173.2	1200
2025-05-01	1190.6	1200	1173.2	1200
2025-04-01	1190.6	1200	1173.2	1200
2025-03-01	1190.6	1200	1173.2	1200
2025-02-01	1189.9	1200	1171.3	1200
2025-01-01	1176.6	1200	1133.2	1200
2024-12-01	1176.6	1200	1133.2	1200
2024-11-01	1176.6	1200	1133.2	1200
2024-10-01	1176.6	1200	1133.2	1200
2024-09-01	1176.6	1200	1133.2	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	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
2023-11-01	1200	1200	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	Bojanala's Kings & Queens Rapid and Doubles 2024 (Open)	2024-08-10	2024-08-10	Rapid	Bojanala Platina (NBR)	7	7	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 7	type Rapid	result 1	date 2024-08-10	rnd 7	type Rapid	result 1
		Opponent Tshinyani, M (Menzokuhle)				Opponent Tshinyani, M (Menzokuhle)
2	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Botes, M (Mine)				Opponent Botes, M (Mine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 7	type Rapid	result 1	date 2024-08-10	rnd 7	type Rapid	result 1
		Opponent Tshinyani, M (Menzokuhle)				Opponent Tshinyani, M (Menzokuhle)
2	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Botes, M (Mine)				Opponent Botes, M (Mine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 7	type Rapid	result 1	date 2024-08-10	rnd 7	type Rapid	result 1
		Opponent Tshinyani, M (Menzokuhle)				Opponent Tshinyani, M (Menzokuhle)
2	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Botes, M (Mine)				Opponent Botes, M (Mine)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 7	type Rapid	result 1	date 2024-08-10	rnd 7	type Rapid	result 1
		Opponent Tshinyani, M (Menzokuhle)				Opponent Tshinyani, M (Menzokuhle)
2	1	Tournament Bojanala's Kings & Queens Rapid and Doubles 2024				Tournament Bojanala's Kings & Queens Rapid and Doubles 2024
		date 2024-08-10	rnd 4	type Rapid	result 1	date 2024-08-10	rnd 4	type Rapid	result 1
		Opponent Botes, M (Mine)				Opponent Botes, M (Mine)

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	Mpipi ,S (Selabe)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Mpipi ,S (Selabe)	1	1285.5	860.5	0	0	0	1	1254	860.5	0	0	0
2	Tshinyani ,M (Menzokuhle)	1	1	425	0	0	0	1	1	425	0	0	0
2	Tshinyani ,M (Menzokuhle)	1	1135.9	1560.9	0	0	0	1	1200	1560.9	0	0	0
3	Fourie ,J (Janco)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Fourie ,J (Janco)	1	1179.4	754.4	0	0	0	1	1200	754.4	0	0	0
4	Eckstein ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Eckstein ,D (Daniel)	1	1155.2	730.2	0	0	0	1	1200	730.2	0	0	0
5	Botha ,J (Johan)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Botha ,J (Johan)	1	1221.6	796.6	0	0	0	1	1236	796.6	0	0	0
6	Jansen Van Vuuren ,L (Lourein)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Jansen Van Vuuren ,L (Lourein)	1	1198.6	773.6	0	0	0	1	999.4	773.6	0	0	0
7	Botes ,M (Mine)	1	1	425	0	0	0	1	1	425	0	0	0
7	Botes ,M (Mine)	1	1182.5	1607.5	0	0	0	1	1141.6	1607.5	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Coetzee, J (Jan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms