Chess South Africa Ratings Database

PLAYER PAGE

Personal

Petersen, C (Chesree)

Chess SA id

2050149961

FIDE id

Date of birth

2005-10-04 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	961	933.6	1200	1200
Raw rating	961	933.6	1200	1200
Weighted rating	950.3	921.9	1200	1200
Weighted performance	752.7	744	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	233.1	242.3	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	961	933.6	1200	1200
Analysis
Rating	961	933.6	1200	1200
Raw rating	961	933.6	1200	1200
Weighted rating	950.3	921.9	1200
Weighted performance	752.7	744	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	233.1	242.3	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	961	933.6	1200	1200
New weighted rating	950.9	922.7	1200	1200
New weighted performance	747.4	738.7	0	0
Temp new rating	961	933.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	961	933.6	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	4	4
	17	17
	25	25
	0	0
	0	0
History	46	46

Games since
	Main 21	Standard 21		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
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	4	1.5	37.5	-106.2	1130.9	1024.7
Standard	4	1.5	37.5	-106.2	1130.9	1024.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	46	7.5	16.3	-286.4	1187.1	900.7
Standard	46	7.5	16.3	-286.4	1187.1	900.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	961	933.6	1200	1200
2025-09-30	961	933.6	1200	1200
2025-09-01	961	933.6	1200	1200
2025-08-01	961	933.6	1200	1200
2025-07-01	961	933.6	1200	1200
2025-06-01	961	933.6	1200	1200
2025-05-01	961	933.6	1200	1200
2025-04-01	961	933.6	1200	1200
2025-03-01	950.9	920.1	1200	1200
2025-02-01	950.8	920.1	1200	1200
2025-01-01	924.8	896	1200	1200
2024-12-01	924.8	896	1200	1200
2024-11-01	924.8	896	1200	1200
2024-10-01	924.8	896	1200	1200
2024-09-01	924.8	896	1200	1200
2024-08-01	924.8	896	1200	1200
2024-07-01	924.8	896	1200	1200
2024-09-01	924.8	896	1200	1200
2024-05-01	924.8	896	1200	1200
2024-04-01	948	918.8	1200	1200
2024-03-01	1005.1	970	1200	1200
2024-02-01	1005.1	970	1200	1200
2024-01-01	1005.1	970	1200	1200
2023-12-01	1005.1	970	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	Hessequa Ontwikkelings Toernooi 2025 (U17 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Hessequa Ontwikkelings Toernooi 2025 (U17 Girls)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
2	Eden Chess Trials 2 2024 (U20)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	7	0	Yes	Analysis
3	Western Cape HS Individuals Championship 2024 (U20 Boys+Girls)	2024-03-21	2024-03-22	Standard	Overberg (WOS)	6	5	0	Yes	Analysis
4	Eden School Chess Trials 1 2024 (U20 Mix)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	1	Yes	Analysis
5	Eden Trials 2+3 2023 (U20)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	10	2.5	Yes	Analysis
6	Western Cape HS Individuals 2023 (U19 Girls)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1	Yes	Analysis
7	Eden Trails 1 2023 (U19 Girls)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	1.5	Yes	Analysis
8	Hessequa Proewe 2 2023 (O19 Seuns+Dogters)	2023-02-11	2023-02-11	Standard	Eden (WEG)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-04-15	rnd 2	type Standard	result 0.5	date 2023-04-15	rnd 4	type Standard	result 0.5
		Opponent Mienies, D (Deanay)				Opponent Macclune, B (Bobby)
2	2	Tournament Hessequa Ontwikkelings Toernooi 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-03-01	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Jacobs, S (Sensemecia)				Opponent Tities, N (Nickay)
3	1	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Soule, J (Jason)				Opponent Soule, J (Jason)

#	Games	Start				End
1	3	Tournament Eden Trials 2+3 2023				Tournament Eden Trials 2+3 2023
		date 2023-04-15	rnd 2	type Standard	result 0.5	date 2023-04-15	rnd 4	type Standard	result 0.5
		Opponent Mienies, D (Deanay)				Opponent Macclune, B (Bobby)
2	2	Tournament Hessequa Ontwikkelings Toernooi 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-03-01	rnd 4	type Standard	result 0.5	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Jacobs, S (Sensemecia)				Opponent Tities, N (Nickay)
3	1	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Soule, J (Jason)				Opponent Soule, J (Jason)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Hessequa Ontwikkelings Toernooi 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Tities, N (Nickay)				Opponent Tities, N (Nickay)
2	1	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Soule, J (Jason)				Opponent Soule, J (Jason)
3	1	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-04-01	rnd 3	type Standard	result 1
		Opponent Mienies, D (Deanay)				Opponent Mienies, D (Deanay)

#	Games	Start				End
1	1	Tournament Hessequa Ontwikkelings Toernooi 2025				Tournament Hessequa Ontwikkelings Toernooi 2025
		date 2025-03-01	rnd 5	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Tities, N (Nickay)				Opponent Tities, N (Nickay)
2	1	Tournament Eden School Chess Trials 1 2024				Tournament Eden School Chess Trials 1 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 3	type Standard	result 1
		Opponent Soule, J (Jason)				Opponent Soule, J (Jason)
3	1	Tournament Western Cape HS Individuals 2023				Tournament Western Cape HS Individuals 2023
		date 2023-04-01	rnd 3	type Standard	result 1	date 2023-04-01	rnd 3	type Standard	result 1
		Opponent Mienies, D (Deanay)				Opponent Mienies, D (Deanay)

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	Mienies ,D (Deanay)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Mienies ,D (Deanay)	3	1028.5	1170.2	3	998.3	1170.2	0	0	0	0	0	0
2	Gunguluza ,M (Monique)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Gunguluza ,M (Monique)	2	1104.2	679.2	2	1087.8	679.2	0	0	0	0	0	0
3	Visagie ,G (G-Olin)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Visagie ,G (G-Olin)	2	1080.2	655.2	2	1059.4	655.2	0	0	0	0	0	0
4	Mostert ,R (Richard)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Mostert ,R (Richard)	2	1242.3	817.3	2	1238.4	817.3	0	0	0	0	0	0
5	Kiewiet ,S (Shaneel)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Kiewiet ,S (Shaneel)	2	1131.8	706.8	2	1123.8	706.8	0	0	0	0	0	0
6	Bosch ,E (Estee)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Bosch ,E (Estee)	2	1249.5	1037	2	1240.1	1037	0	0	0	0	0	0
7	Petersen ,JD (John-Wayne Dwight)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Petersen ,JD (John-Wayne Dwight)	1	1503.9	1078.9	1	1500.3	1078.9	0	0	0	0	0	0
8	Jacobs ,S (Sensemecia)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Jacobs ,S (Sensemecia)	1	1047.3	1047.3	1	1011.2	1047.3	0	0	0	0	0	0
9	Macclune ,B (Bobby)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Macclune ,B (Bobby)	1	1121.8	1121.8	1	1078.8	1121.8	0	0	0	0	0	0
10	Wheymann ,L (Laurenzo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Wheymann ,L (Laurenzo)	1	1207.7	782.7	1	1197.6	782.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Petersen, C (Chesree)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms