Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jonker, P (Philip)

Chess SA id

106071110

FIDE id

Date of birth

2006-06-08 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-03-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1095.1	987.9	791.2	500
Raw rating	1095.1	987.9	791.2	500
Weighted rating	1095.1	987.9	791.2	500
Weighted performance	251.4	148.4	0	0
Floor	595.1	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	192.5	224.3	296.9	449.5
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1095.1 2024-02-01	987.9 2024-02-01	791.2 2024-02-01	500 2024-02-01
Highest weighted rating	1095.1 2024-11-01	987.9 2024-11-01	791.2 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1095.1	987.9	791.2	500
Analysis
Rating	1095.1	987.9	791.2	500
Raw rating	1095.1	987.9	791.2	500
Weighted rating	1095.1	987.9	791.2
Weighted performance	251.4	148.4	0
K-factor	40	40	40	40
Floor	595.1	500	500	500
Max/Min rating change allowed	192.5	224.3	296.9	449.5
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	1095.1	987.9	791.2	500
New weighted rating	1095.1	987.9	791.2	500
New weighted performance	244.6	142.4	0	0
Temp new rating	1095.1	987.9	791.2	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1095.1	987.9	791.2	500
New K-factor	40	40	40	40
New floor	595.1	500	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	115	95	20

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	63	30.5	48.41	-13.5	1019.3	1005.8
Standard	48	20.5	42.71	-62	1007.6	945.6
Rapid	15	10	66.67	141.7	1056.8	1198.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1095.1	987.9	791.2	500
2025-09-30	1095.1	987.9	791.2	500
2025-09-01	1095.1	987.9	791.2	500
2025-08-01	1095.1	987.9	791.2	500
2025-07-01	1095.1	987.9	791.2	500
2025-06-01	1095.1	987.9	791.2	500
2025-05-01	1095.1	987.9	791.2	500
2025-04-01	1095.1	987.9	791.2	500
2025-03-01	1095.1	987.9	791.2	500
2025-02-01	1095.1	987.9	791.2	500
2025-01-01	1095.1	987.9	791.2	500
2024-12-01	1095.1	987.9	791.2	500
2024-11-01	1095.1	987.9	791.2	500
2024-10-01	1095.1	987.9	791.2	500
2024-09-01	1095.1	987.9	791.2	500
2024-08-01	1095.1	987.9	791.2	500
2024-07-01	1095.1	987.9	791.2	500
2024-09-01	1095.1	987.9	791.2	500
2024-05-01	1095.1	987.9	791.2	500
2024-04-01	1095.1	987.9	791.2	500
2024-03-01	1095.1	987.9	791.2	500
2024-02-01	1095.1	987.9	791.2	500
2024-01-01	1095.1	987.9	791.2	500
2023-12-01	1095.1	987.9	791.2	500

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	JNW Club - Junior A High School 2020	2020-03-07	2020-03-07	Rapid	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	2019 Super 12 Laerskole (Seniors)	2019-05-04	2019-05-04	Rapid	Tshwane (GTP)	5	5	4	Yes	Analysis
3	Chessnuts Under 1200 27 April 2019 (Kings)	2019-04-27	2019-04-27	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis
4	South African Junior Team Championships 2018 (U14D)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
5	Inter Region GE vs JHB Metro 2018 (U14E)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
6	2018 Gauteng League Final (U13)	2018-08-24	2018-08-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	JNW Club - Maragon Open 2018 (C)	2018-08-04	2018-08-04	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
8	JHB Metro Junior Closed 2018 (U14)	2018-07-28	2018-07-29	Standard	Johannesburg Metro (GJM)	6	5	0	Yes	Analysis
9	2018 Super 12 (Senior)	2018-05-05	2018-05-05	Rapid	Tshwane (GTP)	5	5	3	Yes	Analysis
10	Fonties Challenge 2018 (U13+U15)	2018-04-21	2018-04-21	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
11	The Outpost Chess Club Open 2018 (C)	2018-03-16	2018-03-17	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
12	Chessnuts - Kickoff Open 2018 (C)	2018-02-09	2018-02-10	Standard	Johannesburg Metro (GJM)	6	6	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Chessnuts Under 1200 27 April 2019				Tournament 2019 Super 12 Laerskole
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Nair, C (Chaitan)				Opponent Hanekom, D (Dawid)
2	3	Tournament 2019 Super 12 Laerskole				Tournament JNW Club - Junior A High School 2020
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Anderson, S (Shane)				Opponent Rajoo, L (Livaran)
3	3	Tournament Inter Region GE vs JHB Metro 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-10-06	rnd 3	type Standard	result 1	date 2018-10-06	rnd 5	type Standard	result 1
		Opponent Pretorius, WJM (Martienus)				Opponent Greyling, S (Schalk)

#	Games	Start				End
1	3	Tournament Inter Region GE vs JHB Metro 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-10-06	rnd 3	type Standard	result 1	date 2018-10-06	rnd 5	type Standard	result 1
		Opponent Pretorius, WJM (Martienus)				Opponent Greyling, S (Schalk)
2	3	Tournament Chessnuts - Kickoff Open 2018				Tournament The Outpost Chess Club Open 2018
		date 2018-02-10	rnd 5	type Standard	result 1	date 2018-03-16	rnd 1	type Standard	result 1
		Opponent Bester, K (Keira)				Opponent Myaka, S (Silungile)
3	2	Tournament Chessnuts Under 1200 27 April 2019				Tournament Chessnuts Under 1200 27 April 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Nair, C (Chaitan)				Opponent Fauconier, C (Caley)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament JNW Club - Junior A High School 2020
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Anderson, S (Shane)				Opponent Rajoo, L (Livaran)
2	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Wellstead, B (Brian)				Opponent Hanekom, D (Dawid)
3	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Katzke, Z (Zander)				Opponent Van Niekerk, A (Adriaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Chessnuts Under 1200 27 April 2019				Tournament 2019 Super 12 Laerskole
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Nair, C (Chaitan)				Opponent Hanekom, D (Dawid)
2	3	Tournament 2019 Super 12 Laerskole				Tournament JNW Club - Junior A High School 2020
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Anderson, S (Shane)				Opponent Rajoo, L (Livaran)
3	3	Tournament Inter Region GE vs JHB Metro 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-10-06	rnd 3	type Standard	result 1	date 2018-10-06	rnd 5	type Standard	result 1
		Opponent Pretorius, WJM (Martienus)				Opponent Greyling, S (Schalk)

#	Games	Start				End
1	3	Tournament Inter Region GE vs JHB Metro 2018				Tournament Inter Region GE vs JHB Metro 2018
		date 2018-10-06	rnd 3	type Standard	result 1	date 2018-10-06	rnd 5	type Standard	result 1
		Opponent Pretorius, WJM (Martienus)				Opponent Greyling, S (Schalk)
2	3	Tournament Chessnuts - Kickoff Open 2018				Tournament The Outpost Chess Club Open 2018
		date 2018-02-10	rnd 5	type Standard	result 1	date 2018-03-16	rnd 1	type Standard	result 1
		Opponent Bester, K (Keira)				Opponent Myaka, S (Silungile)
3	2	Tournament Chessnuts Under 1200 27 April 2019				Tournament Chessnuts Under 1200 27 April 2019
		date 2019-04-27	rnd 4	type Standard	result 1	date 2019-04-27	rnd 5	type Standard	result 1
		Opponent Nair, C (Chaitan)				Opponent Fauconier, C (Caley)

#	Games	Start				End
1	3	Tournament 2019 Super 12 Laerskole				Tournament JNW Club - Junior A High School 2020
		date 2019-05-04	rnd 5	type Rapid	result 1	date 2020-03-07	rnd 2	type Rapid	result 1
		Opponent Anderson, S (Shane)				Opponent Rajoo, L (Livaran)
2	3	Tournament 2019 Super 12 Laerskole				Tournament 2019 Super 12 Laerskole
		date 2019-05-04	rnd 1	type Rapid	result 1	date 2019-05-04	rnd 3	type Rapid	result 1
		Opponent Wellstead, B (Brian)				Opponent Hanekom, D (Dawid)
3	2	Tournament 2018 Super 12				Tournament 2018 Super 12
		date 2018-05-05	rnd 1	type Rapid	result 1	date 2018-05-05	rnd 2	type Rapid	result 1
		Opponent Katzke, Z (Zander)				Opponent Van Niekerk, A (Adriaan)

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	Greef ,S (Schalk)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Greef ,S (Schalk)	2	929	504	2	937.7	504	0	0	0	0	0	0
2	Fauconier ,C (Caley)	2	1	0	2	1	0	0	0	0	0	0	0
2	Fauconier ,C (Caley)	2	1053.7	1053.7	2	1048.1	1053.7	0	0	0	0	0	0
3	Strong ,D (Davida)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Strong ,D (Davida)	1	893.4	468.4	1	906.8	468.4	0	0	0	0	0	0
4	Botha ,J (Johan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Botha ,J (Johan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ludek ,K (Kai)	1	1	425	1	1	425	0	0	0	0	0	0
5	Ludek ,K (Kai)	1	1200.3	1625.3	1	1194.8	1625.3	0	0	0	0	0	0
6	Pretorius ,WJM (Martienus)	1	1	425	1	1	425	0	0	0	0	0	0
6	Pretorius ,WJM (Martienus)	1	1037.1	1462.1	1	1056	1462.1	0	0	0	0	0	0
7	Nair ,C (Chaitan)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nair ,C (Chaitan)	1	1111	1536	1	1102.1	1536	0	0	0	0	0	0
8	Singh ,N (Nimai)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Singh ,N (Nimai)	1	931.4	506.4	1	926.8	506.4	0	0	0	0	0	0
9	Donald ,R (Ryan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Donald ,R (Ryan)	1	1072.3	647.3	1	1071.4	647.3	0	0	0	0	0	0
10	Van Urk ,M (Milan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Urk ,M (Milan)	1	808	383	1	808	383	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

Jonker, P (Philip)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms