Chess South Africa Ratings Database

PLAYER PAGE

Personal

Porter, J (Joel)

Chess SA id

1120326659

FIDE id

Date of birth

2012-08-11 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1233.3	1200	1255.5	1200
Raw rating	1233.3	1200	1255.5	1200
Weighted rating	1205.2	1200	1208.7	1200
Weighted performance	0	0	0	0
Floor	733.3	700	755.5	700
K-factor	36	40	36	40
Min/Max rating change allowed	158.1	165.8	153.2	165.8
Highest rating	1233.3 2025-09-01	1199 2025-08-27	1255.5 2025-09-01	1199 2025-08-27
Highest raw rating	1233.3 2025-09-01	1199 2025-08-27	1255.5 2025-09-01	1199 2025-08-27
Highest weighted rating	1202.7 2025-09-01	0 2025-08-27	1204.4 2025-09-01	0 2025-08-27
Highest weighted performance	0 2025-08-27	0 2025-08-27	0 2025-08-27	0 2025-08-27

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1233.3	1200	1255.5	1200
Analysis
Rating	1233.3	1200	1255.5	1200
Raw rating	1233.3	1200	1255.5	1200
Weighted rating	1205.2	1200	1208.7
Weighted performance	0	0	0
K-factor	36	40	36	40
Floor	733.3	700	755.5	700
Max/Min rating change allowed	158.1	165.8	153.2	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	1233.3	1200	1255.5	1200
New weighted rating	1207.7	1200	1212.8	1200
New weighted performance	0	0	0	0
Temp new rating	1233.3	1200	1255.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1233.3	1200	1255.5	1200
New K-factor	36	36	36	36
New floor	733.3	700	755.5	700

Item	Main	Rapid
	0	0
	6	6
	0	0
	0	0
	0	0
	0	0
History	6	6

Games since
	Main 6	Standard 0		Rapid 6		Blitz 0
Gender	M
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-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	6	4	66.67	141.7	1277.8	1419.5
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1277.8	1419.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	6	4	66.67	141.7	1277.8	1419.5
Standard	0	0	0	0	0	0
Rapid	6	4	66.67	141.7	1277.8	1419.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1233.3	1200	1255.5	1200
2025-09-01	1233.3	1200	1255.5	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Curro Chess Open Rapid 2025 (U14)	2025-08-23	2025-08-23	Rapid	Cape Town (WCT)	6	6	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 1	type Rapid	result 0.5	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Mboniswa, L (Lukhanyo)				Opponent Crabbia, M (Mattia)
2	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 0.5
		Opponent Booysen, G (Giavanna)				Opponent Faria, A (Adam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 1	type Rapid	result 0.5	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Mboniswa, L (Lukhanyo)				Opponent Crabbia, M (Mattia)
2	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 6	type Rapid	result 0.5
		Opponent Booysen, G (Giavanna)				Opponent Faria, A (Adam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Lee, K (Ken-Win)				Opponent Crabbia, M (Mattia)
2	1	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Booysen, G (Giavanna)				Opponent Booysen, G (Giavanna)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 2	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Lee, K (Ken-Win)				Opponent Crabbia, M (Mattia)
2	1	Tournament Curro Chess Open Rapid 2025				Tournament Curro Chess Open Rapid 2025
		date 2025-08-23	rnd 5	type Rapid	result 1	date 2025-08-23	rnd 5	type Rapid	result 1
		Opponent Booysen, G (Giavanna)				Opponent Booysen, G (Giavanna)

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	Crabbia ,M (Mattia)	1	1	425	0	0	0	1	1	425	0	0	0
1	Crabbia ,M (Mattia)	1	1229	1654	0	0	0	1	1243.2	1654	0	0	0
2	Berry ,S (Seth)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Berry ,S (Seth)	1	1478.7	1053.7	0	0	0	1	1394.3	1053.7	0	0	0
3	Lee ,K (Ken-Win)	1	1	425	0	0	0	1	1	425	0	0	0
3	Lee ,K (Ken-Win)	1	1246	1671	0	0	0	1	1200	1671	0	0	0
4	Faria ,A (Adam)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
4	Faria ,A (Adam)	1	1245.3	1245.3	0	0	0	1	1256	1245.3	0	0	0
5	Mboniswa ,L (Lukhanyo)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
5	Mboniswa ,L (Lukhanyo)	1	1224.2	1224.2	0	0	0	1	1239.3	1224.2	0	0	0
6	Booysen ,G (Giavanna)	1	1	425	0	0	0	1	1	425	0	0	0
6	Booysen ,G (Giavanna)	1	1243.6	1668.6	0	0	0	1	1200.3	1668.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Porter, J (Joel)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms