Chess South Africa Ratings Database

PLAYER PAGE

Personal

Paterson, J (Jonny)

Chess SA id

103029456

FIDE id

Date of birth

2003-07-04 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-10-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1371	1357	1261.8	1392
Raw rating	1371	1357	1261.8	1392
Weighted rating	1371	1357	1261.8	1391.3
Weighted performance	689.8	681.4	0	0
Floor	979	971.9	761.8	892
K-factor	32	32	36	36
Min/Max rating change allowed	130	132.6	151.8	126.1
Highest rating	1479 2020-02-01	1471.9 2020-02-01	1452.6 2018-10-01	1517.1 2018-04-01
Highest raw rating	1479 2020-02-01	1471.9 2020-02-01	1261.8 2024-02-01	1392 2024-02-01
Highest weighted rating	1479 2022-06-01	1471.9 2022-06-01	1261.8 2024-02-01	1389.5 2025-08-01
Highest weighted performance	1464.6 2020-01-01	1459 2020-01-01	1452.6 2018-10-01	1517.1 2018-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1371	1357	1261.8	1392
Analysis
Rating	1371	1357	1261.8	1392
Raw rating	1371	1357	1261.8	1392
Weighted rating	1371	1357	1261.8
Weighted performance	689.8	681.4	0
K-factor	32	32	36	36
Floor	979	971.9	761.8	892
Max/Min rating change allowed	130	132.6	151.8	126.1
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	1371	1357	1261.8	1392
New weighted rating	1371	1357	1261.8	1391.8
New weighted performance	688.4	680	0	0
Temp new rating	1371	1357	1261.8	1392
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1371	1357	1261.8	1392
New K-factor	32	32	36	36
New floor	979	971.9	761.8	892

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	25	25	0	0
	0	0	0	0
History	490	410	48	32

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Town (WCT)
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	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	139	70	50.36	3.1	1377.2	1380.3
Standard	120	60	50	0	1356.3	1356.3
Rapid	5	5	100	425	1163.9	1588.9
Blitz	14	5	35.71	-121.4	1632.8	1511.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1371	1357	1261.8	1392
2025-09-01	1371	1357	1261.8	1392
2025-08-01	1371	1357	1261.8	1392
2025-07-01	1371	1357	1261.8	1392
2025-06-01	1371	1357	1261.8	1392
2025-05-01	1371	1357	1261.8	1392
2025-04-01	1371	1357	1261.8	1392
2025-03-01	1371	1357	1261.8	1392
2025-02-01	1371	1357	1261.8	1392
2025-01-01	1371	1357	1261.8	1392
2024-12-01	1371	1357	1261.8	1392
2024-11-01	1371	1357	1261.8	1392
2024-10-01	1371	1357	1261.8	1392
2024-09-01	1371	1357	1261.8	1392
2024-08-01	1371	1357	1261.8	1392
2024-07-01	1371	1357	1261.8	1392
2024-06-01	1371	1357	1261.8	1392
2024-08-01	1371	1357	1261.8	1392
2024-04-01	1371	1357	1261.8	1392
2024-03-01	1371	1357	1261.8	1392
2024-02-01	1371	1357	1261.8	1392
2024-01-01	1371	1357	1261.8	1392
2023-12-01	1371	1357	1261.8	1317.4
2023-11-01	1371	1357	1261.8	1317.4

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	2022 Western Province Club League (Premier)	2022-08-20	2022-10-01	Standard	Cape Town (WCT)	11	4	1	Yes	Analysis
2	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	6	Yes	Analysis
3	WP Closed 2022 (C)	2022-06-17	2022-06-17	Standard	Cape Town (WCT)	6	5	0.5	Yes	Analysis
4	Kraaifontein Open 2022 (Advanced)	2022-01-07	2022-01-09	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
5	2020 Metro Trials (U18 Girls)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
6	2020 Central District (U18)	2020-02-07	2020-02-08	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
7	2020 Cape Of Good Hope Open (Prestige)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
8	2019 Wild Card Chess Championship (U18 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
9	2019 South African Junior Team Championships (U18B)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	7	Yes	Analysis
10	2019 Western Province League (Premier)	2019-07-27	2019-09-07	Standard	Cape Town (WCT)	11	4	1	Yes	Analysis
11	Cape Town Chess Club - Club Championship 2019 (Candidate)	2019-05-07	2019-07-02	Standard	Cape Town (WCT)	7	6	4	Yes	Analysis
12	2019 WP Youth Open (A)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
13	Steinitz Chess Festival 2019 (B)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
14	Cape Town Chess Club Annual Blitz Championship 2019	2019-04-23	2019-04-23	Blitz	Cape Town (WCT)	7	7	2	Yes	Analysis
15	2019 Central District Schools Trials (U18)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	0	0	No	Analysis
16	Western Cape Kings & Queens 2018 (Boys)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	5	5	Yes	Analysis
17	2018 Western Province League (Premier)	2018-08-04	2018-09-15	Standard	Cape Town (WCT)	11	6	1.5	Yes	Analysis
18	Cape Town Chess Club Club Championship 2018 (Championship)	2018-05-08	2018-06-19	Standard	Cape Town (WCT)	7	7	0.5	Yes	Analysis
19	Western Cape Schools Individuals 2018 (U15 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	4.5	Yes	Analysis
20	Cape Town Chess Club Blitz 2018	2018-04-24	2018-04-24	Blitz	Cape Town (WCT)	7	7	3	Yes	Analysis
21	2018 WP Schools Closed Trials (U15 Boys)	2018-03-09	2018-03-10	Standard	Cape Town (WCT)	6	5	3.5	Yes	Analysis
22	2018 Central District Trials (U15)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
23	South African Junior Wildcard Championships 2017 (U16 Open)	2018-01-09	2018-01-12	Standard	4 Knights (4K)	7	7	3.5	Yes	Analysis
24	South African Junior Team Championships 2017 (U16B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	5	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2019 South African Junior Team Championships				Tournament 2019 Wild Card Chess Championship
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-09	rnd 1	type Standard	result 1
		Opponent Goldstuck, Z (Zianda)				Opponent Nhlapo, X (Xolani)
2	6	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-11	rnd 5	type Standard	result 0.5	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Magano, LR (Letlhogonolo Rethabile)				Opponent Heilbron, D (Daniel)
3	6	Tournament 2018 Western Province League				Tournament Western Cape Kings & Queens 2018
		date 2018-09-08	rnd 10	type Standard	result 0.5	date 2018-10-20	rnd 5	type Rapid	result 1
		Opponent Moroti, N (Nyiko)				Opponent Hendricks, M (Marquin)

#	Games	Start				End
1	8	Tournament 2019 South African Junior Team Championships				Tournament 2019 Wild Card Chess Championship
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-09	rnd 1	type Standard	result 1
		Opponent Goldstuck, Z (Zianda)				Opponent Nhlapo, X (Xolani)
2	6	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-11	rnd 5	type Standard	result 0.5	date 2020-02-08	rnd 3	type Standard	result 1
		Opponent Magano, LR (Letlhogonolo Rethabile)				Opponent Heilbron, D (Daniel)
3	6	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 1	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Taljard, D (Dante)				Opponent Makhura, T (Thabang)

#	Games	Start				End
1	5	Tournament Western Cape Kings & Queens 2018				Tournament Western Cape Kings & Queens 2018
		date 2018-10-20	rnd 1	type Rapid	result 1	date 2018-10-20	rnd 5	type Rapid	result 1
		Opponent Simon, J (Jaden)				Opponent Hendricks, M (Marquin)

#	Games	Start				End
1	2	Tournament Cape Town Chess Club Blitz 2018				Tournament Cape Town Chess Club Blitz 2018
		date 2018-04-24	rnd 5	type Blitz	result 1	date 2018-04-24	rnd 6	type Blitz	result 1
		Opponent Leiserowitz, M (Maurice)				Opponent Gyongy, I (Istvan)
2	1	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 6	type Blitz	result 1	date 2019-04-23	rnd 6	type Blitz	result 1
		Opponent Jegels, T (Tim)				Opponent Jegels, T (Tim)
3	1	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 2	type Blitz	result 1	date 2019-04-23	rnd 2	type Blitz	result 1
		Opponent Galleid, S (Stephen)				Opponent Galleid, S (Stephen)

#	Games	Start				End
1	8	Tournament 2019 South African Junior Team Championships				Tournament 2019 Wild Card Chess Championship
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-09	rnd 1	type Standard	result 1
		Opponent Goldstuck, Z (Zianda)				Opponent Nhlapo, X (Xolani)
2	5	Tournament Western Cape Kings & Queens 2018				Tournament Western Cape Kings & Queens 2018
		date 2018-10-20	rnd 1	type Rapid	result 1	date 2018-10-20	rnd 5	type Rapid	result 1
		Opponent Simon, J (Jaden)				Opponent Hendricks, M (Marquin)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-07	rnd 1	type Standard	result 1
		Opponent Hansrajh, J (Jitrakorn)				Opponent Arendse, KC (Kelli Candice)

#	Games	Start				End
1	8	Tournament 2019 South African Junior Team Championships				Tournament 2019 Wild Card Chess Championship
		date 2020-01-04	rnd 1	type Standard	result 1	date 2020-01-09	rnd 1	type Standard	result 1
		Opponent Goldstuck, Z (Zianda)				Opponent Nhlapo, X (Xolani)
2	4	Tournament 2018 WP Schools Closed Trials				Tournament Western Cape Schools Individuals 2018
		date 2018-03-10	rnd 5	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Clarke, N (Nathaniel)				Opponent Fraser, D (Dayne)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament 2020 Central District
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-02-07	rnd 1	type Standard	result 1
		Opponent Hansrajh, J (Jitrakorn)				Opponent Arendse, KC (Kelli Candice)

#	Games	Start				End
1	5	Tournament Western Cape Kings & Queens 2018				Tournament Western Cape Kings & Queens 2018
		date 2018-10-20	rnd 1	type Rapid	result 1	date 2018-10-20	rnd 5	type Rapid	result 1
		Opponent Simon, J (Jaden)				Opponent Hendricks, M (Marquin)

#	Games	Start				End
1	2	Tournament Cape Town Chess Club Blitz 2018				Tournament Cape Town Chess Club Blitz 2018
		date 2018-04-24	rnd 5	type Blitz	result 1	date 2018-04-24	rnd 6	type Blitz	result 1
		Opponent Leiserowitz, M (Maurice)				Opponent Gyongy, I (Istvan)
2	1	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 6	type Blitz	result 1	date 2019-04-23	rnd 6	type Blitz	result 1
		Opponent Jegels, T (Tim)				Opponent Jegels, T (Tim)
3	1	Tournament Cape Town Chess Club Annual Blitz Championship 2019				Tournament Cape Town Chess Club Annual Blitz Championship 2019
		date 2019-04-23	rnd 2	type Blitz	result 1	date 2019-04-23	rnd 2	type Blitz	result 1
		Opponent Galleid, S (Stephen)				Opponent Galleid, S (Stephen)

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	Galleid ,S (Stephen)	4	2.5	106.2	2	1.5	212.5	0	0	0	2	1	0
1	Galleid ,S (Stephen)	4	1663.7	1769.9	2	1643.5	1876.2	0	0	0	2	1717.3	1663.7
2	Moore ,D (Darren)	2	1	0	2	1	0	0	0	0	0	0	0
2	Moore ,D (Darren)	2	1311.3	1311.3	2	1316.8	1311.3	0	0	0	0	0	0
3	Ohlson ,C (Cecil)	2	1	0	2	1	0	0	0	0	0	0	0
3	Ohlson ,C (Cecil)	2	1616.5	1616.5	2	1610.8	1616.5	0	0	0	0	0	0
4	Raubenheimer ,G (Granton)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
4	Raubenheimer ,G (Granton)	2	1414.8	1202.3	2	1420.2	1202.3	0	0	0	0	0	0
5	Shipley ,JM (Jarrad)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
5	Shipley ,JM (Jarrad)	2	1299.6	1087.1	2	1298.3	1087.1	0	0	0	0	0	0
6	Simon ,J (Jaden)	2	2	425	1	1	425	1	1	425	0	0	0
6	Simon ,J (Jaden)	2	1089.8	1514.8	1	1074.3	1514.8	1	1042.7	1514.8	0	0	0
7	Williams ,A (Aashiq)	2	2	425	1	1	425	1	1	425	0	0	0
7	Williams ,A (Aashiq)	2	1126.1	1551.1	1	946.6	1551.1	1	1019.8	1551.1	0	0	0
8	Jegels ,T (Tim)	2	2	425	1	1	425	0	0	0	1	1	425
8	Jegels ,T (Tim)	2	1199.4	1624.4	1	1200	1624.4	0	0	0	1	1200	1624.4
9	Leiserowitz ,M (Maurice)	2	2	425	1	1	425	0	0	0	1	1	425
9	Leiserowitz ,M (Maurice)	2	1310.2	1735.2	1	1252.9	1735.2	0	0	0	1	1381	1735.2
10	Pearson ,GEC (Grahame Edwin Crawford)	2	0	-425	1	0	-425	0	0	0	1	0	-425
10	Pearson ,GEC (Grahame Edwin Crawford)	2	1650.1	1225.1	1	1661.5	1225.1	0	0	0	1	1726.8	1225.1

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Paterson, J (Jonny)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms