Chess South Africa Ratings Database

PLAYER PAGE

Personal

Fredericks, J (Jonathan)

Chess SA id

175071006

FIDE id

Date of birth

1975-07-14 (Adult)

Gender

Male

Region

Amathole (EAL)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-04-30

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1576.4	1588.2	870.3	1417.6
Raw rating	1576.4	1588.2	870.3	1417.6
Weighted rating	1574.1	1582.4	868.2	1413.4
Weighted performance	687.6	0	0	0
Floor	1076.4	1088.2	500	917.6
K-factor	32	32	40	32
Min/Max rating change allowed	97	95.4	265.2	121.6
Highest rating	1576.4 2024-02-01	1588.2 2024-02-01	1200 2020-01-01	1503.4 2019-10-01
Highest raw rating	1576.4 2024-02-01	1588.2 2024-02-01	870.3 2024-02-01	1417.6 2024-02-01
Highest weighted rating	1568.6 2025-08-01	1568.9 2025-08-01	870.3 2024-11-01	1403.7 2025-08-01
Highest weighted performance	1501.3 2020-03-01	1540.6 2020-03-01	1200 2020-01-01	1503.4 2019-10-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1576.4	1588.2	870.3	1417.6
Analysis
Rating	1576.4	1588.2	870.3	1417.6
Raw rating	1576.4	1588.2	870.3	1417.6
Weighted rating	1574.1	1582.4	868.2
Weighted performance	687.6	0	0
K-factor	32	32	40	32
Floor	1076.4	1088.2	500	917.6
Max/Min rating change allowed	97	95.4	265.2	121.6
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	1576.4	1588.2	870.3	1417.6
New weighted rating	1575.6	1586.3	869.6	1416.2
New weighted performance	681.3	0	0	0
Temp new rating	1576.4	1588.2	870.3	1417.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1576.4	1588.2	870.3	1417.6
New K-factor	32	32	40	32
New floor	1076.4	1088.2	500	917.6

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	4	0	4	0
	17	10	0	7
History	47	20	11	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Amathole (EAL)
Province	Eastern Cape (EC)
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	35	23.5	67.14	145.7	1385.8	1531.5
Standard	15	10.5	70	170	1384.5	1554.5
Rapid	4	2	50	0	1083.5	1083.5
Blitz	16	11	68.75	159.4	1462.5	1621.9

Date	Main	Standard	Rapid	Blitz
2025-09-30	1576.4	1588.2	870.3	1417.6
2025-09-01	1576.4	1588.2	870.3	1417.6
2025-08-01	1576.4	1588.2	870.3	1417.6
2025-07-01	1576.4	1588.2	870.3	1417.6
2025-06-01	1576.4	1588.2	870.3	1417.6
2025-05-01	1576.4	1588.2	870.3	1417.6
2025-04-01	1576.4	1588.2	870.3	1417.6
2025-03-01	1576.4	1588.2	870.3	1417.6
2025-02-01	1576.4	1588.2	870.3	1417.6
2025-01-01	1576.4	1588.2	870.3	1417.6
2024-12-01	1576.4	1588.2	870.3	1417.6
2024-11-01	1576.4	1588.2	870.3	1417.6
2024-10-01	1576.4	1588.2	870.3	1417.6
2024-09-01	1576.4	1588.2	870.3	1417.6
2024-08-01	1576.4	1588.2	870.3	1417.6
2024-07-01	1576.4	1588.2	870.3	1417.6
2024-06-01	1576.4	1588.2	870.3	1417.6
2024-08-01	1576.4	1588.2	870.3	1417.6
2024-04-01	1576.4	1588.2	870.3	1417.6
2024-03-01	1576.4	1588.2	870.3	1417.6
2024-02-01	1576.4	1588.2	870.3	1417.6
2024-01-01	1576.4	1588.2	870.3	1417.6
2023-12-01	1342.6	1010.6	659	998.2
2023-11-01	1342.6	1010.6	659	998.2

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	Makhanda Open Chess Tournament 2022 (A)	2022-04-30	2022-04-30	Rapid	Sarah Baartman (ESB)	6	4	2	Yes	Analysis
2	UFH Heritage Open 2021 (A)	2021-10-16	2021-10-17	Standard	Amathole (EAL)	5	5	3	Yes	Analysis
3	UFH Heritage Open 2021 (Blitz)	2021-10-17	2021-10-17	Blitz	Amathole (EAL)	7	7	4	Yes	Analysis
4	Alice Cup 2021 (Elite)	2021-05-29	2021-05-29	Standard	Amathole (EAL)	5	5	4	Yes	Analysis
5	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	3.5	Yes	Analysis
6	2019 UFH Heritage (Blitz)	2019-10-05	2019-10-05	Blitz	Amathole (EAL)	9	9	7	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2019 UFH Heritage				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2019-10-05	rnd 6	type Blitz	result 1	date 2020-03-15	rnd 4	type Standard	result 0.5
		Opponent Ndlovu, T (Terence)				Opponent Mafongosi, X (Xhanti)
2	5	Tournament Alice Cup 2021				Tournament UFH Heritage Open 2021
		date 2021-05-29	rnd 2	type Standard	result 1	date 2021-10-16	rnd 1	type Standard	result 1
		Opponent Peter, AA (Aviwe)				Opponent Mxenge, A (Afika)
3	4	Tournament UFH Heritage Open 2021				Tournament Makhanda Open Chess Tournament 2022
		date 2021-10-17	rnd 7	type Blitz	result 1	date 2022-04-30	rnd 3	type Rapid	result 0.5
		Opponent Mokitimi, U (Unathi)				Opponent Booysen, L (Leon)

#	Games	Start				End
1	5	Tournament Alice Cup 2021				Tournament UFH Heritage Open 2021
		date 2021-05-29	rnd 2	type Standard	result 1	date 2021-10-16	rnd 1	type Standard	result 1
		Opponent Peter, AA (Aviwe)				Opponent Mxenge, A (Afika)
2	4	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-15	rnd 4	type Standard	result 0.5
		Opponent Blignaut, J (Jordan)				Opponent Mafongosi, X (Xhanti)
3	2	Tournament UFH Heritage Open 2021				Tournament UFH Heritage Open 2021
		date 2021-10-16	rnd 4	type Standard	result 1	date 2021-10-17	rnd 5	type Standard	result 1
		Opponent Wababa, L (Lumanyano)				Opponent Zenani, S (Sibabalwe)

#	Games	Start				End
1	2	Tournament Makhanda Open Chess Tournament 2022				Tournament Makhanda Open Chess Tournament 2022
		date 2022-04-30	rnd 2	type Rapid	result 1	date 2022-04-30	rnd 3	type Rapid	result 0.5
		Opponent Fosini, L (Lilitha)				Opponent Booysen, L (Leon)
2	1	Tournament Makhanda Open Chess Tournament 2022				Tournament Makhanda Open Chess Tournament 2022
		date 2022-04-30	rnd 5	type Rapid	result 0.5	date 2022-04-30	rnd 5	type Rapid	result 0.5
		Opponent Tsholisi, B (Bukho)				Opponent Tsholisi, B (Bukho)

#	Games	Start				End
1	5	Tournament 2019 UFH Heritage				Tournament UFH Heritage Open 2021
		date 2019-10-05	rnd 6	type Blitz	result 1	date 2021-10-17	rnd 1	type Blitz	result 1
		Opponent Ndlovu, T (Terence)				Opponent Tokwe, L (Luvolwethu)
2	3	Tournament UFH Heritage Open 2021				Tournament UFH Heritage Open 2021
		date 2021-10-17	rnd 3	type Blitz	result 1	date 2021-10-17	rnd 5	type Blitz	result 0.5
		Opponent Mokitimi, T (Thapelo)				Opponent Mkoko, S (Siphamandla)
3	3	Tournament 2019 UFH Heritage				Tournament 2019 UFH Heritage
		date 2019-10-05	rnd 1	type Blitz	result 1	date 2019-10-05	rnd 3	type Blitz	result 1
		Opponent August, S (Siyolise)				Opponent Totose, Z (Zimi)

#	Games	Start				End
1	7	Tournament 2019 UFH Heritage				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2019-10-05	rnd 6	type Blitz	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Ndlovu, T (Terence)				Opponent Muller, K (Kaden)
2	5	Tournament Alice Cup 2021				Tournament UFH Heritage Open 2021
		date 2021-05-29	rnd 2	type Standard	result 1	date 2021-10-16	rnd 1	type Standard	result 1
		Opponent Peter, AA (Aviwe)				Opponent Mxenge, A (Afika)
3	3	Tournament UFH Heritage Open 2021				Tournament Makhanda Open Chess Tournament 2022
		date 2021-10-17	rnd 7	type Blitz	result 1	date 2022-04-30	rnd 2	type Rapid	result 1
		Opponent Mokitimi, U (Unathi)				Opponent Fosini, L (Lilitha)

#	Games	Start				End
1	5	Tournament Alice Cup 2021				Tournament UFH Heritage Open 2021
		date 2021-05-29	rnd 2	type Standard	result 1	date 2021-10-16	rnd 1	type Standard	result 1
		Opponent Peter, AA (Aviwe)				Opponent Mxenge, A (Afika)
2	3	Tournament 2020 Boardwalk Pearson Open Chess Festival				Tournament 2020 Boardwalk Pearson Open Chess Festival
		date 2020-03-14	rnd 1	type Standard	result 1	date 2020-03-14	rnd 3	type Standard	result 1
		Opponent Blignaut, J (Jordan)				Opponent Muller, K (Kaden)
3	2	Tournament UFH Heritage Open 2021				Tournament UFH Heritage Open 2021
		date 2021-10-16	rnd 4	type Standard	result 1	date 2021-10-17	rnd 5	type Standard	result 1
		Opponent Wababa, L (Lumanyano)				Opponent Zenani, S (Sibabalwe)

#	Games	Start				End
1	1	Tournament Makhanda Open Chess Tournament 2022				Tournament Makhanda Open Chess Tournament 2022
		date 2022-04-30	rnd 2	type Rapid	result 1	date 2022-04-30	rnd 2	type Rapid	result 1
		Opponent Fosini, L (Lilitha)				Opponent Fosini, L (Lilitha)

#	Games	Start				End
1	5	Tournament 2019 UFH Heritage				Tournament UFH Heritage Open 2021
		date 2019-10-05	rnd 6	type Blitz	result 1	date 2021-10-17	rnd 1	type Blitz	result 1
		Opponent Ndlovu, T (Terence)				Opponent Tokwe, L (Luvolwethu)
2	3	Tournament 2019 UFH Heritage				Tournament 2019 UFH Heritage
		date 2019-10-05	rnd 1	type Blitz	result 1	date 2019-10-05	rnd 3	type Blitz	result 1
		Opponent August, S (Siyolise)				Opponent Totose, Z (Zimi)
3	1	Tournament UFH Heritage Open 2021				Tournament UFH Heritage Open 2021
		date 2021-10-17	rnd 7	type Blitz	result 1	date 2021-10-17	rnd 7	type Blitz	result 1
		Opponent Mokitimi, U (Unathi)				Opponent Mokitimi, U (Unathi)

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	Zenani ,S (Sibabalwe)	2	1	0	2	1	0	0	0	0	0	0	0
1	Zenani ,S (Sibabalwe)	2	1275.2	1275.2	2	1259.9	1275.2	0	0	0	0	0	0
2	Wababa ,L (Lumanyano)	2	2	425	2	2	425	0	0	0	0	0	0
2	Wababa ,L (Lumanyano)	2	1181.2	1606.2	2	1210.8	1606.2	0	0	0	0	0	0
3	Malgas ,GL (Glenwell Lesley)	2	0.5	-212.5	1	0	-425	0	0	0	1	0.5	0
3	Malgas ,GL (Glenwell Lesley)	2	1743	1530.5	1	1756.4	1318	0	0	0	1	1570.8	1743
4	Odendaal ,F (Frederick)	2	0	-425	1	0	-425	0	0	0	1	0	-425
4	Odendaal ,F (Frederick)	2	1937.3	1512.3	1	1924.6	1512.3	0	0	0	1	1975.2	1512.3
5	Naidoo ,K (Kajol)	1	1	425	1	1	425	0	0	0	0	0	0
5	Naidoo ,K (Kajol)	1	1316.8	1741.8	1	1312.3	1741.8	0	0	0	0	0	0
6	Tokoyi ,R (Romeo)	1	1	425	1	1	425	0	0	0	0	0	0
6	Tokoyi ,R (Romeo)	1	1310.6	1735.6	1	1341.4	1735.6	0	0	0	0	0	0
7	Mxenge ,A (Afika)	1	1	425	1	1	425	0	0	0	0	0	0
7	Mxenge ,A (Afika)	1	1343.3	1768.3	1	1354	1768.3	0	0	0	0	0	0
8	Peter ,AA (Aviwe)	1	1	425	1	1	425	0	0	0	0	0	0
8	Peter ,AA (Aviwe)	1	1364.3	1789.3	1	1364.3	1789.3	0	0	0	0	0	0
9	Mafongosi ,X (Xhanti)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Mafongosi ,X (Xhanti)	1	1404.4	1404.4	1	1422.2	1404.4	0	0	0	0	0	0
10	Somco ,L (Linokuhle)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Somco ,L (Linokuhle)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Fredericks, J (Jonathan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms