Chess South Africa Ratings Database

PLAYER PAGE

Personal

Fredericks, J (Jean Pierre)

Chess SA id

109088305

FIDE id

Date of birth

2009-01-20 (U18)

Gender

Male

Region

Eden (WEG)

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	1162.3	1178.4	500	500
Raw rating	1162.3	1178.4	500	500
Weighted rating	1162.3	1178.4	500	500
Weighted performance	346.7	348.3	0	0
Floor	667	688.8	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	175	171	449.5	449.5
Highest rating	1200 2018-02-01	1201 2020-02-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1167 2020-03-01	1188.8 2020-03-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	1167 2024-11-01	1188.8 2024-11-01	500 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2018-02-01	1201 2020-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1162.3	1178.4	500	500
Analysis
Rating	1162.3	1178.4	500	500
Raw rating	1162.3	1178.4	500	500
Weighted rating	1162.3	1178.4	500
Weighted performance	346.7	348.3	0
K-factor	40	40	40	40
Floor	667	688.8	500	500
Max/Min rating change allowed	175	171	449.5	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	1162.3	1178.4	500	500
New weighted rating	1162.3	1178.4	500	500
New weighted performance	346.3	347.9	0	0
Temp new rating	1162.3	1178.4	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1162.3	1178.4	500	500
New K-factor	40	40	40	40
New floor	667	688.8	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	100	89	11

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	82	36	43.9	-51.8	1139.6	1087.8
Standard	71	35	49.3	-6	1125	1119
Rapid	11	1	9.09	-347.7	1233.7	886
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1162.3	1178.4	500	500
2025-09-01	1162.3	1178.4	500	500
2025-08-01	1162.3	1178.4	500	500
2025-07-01	1162.3	1178.4	500	500
2025-06-01	1162.3	1178.4	500	500
2025-05-01	1162.3	1178.4	500	500
2025-04-01	1162.3	1178.4	500	500
2025-03-01	1162.3	1178.4	500	500
2025-02-01	1162.3	1178.4	500	500
2025-01-01	1162.3	1178.4	500	500
2024-12-01	1162.3	1178.4	500	500
2024-11-01	1162.3	1178.4	500	500
2024-10-01	1162.3	1178.4	500	500
2024-09-01	1162.3	1178.4	500	500
2024-08-01	1162.3	1178.4	500	500
2024-07-01	1162.3	1178.4	500	500
2024-06-01	1162.3	1178.4	500	500
2024-08-01	1162.3	1178.4	500	500
2024-04-01	1162.3	1178.4	500	500
2024-03-01	1162.3	1178.4	500	500
2024-02-01	1162.3	1178.4	500	500
2024-01-01	1162.3	1178.4	500	500
2023-12-01	1162.3	1178.4	500	500
2023-11-01	1162.3	1178.4	500	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	Eden Schools Closed Trials 1 2020 (U11 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	2	Yes	Analysis
2	Hessequa Skaak Proewe 2 2020 (O11 Seuns)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	Hessequa Skaak Proewe 1 2020 (O11 Seuns)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	Hessequa Ontwikkelings Toernooi 2019 (B)	2019-11-01	2019-11-01	Standard	Eden (WEG)	6	5	3	Yes	Analysis
5	Western Cape Schools Kings & Queens 2019 (Boys)	2019-10-12	2019-10-12	Rapid	West Coast (WCU)	5	5	0	Yes	Analysis
6	Eden Top Schools 2019 (U11)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	4	2	Yes	Analysis
7	Oyster Rapid Chess Festival 2019	2019-06-30	2019-06-30	Rapid	Eden (WEG)	6	6	1	Yes	Analysis
8	Eden Trials 3 2019 (U12 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	2	Yes	Analysis
9	Eden Trials 2 2019 (U12 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	2	Yes	Analysis
10	Eden Trials 1 2019 (U12 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	2	Yes	Analysis
11	Hessequa Proewe 3 2019 (O12)	2019-02-23	2019-02-23	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Hessequa Proewe 2 2019 (O12)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	Hessequa Proewe 1 2019 (O12)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
14	Western Cape Top Schools 2018 (U7+U9 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	4	3	Yes	Analysis
15	EDENSC Closed 3 2018 (U10 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	4	1	Yes	Analysis
16	EDENSC Closed 2 2018 (U10 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	4	2	Yes	Analysis
17	EDENSC Closed 1 2018 (U10)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-01	rnd 5	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Fielies, C (Clayton)				Opponent Russell, A (Alex)
2	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndyundyu, K (Khanya)				Opponent De Beer, J (Jack)
3	2	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Venter, A (Adriaan)				Opponent Riddles, C (Clydon)

#	Games	Start				End
1	4	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-01	rnd 5	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Fielies, C (Clayton)				Opponent Russell, A (Alex)
2	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndyundyu, K (Khanya)				Opponent De Beer, J (Jack)
3	2	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Venter, A (Adriaan)				Opponent Riddles, C (Clydon)

#	Games	Start				End
1	1	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 6	type Rapid	result 1	date 2019-06-30	rnd 6	type Rapid	result 1
		Opponent Cornforth, K (Kayleigh)				Opponent Cornforth, K (Kayleigh)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-01	rnd 5	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Fielies, C (Clayton)				Opponent Russell, A (Alex)
2	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndyundyu, K (Khanya)				Opponent De Beer, J (Jack)
3	2	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Venter, A (Adriaan)				Opponent Riddles, C (Clydon)

#	Games	Start				End
1	4	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 2 2020
		date 2020-02-01	rnd 5	type Standard	result 1	date 2020-02-22	rnd 3	type Standard	result 1
		Opponent Fielies, C (Clayton)				Opponent Russell, A (Alex)
2	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 1	type Standard	result 1	date 2018-08-26	rnd 4	type Standard	result 1
		Opponent Ndyundyu, K (Khanya)				Opponent De Beer, J (Jack)
3	2	Tournament Hessequa Skaak Proewe 1 2020				Tournament Hessequa Skaak Proewe 1 2020
		date 2020-02-01	rnd 2	type Standard	result 1	date 2020-02-01	rnd 3	type Standard	result 1
		Opponent Venter, A (Adriaan)				Opponent Riddles, C (Clydon)

#	Games	Start				End
1	1	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 6	type Rapid	result 1	date 2019-06-30	rnd 6	type Rapid	result 1
		Opponent Cornforth, K (Kayleigh)				Opponent Cornforth, K (Kayleigh)

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	De Waal ,L (Liam)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	De Waal ,L (Liam)	2	1011	586	2	1027.2	586	0	0	0	0	0	0
2	Van Zyl ,H (Hendrik)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Zyl ,H (Hendrik)	2	1176.4	751.4	2	1169.6	751.4	0	0	0	0	0	0
3	De Waal ,E (Errol-Durand)	2	1	0	2	1	0	0	0	0	0	0	0
3	De Waal ,E (Errol-Durand)	2	1152.4	1152.4	2	1143.4	1152.4	0	0	0	0	0	0
4	Loftie Eaton ,A (Alexander)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Loftie Eaton ,A (Alexander)	2	1148.3	723.3	2	1143.8	723.3	0	0	0	0	0	0
5	Seconds ,V (Verno)	2	1	0	2	1	0	0	0	0	0	0	0
5	Seconds ,V (Verno)	2	1145.9	1145.9	2	1135.4	1145.9	0	0	0	0	0	0
6	Fielies ,C (Clayton)	2	2	425	2	2	425	0	0	0	0	0	0
6	Fielies ,C (Clayton)	2	1136.6	1561.6	2	1120.8	1561.6	0	0	0	0	0	0
7	Riddles ,C (Clydon)	2	1	0	2	1	0	0	0	0	0	0	0
7	Riddles ,C (Clydon)	2	1163.5	1163.5	2	1151.6	1163.5	0	0	0	0	0	0
8	Alexander ,P (Philidene)	2	2	425	2	2	425	0	0	0	0	0	0
8	Alexander ,P (Philidene)	2	1156.7	1581.7	2	1147.4	1581.7	0	0	0	0	0	0
9	Herman ,L (Leigh-Ray)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Herman ,L (Leigh-Ray)	2	1235.1	810.1	2	1251.8	810.1	0	0	0	0	0	0
10	Booysen ,S (Simon)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Booysen ,S (Simon)	2	1129.3	704.3	2	1123.7	704.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Fredericks, J (Jean Pierre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms