Chess South Africa Ratings Database

PLAYER PAGE

Personal

Adams, J (Jedediah)

Chess SA id

104092951

FIDE id

Date of birth

2004-08-15 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-12-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1230.4	1262.9	1093.2	1185.6
Raw rating	1230.4	1262.9	1093.2	1185.6
Weighted rating	1230.4	1262.9	1093.2	1185.6
Weighted performance	742.3	757	0	0
Floor	811.2	815.1	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.8	151.6	193.1	169.3
Highest rating	1311.2 2021-11-01	1315.1 2021-11-01	1200 2018-10-01	1211.2 2022-07-01
Highest raw rating	1311.2 2021-11-01	1315.1 2021-11-01	1200 2018-02-01	1200 2020-01-01
Highest weighted rating	1311.2 2022-07-01	1315.1 2022-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1262.3 2020-02-01	1259.4 2020-02-01	1200 2018-02-01	1211.2 2022-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1230.4	1262.9	1093.2	1185.6
Analysis
Rating	1230.4	1262.9	1093.2	1185.6
Raw rating	1230.4	1262.9	1093.2	1185.6
Weighted rating	1230.4	1262.9	1093.2
Weighted performance	742.3	757	0
K-factor	36	36	36	36
Floor	811.2	815.1	700	700
Max/Min rating change allowed	158.8	151.6	193.1	169.3
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	1230.4	1262.9	1093.2	1185.6
New weighted rating	1230.4	1262.9	1093.2	1185.6
New weighted performance	735.2	749.4	0	0
Temp new rating	1230.4	1262.9	1093.2	1185.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1230.4	1262.9	1093.2	1185.6
New K-factor	36	36	36	36
New floor	811.2	815.1	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	40	21	9	10
	10	10	0	0
History	118	95	13	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Eden (WEG)
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	113	57	50.44	3.8	1226.5	1230.3
Standard	90	49	54.44	37.8	1206.4	1244.2
Rapid	13	4.5	34.62	-130.8	1206.9	1076.1
Blitz	10	3.5	35	-127.5	1433.2	1305.7

Date	Main	Standard	Rapid	Blitz
2025-11-01	1230.4	1262.9	1093.2	1185.6
2025-09-30	1230.4	1262.9	1093.2	1185.6
2025-09-01	1230.4	1262.9	1093.2	1185.6
2025-08-01	1230.4	1262.9	1093.2	1185.6
2025-07-01	1230.4	1262.9	1093.2	1185.6
2025-06-01	1230.4	1262.9	1093.2	1185.6
2025-05-01	1230.4	1262.9	1093.2	1185.6
2025-04-01	1230.4	1262.9	1093.2	1185.6
2025-03-01	1230.4	1262.9	1093.2	1185.6
2025-02-01	1230.4	1262.9	1093.2	1185.6
2025-01-01	1230.4	1262.9	1093.2	1185.6
2024-12-01	1230.4	1262.9	1093.2	1185.6
2024-11-01	1230.4	1262.9	1093.2	1185.6
2024-10-01	1230.4	1262.9	1093.2	1185.6
2024-09-01	1230.4	1262.9	1093.2	1185.6
2024-08-01	1230.4	1262.9	1093.2	1185.6
2024-07-01	1230.4	1262.9	1093.2	1185.6
2024-09-01	1230.4	1262.9	1093.2	1185.6
2024-05-01	1230.4	1262.9	1093.2	1185.6
2024-04-01	1230.4	1262.9	1093.2	1185.6
2024-03-01	1230.4	1262.9	1093.2	1185.6
2024-02-01	1230.4	1262.9	1093.2	1185.6
2024-01-01	1230.4	1262.9	1093.2	1185.6
2023-12-01	1230.4	1262.9	1093.2	1185.6

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	George Open 2022 (B)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	4	2	Yes	Analysis
2	Hessequa Ontwikkeling 2022 (Hoerskole)	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	5	3	Yes	Analysis
3	South African Open 2022 (B)	2022-07-09	2022-07-17	Standard	Cape Town (WCT)	11	11	3.5	Yes	Analysis
4	South African Open 2022 (U20)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
5	South African Open 2022 (Blitz)	2022-07-14	2022-07-14	Blitz	Cape Town (WCT)	10	10	3.5	Yes	Analysis
6	Knysna Oyster Festival Rapid Chess 2022 (A)	2022-07-02	2022-07-02	Rapid	Eden (WEG)	5	4	0.5	Yes	Analysis
7	Western Cape Club Championships 2021 (B)	2021-10-15	2021-10-17	Standard	Eden (WEG)	6	6	5	Yes	Analysis
8	Eden Chess League 2021 (1st Division)	2021-08-14	2021-08-15	Standard	Eden (WEG)	5	4	1	Yes	Analysis
9	Eden Schools Closed Trials 1 2020 (U18 Boys)	2020-03-07	2020-03-07	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
10	Hessequa Skaak Proewe 2 2020 (O18+O20 Seuns)	2020-02-22	2020-02-22	Standard	Eden (WEG)	5	5	3	Yes	Analysis
11	Hessequa Skaak Proewe 1 2020 (O18+O20 Seuns)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Hessequa Ontwikkelings Toernooi 2019 (A)	2019-11-01	2019-11-01	Standard	Eden (WEG)	6	6	4	Yes	Analysis
13	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	5	1	Yes	Analysis
14	Eden Top Schools 2019 (U15)	2019-07-20	2019-07-20	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
15	Eden Trials 3 2019 (U16 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
16	Eden Trials 2 2019 (U16 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	4	2	Yes	Analysis
17	Eden Trials 1 2019 (U16 Open)	2019-03-02	2019-03-02	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
18	Hessequa Proewe 2 2019 (O16)	2019-02-16	2019-02-16	Standard	Eden (WEG)	5	5	4	Yes	Analysis
19	Hessequa Proewe 1 2019 (O16)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
20	Western Cape Kings & Queens 2018 (Boys)	2018-10-20	2018-10-20	Rapid	Cape Winelands (WCW)	5	4	1	Yes	Analysis
21	Eden Top Schools 2018 (U17 Mix)	2018-07-28	2018-07-28	Standard	Eden (WEG)	5	4	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Western Cape Club Championships 2021				Tournament Western Cape Club Championships 2021
		date 2021-10-16	rnd 2	type Standard	result 1	date 2021-10-17	rnd 6	type Standard	result 1
		Opponent Van Zyl, M (Mea)				Opponent Louw, LT (Llewellyn)
2	5	Tournament Eden Trials 1 2019				Tournament Eden Trials 2 2019
		date 2019-03-02	rnd 2	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Oosthuizen, H (Haygan)				Opponent Stuurman, L (Luciano)
3	4	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 5	type Standard	result 0.5
		Opponent Alexander, TD (Tristan Dean)				Opponent Van Aswegen, H (Herano)

#	Games	Start				End
1	6	Tournament Western Cape Club Championships 2021				Tournament South African Open 2022
		date 2021-10-16	rnd 2	type Standard	result 1	date 2022-07-09	rnd 1	type Standard	result 1
		Opponent Van Zyl, M (Mea)				Opponent Dinham, M (Megan)
2	5	Tournament Eden Trials 1 2019				Tournament Eden Trials 2 2019
		date 2019-03-02	rnd 2	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Oosthuizen, H (Haygan)				Opponent Stuurman, L (Luciano)
3	5	Tournament Eden Top Schools 2018				Tournament Hessequa Proewe 1 2019
		date 2018-07-28	rnd 3	type Standard	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Meyer, L (Lucian)				Opponent Juta, P (Paulincia)

#	Games	Start				End
1	2	Tournament Knysna Oyster Festival Rapid Chess 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-07-02	rnd 5	type Rapid	result 0.5	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Stuurman, L (Luciano)				Opponent Eksteen, W (Wilbur)
2	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Eksteen, B (Beaunathan)				Opponent Eksteen, B (Beaunathan)
3	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Sauls, S (Shalmino)				Opponent Sauls, S (Shalmino)

#	Games	Start				End
1	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 9	type Blitz	result 1	date 2022-07-14	rnd 9	type Blitz	result 1
		Opponent Greeff, R (Reginald)				Opponent Greeff, R (Reginald)
2	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 7	type Blitz	result 1	date 2022-07-14	rnd 7	type Blitz	result 1
		Opponent Cheong, S (Samuel)				Opponent Cheong, S (Samuel)
3	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 5	type Blitz	result 0.5	date 2022-07-14	rnd 5	type Blitz	result 0.5
		Opponent Oberholzer, JD (Dev)				Opponent Oberholzer, JD (Dev)

#	Games	Start				End
1	5	Tournament Western Cape Club Championships 2021				Tournament Western Cape Club Championships 2021
		date 2021-10-16	rnd 2	type Standard	result 1	date 2021-10-17	rnd 6	type Standard	result 1
		Opponent Van Zyl, M (Mea)				Opponent Louw, LT (Llewellyn)
2	4	Tournament Western Cape Kings & Queens 2018				Tournament Hessequa Proewe 1 2019
		date 2018-10-20	rnd 5	type Rapid	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Zondi, W (Wandile)				Opponent Juta, P (Paulincia)
3	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Alexander, TD (Tristan Dean)				Opponent Booysen, J (Jeremia)

#	Games	Start				End
1	6	Tournament Western Cape Club Championships 2021				Tournament South African Open 2022
		date 2021-10-16	rnd 2	type Standard	result 1	date 2022-07-09	rnd 1	type Standard	result 1
		Opponent Van Zyl, M (Mea)				Opponent Dinham, M (Megan)
2	5	Tournament Eden Top Schools 2018				Tournament Hessequa Proewe 1 2019
		date 2018-07-28	rnd 3	type Standard	result 1	date 2019-01-26	rnd 3	type Standard	result 1
		Opponent Meyer, L (Lucian)				Opponent Juta, P (Paulincia)
3	3	Tournament Eden Schools Closed Trials 1 2020				Tournament Eden Schools Closed Trials 1 2020
		date 2020-03-07	rnd 2	type Standard	result 1	date 2020-03-07	rnd 4	type Standard	result 1
		Opponent Alexander, TD (Tristan Dean)				Opponent Booysen, J (Jeremia)

#	Games	Start				End
1	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 5	type Rapid	result 1
		Opponent Eksteen, B (Beaunathan)				Opponent Eksteen, B (Beaunathan)
2	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 1
		Opponent Sauls, S (Shalmino)				Opponent Sauls, S (Shalmino)
3	1	Tournament Hessequa Ontwikkeling 2022				Tournament Hessequa Ontwikkeling 2022
		date 2022-10-22	rnd 1	type Rapid	result 1	date 2022-10-22	rnd 1	type Rapid	result 1
		Opponent Eksteen, W (Wilbur)				Opponent Eksteen, W (Wilbur)

#	Games	Start				End
1	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 9	type Blitz	result 1	date 2022-07-14	rnd 9	type Blitz	result 1
		Opponent Greeff, R (Reginald)				Opponent Greeff, R (Reginald)
2	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 7	type Blitz	result 1	date 2022-07-14	rnd 7	type Blitz	result 1
		Opponent Cheong, S (Samuel)				Opponent Cheong, S (Samuel)
3	1	Tournament South African Open 2022				Tournament South African Open 2022
		date 2022-07-14	rnd 1	type Blitz	result 1	date 2022-07-14	rnd 1	type Blitz	result 1
		Opponent Meyer, PJ (Pravin)				Opponent Meyer, PJ (Pravin)

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	Stuurman ,L (Luciano)	4	3.5	318.8	3	3	425	1	0.5	0	0	0	0
1	Stuurman ,L (Luciano)	4	1215.3	1534.1	3	1222.6	1640.3	1	982.6	1215.3	0	0	0
2	Adams ,L (Leonard)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
2	Adams ,L (Leonard)	3	1307.6	1307.6	3	1281.9	1307.6	0	0	0	0	0	0
3	Blaauw ,L (Lucin)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
3	Blaauw ,L (Lucin)	3	1163.8	1305.4	3	1156.3	1305.4	0	0	0	0	0	0
4	Kleinhans ,T (Theo)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Kleinhans ,T (Theo)	3	1381.7	956.7	3	1378.5	956.7	0	0	0	0	0	0
5	Sefoor ,F (Fayden)	2	2	425	2	2	425	0	0	0	0	0	0
5	Sefoor ,F (Fayden)	2	1029.6	1454.6	2	1032.2	1454.6	0	0	0	0	0	0
6	Joseph ,J (Jo-Handre)	2	2	425	2	2	425	0	0	0	0	0	0
6	Joseph ,J (Jo-Handre)	2	1120.9	1545.9	2	1106.6	1545.9	0	0	0	0	0	0
7	Joseph ,C (Christopher)	2	1	0	2	1	0	0	0	0	0	0	0
7	Joseph ,C (Christopher)	2	1087.2	1087.2	2	1093.8	1087.2	0	0	0	0	0	0
8	Heynse ,C (Christiano)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Heynse ,C (Christiano)	2	1422.5	1210	2	1418.8	1210	0	0	0	0	0	0
9	Mizen ,D (Daniel)	2	1	0	1	1	425	0	0	0	1	0	-425
9	Mizen ,D (Daniel)	2	1212	1212	1	1191.6	1637	0	0	0	1	1200	787
10	Saal ,M (Migael)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Saal ,M (Migael)	1	1010	585	1	1009.8	585	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

Adams, J (Jedediah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms