Chess South Africa Ratings Database

PLAYER PAGE

Personal

Davids, J (Justin)

Chess SA id

1050158912

FIDE id

Date of birth

2005-10-23 (Adult)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-07-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1207.6	1200	1211.2	1200
Raw rating	1207.6	1200	1211.2	1200
Weighted rating	1207.6	1200	1211.2	1200
Weighted performance	0	0	0	0
Floor	707.6	700	711.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	164	165.8	163.2	165.8
Highest rating	1207.6 2024-03-01	1200 2018-10-01	1291.7 2023-07-01	1200 2018-10-01
Highest raw rating	1207.6 2024-03-01	1200 2024-03-01	1211.2 2024-03-01	1200 2024-03-01
Highest weighted rating	1207.6 2025-06-01	1200 2018-10-01	1211.2 2025-06-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-03-01	1291.7 2023-07-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1207.6	1200	1211.2	1200
Analysis
Rating	1207.6	1200	1211.2	1200
Raw rating	1207.6	1200	1211.2	1200
Weighted rating	1207.6	1200	1211.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	707.6	700	711.2	700
Max/Min rating change allowed	164	165.8	163.2	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	1207.6	1200	1211.2	1200
New weighted rating	1207.6	1200	1211.2	1200
New weighted performance	0	0	0	0
Temp new rating	1207.6	1200	1211.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1207.6	1200	1211.2	1200
New K-factor	36	36	36	36
New floor	707.6	700	711.2	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	8	8
	0	0
	0	0
History	8	8

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	8	3.5	43.75	-53.1	1291.6	1238.5
Standard	0	0	0	0	0	0
Rapid	8	3.5	43.75	-53.1	1291.6	1238.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1207.6	1200	1211.2	1200
2025-09-01	1207.6	1200	1211.2	1200
2025-08-01	1207.6	1200	1211.2	1200
2025-07-01	1207.6	1200	1211.2	1200
2025-06-01	1207.6	1200	1211.2	1200
2025-05-01	1207.6	1200	1211.2	1200
2025-04-01	1207.6	1200	1211.2	1200
2025-03-01	1207.6	1200	1211.2	1200
2025-02-01	1207.6	1200	1211.2	1200
2025-01-01	1207.6	1200	1211.2	1200
2024-12-01	1207.6	1200	1211.2	1200
2024-11-01	1207.6	1200	1211.2	1200
2024-10-01	1207.6	1200	1211.2	1200
2024-09-01	1207.6	1200	1211.2	1200
2024-08-01	1207.6	1200	1211.2	1200
2024-07-01	1207.6	1200	1211.2	1200
2024-06-01	1207.6	1200	1211.2	1200
2024-08-01	1207.6	1200	1211.2	1200
2024-04-01	1207.6	1200	1211.2	1200
2024-03-01	1207.6	1200	1211.2	1200
2024-02-01	1207.6	1200	1211.2	1200
2024-01-01	1207.6	1200	1211.2	1200
2023-12-01	1207.6	1200	1211.2	1200
2023-11-01	1207.6	1200	1211.2	1200

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	CT Metro District North Top Schools Chess 2023 (U18 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	3	2	Yes	Analysis
2	CT Metro District East Top Schools Chess 2023 (U17+U19 Mixed)	2023-07-29	2023-07-29	Rapid	Cape Town (WCT)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Mutombo, M (Michel)				Opponent Maduna, L (Luphumzo)
2	2	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 0.5	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Diedericks, J (Jordan)				Opponent Valentyn, S (Shuaib Farouk)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Mutombo, M (Michel)				Opponent Maduna, L (Luphumzo)
2	2	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 1	type Rapid	result 0.5	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Diedericks, J (Jordan)				Opponent Valentyn, S (Shuaib Farouk)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Mutombo, M (Michel)				Opponent Maduna, L (Luphumzo)
2	1	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Valentyn, S (Shuaib Farouk)				Opponent Valentyn, S (Shuaib Farouk)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament CT Metro District North Top Schools Chess 2023				Tournament CT Metro District North Top Schools Chess 2023
		date 2023-07-29	rnd 4	type Rapid	result 1	date 2023-07-29	rnd 5	type Rapid	result 1
		Opponent Mutombo, M (Michel)				Opponent Maduna, L (Luphumzo)
2	1	Tournament CT Metro District East Top Schools Chess 2023				Tournament CT Metro District East Top Schools Chess 2023
		date 2023-07-29	rnd 2	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 1
		Opponent Valentyn, S (Shuaib Farouk)				Opponent Valentyn, S (Shuaib Farouk)

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	Diedericks ,J (Jordan)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
1	Diedericks ,J (Jordan)	1	1270.1	1270.1	0	0	0	1	1243.2	1270.1	0	0	0
2	Bell ,A (Ayakha)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Bell ,A (Ayakha)	1	1664.2	1239.2	0	0	0	1	1448	1239.2	0	0	0
3	Fredericks ,Y (Yumnah)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Fredericks ,Y (Yumnah)	1	1162.8	737.8	0	0	0	1	1200	737.8	0	0	0
4	Blauw ,S (Siyamthanda)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Blauw ,S (Siyamthanda)	1	1543.7	1118.7	0	0	0	1	1534	1118.7	0	0	0
5	Shinny ,M (Mdzanga)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Shinny ,M (Mdzanga)	1	1091.1	666.1	0	0	0	1	1200	666.1	0	0	0
6	Valentyn ,S (Shuaib Farouk)	1	1	425	0	0	0	1	1	425	0	0	0
6	Valentyn ,S (Shuaib Farouk)	1	1200.7	1625.7	0	0	0	1	1200	1625.7	0	0	0
7	Maduna ,L (Luphumzo)	1	1	425	0	0	0	1	1	425	0	0	0
7	Maduna ,L (Luphumzo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Mutombo ,M (Michel)	1	1	425	0	0	0	1	1	425	0	0	0
8	Mutombo ,M (Michel)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Davids, J (Justin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms