Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Jager, D (Diane)

Chess SA id

208078255

FIDE id

Date of birth

2008-05-04 (U18)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-05-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	706.4	663.2	650.4	544
Raw rating	706.4	663.2	650.4	544
Weighted rating	706.4	663.2	650.4	544
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	335	356.3	362.8	422.2
Highest rating	1200 2018-02-01	1256.4 2018-05-01	1200 2018-02-01	1200 2024-03-01
Highest raw rating	706.4 2024-03-01	663.2 2024-03-01	650.4 2024-03-01	544 2024-03-01
Highest weighted rating	706.4 2024-11-01	663.2 2024-11-01	650.4 2024-11-01	544 2024-11-01
Highest weighted performance	1200 2018-02-01	1256.4 2018-05-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	706.4	663.2	650.4	544
Analysis
Rating	706.4	663.2	650.4	544
Raw rating	706.4	663.2	650.4	544
Weighted rating	706.4	663.2	650.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	335	356.3	362.8	422.2
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	706.4	663.2	650.4	544
New weighted rating	706.4	663.2	650.4	544
New weighted performance	0	0	0	0
Temp new rating	706.4	663.2	650.4	544
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	706.4	663.2	650.4	544
New K-factor	40	40	40	40
New floor	500	500	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	32	25	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	12	6	50	0	1120.3	1120.3
Standard	5	3	60	85	1145.3	1230.3
Rapid	7	3	42.86	-60.7	1102.5	1041.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	706.4	663.2	650.4	544
2025-09-01	706.4	663.2	650.4	544
2025-08-01	706.4	663.2	650.4	544
2025-07-01	706.4	663.2	650.4	544
2025-06-01	706.4	663.2	650.4	544
2025-05-01	706.4	663.2	650.4	544
2025-04-01	706.4	663.2	650.4	544
2025-03-01	706.4	663.2	650.4	544
2025-02-01	706.4	663.2	650.4	544
2025-01-01	706.4	663.2	650.4	544
2024-12-01	706.4	663.2	650.4	544
2024-11-01	706.4	663.2	650.4	544
2024-10-01	706.4	663.2	650.4	544
2024-09-01	706.4	663.2	650.4	544
2024-08-01	706.4	663.2	650.4	544
2024-07-01	706.4	663.2	650.4	544
2024-06-01	706.4	663.2	650.4	544
2024-08-01	706.4	663.2	650.4	544
2024-04-01	706.4	663.2	650.4	544
2024-03-01	706.4	663.2	650.4	544
2024-02-01	706.4	663.2	650.4	544
2024-01-01	706.4	663.2	650.4	544
2023-12-01	706.4	663.2	650.4	544
2023-11-01	706.4	663.2	650.4	544

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	4th Buffalo Trials 2018 (U12B)	2018-05-05	2018-05-05	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
2	3rd Buffalo Trials 2018 (U12B+U14B)	2018-04-14	2018-04-14	Rapid	Buffalo City (EBC)	7	7	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament 4th Buffalo Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent De Kock, T (Tagon)				Opponent Mortimer, M (Maria)
2	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 3	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Du Preez, S (Stefan)				Opponent Nel, C (Christiaan)
3	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 6	type Rapid	result 1
		Opponent Lee, C (Chantell)				Opponent Lee, C (Chantell)

#	Games	Start				End
1	3	Tournament 4th Buffalo Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent De Kock, T (Tagon)				Opponent Mortimer, M (Maria)

#	Games	Start				End
1	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 3	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Du Preez, S (Stefan)				Opponent Nel, C (Christiaan)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 6	type Rapid	result 1
		Opponent Lee, C (Chantell)				Opponent Lee, C (Chantell)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 4th Buffalo Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent De Kock, T (Tagon)				Opponent Mortimer, M (Maria)
2	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 3	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Du Preez, S (Stefan)				Opponent Nel, C (Christiaan)
3	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 6	type Rapid	result 1
		Opponent Lee, C (Chantell)				Opponent Lee, C (Chantell)

#	Games	Start				End
1	3	Tournament 4th Buffalo Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-05-05	rnd 2	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent De Kock, T (Tagon)				Opponent Mortimer, M (Maria)

#	Games	Start				End
1	2	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 3	type Rapid	result 1	date 2018-04-14	rnd 4	type Rapid	result 1
		Opponent Du Preez, S (Stefan)				Opponent Nel, C (Christiaan)
2	1	Tournament 3rd Buffalo Trials 2018				Tournament 3rd Buffalo Trials 2018
		date 2018-04-14	rnd 6	type Rapid	result 1	date 2018-04-14	rnd 6	type Rapid	result 1
		Opponent Lee, C (Chantell)				Opponent Lee, C (Chantell)

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	Mortimer ,M (Maria)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mortimer ,M (Maria)	1	1189.8	1614.8	1	1201.6	1614.8	0	0	0	0	0	0
2	De Kock ,T (Tagon)	1	1	425	1	1	425	0	0	0	0	0	0
2	De Kock ,T (Tagon)	1	1102.2	1527.2	1	1132.8	1527.2	0	0	0	0	0	0
3	Kameli ,J (Jondre)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kameli ,J (Jondre)	1	1167.4	742.4	1	1160.3	742.4	0	0	0	0	0	0
4	Ntenteni ,E (Esobomi)	1	1	425	1	1	425	0	0	0	0	0	0
4	Ntenteni ,E (Esobomi)	1	1211.8	1636.8	1	1212.4	1636.8	0	0	0	0	0	0
5	Ndumndum ,L (Lelami)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ndumndum ,L (Lelami)	1	1055.5	630.5	1	1141.6	630.5	0	0	0	0	0	0
6	Du Toit ,G (Gabriel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Du Toit ,G (Gabriel)	1	1202.7	777.7	0	0	0	1	1200	777.7	0	0	0
7	Du Preez ,S (Stefan)	1	1	425	0	0	0	1	1	425	0	0	0
7	Du Preez ,S (Stefan)	1	1134.3	1559.3	0	0	0	1	1200	1559.3	0	0	0
8	Nkwali ,S (Sitha)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Nkwali ,S (Sitha)	1	1201.3	776.3	0	0	0	1	1200	776.3	0	0	0
9	Basin ,L (Louis)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Basin ,L (Louis)	1	1215.1	790.1	0	0	0	1	1200	790.1	0	0	0
10	Lee ,C (Chantell)	1	1	425	0	0	0	1	1	425	0	0	0
10	Lee ,C (Chantell)	1	1109.7	1534.7	0	0	0	1	1200	1534.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

De Jager, D (Diane)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms