Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Klerk, D (Duran)

Chess SA id

199050705

FIDE id

Date of birth

1999-10-05 (Adult)

Gender

Male

Region

Cape Winelands (WCW)

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	1120	1122.8	1170.4	1200
Raw rating	1120	1122.8	1170.4	1200
Weighted rating	1120	1122.8	1170.4	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	185.8	185.1	173	165.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01
Highest weighted performance	1200 2024-12-01	1200 2018-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1120	1122.8	1170.4	1200
Analysis
Rating	1120	1122.8	1170.4	1200
Raw rating	1120	1122.8	1170.4	1200
Weighted rating	1120	1122.8	1170.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	185.8	185.1	173	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	1120	1122.8	1170.4	1200
New weighted rating	1120	1122.8	1170.4	1200
New weighted performance	0	0	0	0
Temp new rating	1120	1122.8	1170.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1120	1122.8	1170.4	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	39	16	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Cape Winelands (WCW)
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	22	11	50	0	1047.7	1047.7
Standard	12	6	50	0	1004.2	1004.2
Rapid	10	5	50	0	1099.9	1099.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1120	1122.8	1170.4	1200
2025-09-01	1120	1122.8	1170.4	1200
2025-08-01	1120	1122.8	1170.4	1200
2025-07-01	1120	1122.8	1170.4	1200
2025-06-01	1120	1122.8	1170.4	1200
2025-05-01	1120	1122.8	1170.4	1200
2025-04-01	1120	1122.8	1170.4	1200
2025-03-01	1120	1122.8	1170.4	1200
2025-02-01	1120	1122.8	1170.4	1200
2025-01-01	1120	1122.8	1170.4	1200
2024-12-01	1120	1122.8	1170.4	1200
2024-11-01	1120	1122.8	1170.4	1200
2024-10-01	1120	1122.8	1170.4	1200
2024-09-01	1120	1122.8	1170.4	1200
2024-08-01	1120	1122.8	1170.4	1200
2024-07-01	1120	1122.8	1170.4	1200
2024-06-01	1120	1122.8	1170.4	1200
2024-08-01	1120	1122.8	1170.4	1200
2024-04-01	1120	1122.8	1170.4	1200
2024-03-01	1120	1122.8	1170.4	1200
2024-02-01	1120	1122.8	1170.4	1200
2024-01-01	1120	1122.8	1170.4	1200
2023-12-01	1120	1122.8	1170.4	1200
2023-11-01	1120	1122.8	1170.4	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	Inter Regional 2018 (U20 Individual)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	3	Yes	Analysis
2	Cape Winelands Schools Trials 1 2018 (U20 Boys+Girls)	2018-03-03	2018-03-03	Rapid	Cape Winelands (WCW)	6	6	3	Yes	Analysis
3	Cape Winelands Schools Prestige 2018 (U20 Boys+Girls)	2018-03-24	2018-03-25	Standard	Cape Winelands (WCW)	7	7	3	Yes	Analysis
4	North Boland Trials 2018 (U20 Boys+Girls)	2018-02-17	2018-02-17	Rapid	Cape Winelands (WCW)	5	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-25	rnd 6	type Standard	result 1
		Opponent Ceasar, N (Naqeel)				Opponent Mei, A (Allenique)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Robertson, L (Leehandre)				Opponent Ceasar, N (Naqeel)
3	1	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-04	rnd 2	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Cornelissen, T (Tyler)				Opponent Cornelissen, T (Tyler)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-25	rnd 6	type Standard	result 1
		Opponent Ceasar, N (Naqeel)				Opponent Mei, A (Allenique)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Robertson, L (Leehandre)				Opponent Ceasar, N (Naqeel)
3	1	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-04	rnd 2	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Cornelissen, T (Tyler)				Opponent Cornelissen, T (Tyler)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Wilson, C (Canville)				Opponent Wilson, C (Canville)
2	1	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Farmer, M (Michelle)				Opponent Farmer, M (Michelle)
3	1	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 2	type Rapid	result 1
		Opponent Ceasar, N (Naqeel)				Opponent Ceasar, N (Naqeel)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-25	rnd 6	type Standard	result 1
		Opponent Ceasar, N (Naqeel)				Opponent Mei, A (Allenique)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Robertson, L (Leehandre)				Opponent Ceasar, N (Naqeel)
3	1	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-04	rnd 2	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Cornelissen, T (Tyler)				Opponent Cornelissen, T (Tyler)

#	Games	Start				End
1	3	Tournament Cape Winelands Schools Prestige 2018				Tournament Cape Winelands Schools Prestige 2018
		date 2018-03-24	rnd 4	type Standard	result 1	date 2018-03-25	rnd 6	type Standard	result 1
		Opponent Ceasar, N (Naqeel)				Opponent Mei, A (Allenique)
2	2	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-05	rnd 4	type Standard	result 1	date 2018-05-05	rnd 5	type Standard	result 1
		Opponent Robertson, L (Leehandre)				Opponent Ceasar, N (Naqeel)
3	1	Tournament Inter Regional 2018				Tournament Inter Regional 2018
		date 2018-05-04	rnd 2	type Standard	result 1	date 2018-05-04	rnd 2	type Standard	result 1
		Opponent Cornelissen, T (Tyler)				Opponent Cornelissen, T (Tyler)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 6	type Rapid	result 1	date 2018-03-03	rnd 6	type Rapid	result 1
		Opponent Wilson, C (Canville)				Opponent Wilson, C (Canville)
2	1	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 4	type Rapid	result 1	date 2018-03-03	rnd 4	type Rapid	result 1
		Opponent Farmer, M (Michelle)				Opponent Farmer, M (Michelle)
3	1	Tournament Cape Winelands Schools Trials 1 2018				Tournament Cape Winelands Schools Trials 1 2018
		date 2018-03-03	rnd 2	type Rapid	result 1	date 2018-03-03	rnd 2	type Rapid	result 1
		Opponent Ceasar, N (Naqeel)				Opponent Ceasar, N (Naqeel)

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	Ceasar ,N (Naqeel)	4	4	425	2	2	425	2	2	425	0	0	0
1	Ceasar ,N (Naqeel)	4	1148.3	1573.3	2	1117.1	1573.3	2	1189.4	1573.3	0	0	0
2	Robertson ,L (Leehandre)	3	2	141.7	2	2	425	1	0	-425	0	0	0
2	Robertson ,L (Leehandre)	3	833.7	975.4	2	820.4	1258.7	1	823.8	408.7	0	0	0
3	Farmer ,M (Michelle)	3	2	141.7	1	0	-425	2	2	425	0	0	0
3	Farmer ,M (Michelle)	3	1160.7	1302.3	1	1200	735.7	2	1150.8	1585.7	0	0	0
4	Van Den Berg ,A (Armand)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Van Den Berg ,A (Armand)	2	573	148	1	537.2	148	1	537.2	148	0	0	0
5	Matthys ,A (Allistair)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Matthys ,A (Allistair)	2	1296.3	871.3	1	1312	871.3	1	1369.6	871.3	0	0	0
6	Borrins ,A (Abdur-Rahmaan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Borrins ,A (Abdur-Rahmaan)	2	1200	775	1	1200	775	1	1200	775	0	0	0
7	Wilson ,C (Canville)	2	1	0	0	0	0	2	1	0	0	0	0
7	Wilson ,C (Canville)	2	1206.5	1206.5	0	0	0	2	1210.8	1206.5	0	0	0
8	Deysel ,A (Ashwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Deysel ,A (Ashwin)	1	1219.2	794.2	1	1174.7	794.2	0	0	0	0	0	0
9	Mei ,A (Allenique)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mei ,A (Allenique)	1	773.2	1198.2	1	749	1198.2	0	0	0	0	0	0
10	Mukumbwa ,A (Allen)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mukumbwa ,A (Allen)	1	1290.3	865.3	1	1290.9	865.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

De Klerk, D (Duran)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms