Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pretorius, D (Dewin)

Chess SA id

1100150943

FIDE id

Date of birth

2010-09-11 (U16)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1180.3	1170.1	1200	1200
Raw rating	1180.3	1170.1	1200	1200
Weighted rating	1180.1	1169.8	1200	1200
Weighted performance	0	0	0	0
Floor	738.9	749.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.5	173	165.8	165.8
Highest rating	1405.9 2023-03-01	1412.2 2023-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1238.9 2023-04-01	1249.6 2023-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1238.9 2023-05-01	1249.6 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1405.9 2023-03-01	1412.2 2023-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1180.3	1170.1	1200	1200
Analysis
Rating	1180.3	1170.1	1200	1200
Raw rating	1180.3	1170.1	1200	1200
Weighted rating	1180.1	1169.8	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	738.9	749.6	700	700
Max/Min rating change allowed	170.5	173	165.8	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	1180.3	1170.1	1200	1200
New weighted rating	1180.1	1169.9	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1180.3	1170.1	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1180.3	1170.1	1200	1200
New K-factor	36	36	36	36
New floor	738.9	749.6	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	19	19
	0	0
	0	0
History	19	19

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	19	8	42.11	-67.1	1250.4	1183.3
Standard	19	8	42.11	-67.1	1250.4	1183.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1180.3	1170.1	1200	1200
2025-09-30	1180.3	1170.1	1200	1200
2025-09-01	1180.3	1170.1	1200	1200
2025-08-01	1180.3	1170.1	1200	1200
2025-07-01	1180.3	1170.1	1200	1200
2025-06-01	1180.3	1170.1	1200	1200
2025-05-01	1180.3	1170.1	1200	1200
2025-04-01	1180.3	1170.1	1200	1200
2025-03-01	1180.3	1170.1	1200	1200
2025-02-01	1180.3	1170.1	1200	1200
2025-01-01	1179.7	1169.3	1200	1200
2024-12-01	1179.7	1169.3	1200	1200
2024-11-01	1179.7	1169.3	1200	1200
2024-10-01	1179.7	1169.3	1200	1200
2024-09-01	1179.7	1169.3	1200	1200
2024-08-01	1179.7	1169.3	1200	1200
2024-07-01	1179.7	1169.3	1200	1200
2024-09-01	1179.7	1169.3	1200	1200
2024-05-01	1179.7	1169.3	1200	1200
2024-04-01	1179.7	1169.3	1200	1200
2024-03-01	1179.7	1169.3	1200	1200
2024-02-01	1179.7	1169.3	1200	1200
2024-01-01	1179.7	1169.3	1200	1200
2023-12-01	1179.7	1169.3	1200	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	Western Cape PS Individuals 2023 (U13 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
2	Eden Trials 2+3 2023 (U14)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	4	0.5	Yes	Analysis
3	Eden Trails 1 2023 (U13 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	4	3.5	Yes	Analysis
4	Kannaland Proewe 1 2023 (U11+U13 Boys)	2023-02-18	2023-02-18	Standard	Eden (WEG)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Fakier, A (Abdur-Rahmaan)				Opponent Kennedy, A (Alrich)
2	2	Tournament Kannaland Proewe 1 2023				Tournament Kannaland Proewe 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Walker, L (Luke)				Opponent Witbooi, F (Francolin)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Strauss, J (Johan)				Opponent Strauss, J (Johan)

#	Games	Start				End
1	4	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 2	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Fakier, A (Abdur-Rahmaan)				Opponent Kennedy, A (Alrich)
2	2	Tournament Kannaland Proewe 1 2023				Tournament Kannaland Proewe 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Walker, L (Luke)				Opponent Witbooi, F (Francolin)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Strauss, J (Johan)				Opponent Strauss, J (Johan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Walker, L (Luke)				Opponent Kennedy, A (Alrich)
2	2	Tournament Kannaland Proewe 1 2023				Tournament Kannaland Proewe 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Walker, L (Luke)				Opponent Witbooi, F (Francolin)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Strauss, J (Johan)				Opponent Strauss, J (Johan)

#	Games	Start				End
1	2	Tournament Eden Trails 1 2023				Tournament Eden Trails 1 2023
		date 2023-03-11	rnd 4	type Standard	result 1	date 2023-03-11	rnd 5	type Standard	result 1
		Opponent Walker, L (Luke)				Opponent Kennedy, A (Alrich)
2	2	Tournament Kannaland Proewe 1 2023				Tournament Kannaland Proewe 1 2023
		date 2023-02-18	rnd 2	type Standard	result 1	date 2023-02-18	rnd 3	type Standard	result 1
		Opponent Walker, L (Luke)				Opponent Witbooi, F (Francolin)
3	1	Tournament Western Cape PS Individuals 2023				Tournament Western Cape PS Individuals 2023
		date 2023-05-06	rnd 6	type Standard	result 1	date 2023-05-06	rnd 6	type Standard	result 1
		Opponent Strauss, J (Johan)				Opponent Strauss, J (Johan)

No games found.

#	Games	Start				End

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	Walker ,L (Luke)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
1	Walker ,L (Luke)	3	1204	1345.6	3	1204.4	1345.6	0	0	0	0	0	0
2	Claassen ,A (Aydin)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Claassen ,A (Aydin)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Petersen ,S (Shenwin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Petersen ,S (Shenwin)	1	1466.4	1041.4	1	1468.1	1041.4	0	0	0	0	0	0
4	Witbooi ,F (Francolin)	1	1	425	1	1	425	0	0	0	0	0	0
4	Witbooi ,F (Francolin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Brown ,R (Riquelme)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Brown ,R (Riquelme)	1	1251.1	1251.1	1	1261.6	1251.1	0	0	0	0	0	0
6	Tsabola ,B (Bright)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tsabola ,B (Bright)	1	1437.1	1012.1	1	1370	1012.1	0	0	0	0	0	0
7	Pretorius ,I (Immanuel)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Pretorius ,I (Immanuel)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Strauss ,J (Johan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Strauss ,J (Johan)	1	1397.5	1822.5	1	1379.8	1822.5	0	0	0	0	0	0
9	Brown ,G (Gradwell)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Brown ,G (Gradwell)	1	1152.7	1152.7	1	1142.3	1152.7	0	0	0	0	0	0
10	Makriga ,G (Gionia)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Makriga ,G (Gionia)	1	1284.5	859.5	1	1274.3	859.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Pretorius, D (Dewin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms