Chess South Africa Ratings Database

PLAYER PAGE

Personal

Lourens, D (Dalen)

Chess SA id

1110304931

FIDE id

Date of birth

2011-11-11 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-11-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1179.4	1163.2	1265.6	1200
Raw rating	1179.4	1163.2	1265.6	1200
Weighted rating	1176.8	1158.4	1245.4	1200
Weighted performance	0	0	0	0
Floor	700	700	765.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.8	174.7	151	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1354.5 2024-11-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1265.6 2024-12-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1239 2025-08-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1354.5 2024-11-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1179.4	1163.2	1265.6	1200
Analysis
Rating	1179.4	1163.2	1265.6	1200
Raw rating	1179.4	1163.2	1265.6	1200
Weighted rating	1176.8	1158.4	1245.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	765.6	700
Max/Min rating change allowed	170.8	174.7	151	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	1179.4	1163.2	1265.6	1200
New weighted rating	1176.7	1158.2	1248.2	1200
New weighted performance	0	0	0	0
Temp new rating	1179.4	1163.2	1265.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1179.4	1163.2	1265.6	1200
New K-factor	36	36	36	36
New floor	700	700	765.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	19	9	10
	0	0	0
	0	0	0
	0	0	0
History	19	9	10

Games since
	Main 19	Standard 9		Rapid 10		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
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	1234.1	1167
Standard	9	2.5	27.78	-188.9	1195.2	1006.3
Rapid	10	5.5	55	42.5	1269.1	1311.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1179.4	1163.2	1265.6	1200
2025-09-01	1179.4	1163.2	1265.6	1200
2025-08-01	1179.4	1163.2	1265.6	1200
2025-07-01	1179.4	1163.2	1265.6	1200
2025-06-01	1179.4	1163.2	1265.6	1200
2025-05-01	1179.4	1163.2	1265.6	1200
2025-04-01	1179.4	1163.2	1265.6	1200
2025-03-01	1179.4	1163.2	1265.6	1200
2025-02-01	1179.4	1160.7	1265.6	1200
2025-01-01	1174.1	1112	1265.6	1200
2024-12-01	1174.1	1112	1265.6	1200
2024-11-01	1160.4	1148.4	1198.4	1200
2024-10-01	1160.4	1148.4	1198.4	1200
2024-09-01	1160.4	1148.4	1198.4	1200
2024-08-01	1160.4	1148.4	1198.4	1200
2024-07-01	1160.4	1148.4	1198.4	1200
2024-06-01	1160.4	1148.4	1198.4	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	PR Booyse Standard Tournament 2024 (Open)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
2	West Coast Grand Challange League 2024 (PS Champions)	2024-10-26	2024-10-26	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
3	Bo-Weskus Skole Skaak Top Skole 2024 (O13)	2024-05-11	2024-05-11	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
4	West Coast & Mykonos Open 2024 (U14)	2024-05-18	2024-05-18	Standard	West Coast (WCU)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament West Coast Grand Challange League 2024				Tournament PR Booyse Standard Tournament 2024
		date 2024-10-26	rnd 3	type Rapid	result 0.5	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Avontuur, E (Ezrah)				Opponent De Villiers, R (Ruben)
2	2	Tournament West Coast & Mykonos Open 2024				Tournament West Coast Grand Challange League 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Gerber, S (Simon)				Opponent Volgraaff, A (Alexander)
3	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Isaaks, M (Matthew)				Opponent Basson, J (Janro)

#	Games	Start				End
1	2	Tournament West Coast & Mykonos Open 2024				Tournament PR Booyse Standard Tournament 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Gerber, S (Simon)				Opponent De Villiers, R (Ruben)
2	1	Tournament West Coast & Mykonos Open 2024				Tournament West Coast & Mykonos Open 2024
		date 2024-05-18	rnd 3	type Standard	result 0.5	date 2024-05-18	rnd 3	type Standard	result 0.5
		Opponent Johnson, M (Melanique)				Opponent Johnson, M (Melanique)

#	Games	Start				End
1	3	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 3	type Rapid	result 0.5	date 2024-10-26	rnd 5	type Rapid	result 1
		Opponent Avontuur, E (Ezrah)				Opponent Titus, M (Michael John)
2	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Isaaks, M (Matthew)				Opponent Basson, J (Janro)
3	1	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Volgraaff, A (Alexander)				Opponent Volgraaff, A (Alexander)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament West Coast Grand Challange League 2024				Tournament PR Booyse Standard Tournament 2024
		date 2024-10-26	rnd 4	type Rapid	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Swarts, C (Ciara)				Opponent De Villiers, R (Ruben)
2	2	Tournament West Coast & Mykonos Open 2024				Tournament West Coast Grand Challange League 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Gerber, S (Simon)				Opponent Volgraaff, A (Alexander)
3	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Isaaks, M (Matthew)				Opponent Basson, J (Janro)

#	Games	Start				End
1	2	Tournament West Coast & Mykonos Open 2024				Tournament PR Booyse Standard Tournament 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Gerber, S (Simon)				Opponent De Villiers, R (Ruben)

#	Games	Start				End
1	2	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 4	type Rapid	result 1	date 2024-10-26	rnd 5	type Rapid	result 1
		Opponent Swarts, C (Ciara)				Opponent Titus, M (Michael John)
2	2	Tournament Bo-Weskus Skole Skaak Top Skole 2024				Tournament Bo-Weskus Skole Skaak Top Skole 2024
		date 2024-05-11	rnd 3	type Rapid	result 1	date 2024-05-11	rnd 4	type Rapid	result 1
		Opponent Isaaks, M (Matthew)				Opponent Basson, J (Janro)
3	1	Tournament West Coast Grand Challange League 2024				Tournament West Coast Grand Challange League 2024
		date 2024-10-26	rnd 1	type Rapid	result 1	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Volgraaff, A (Alexander)				Opponent Volgraaff, A (Alexander)

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	Titus ,S (Sonay)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Titus ,S (Sonay)	1	1210.5	785.5	1	1150.4	785.5	0	0	0	0	0	0
2	De Villiers ,R (Ruben)	1	1	425	1	1	425	0	0	0	0	0	0
2	De Villiers ,R (Ruben)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Gentles ,A (Abrian)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Gentles ,A (Abrian)	1	1222.5	797.5	1	1124.4	797.5	0	0	0	0	0	0
4	Warner ,A (Alicia)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Warner ,A (Alicia)	1	1301.3	876.3	1	1199.8	876.3	0	0	0	0	0	0
5	Ellman ,A (Andries)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ellman ,A (Andries)	1	1226.5	801.5	1	1011.4	801.5	0	0	0	0	0	0
6	Seas ,A (Ava-Gee)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Seas ,A (Ava-Gee)	1	1016.1	591.1	1	1117.2	591.1	0	0	0	0	0	0
7	Gerber ,S (Simon)	1	1	425	1	1	425	0	0	0	0	0	0
7	Gerber ,S (Simon)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Johnson ,M (Melanique)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Johnson ,M (Melanique)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
9	Maarman ,L (Luciano)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Maarman ,L (Luciano)	1	1180	755	1	1183.4	755	0	0	0	0	0	0
10	Isaaks ,M (Matthew)	1	1	425	0	0	0	1	1	425	0	0	0
10	Isaaks ,M (Matthew)	1	1199.7	1624.7	0	0	0	1	1200	1624.7	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Lourens, D (Dalen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms