Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, D (Damian)

Chess SA id

1130149660

FIDE id

Date of birth

2013-08-24 (U14)

Gender

Male

Region

Dr Kenneth Kaunda (NWP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1142	1138	1195.5	1200
Raw rating	1125.9	1138	1144.2	1200
Weighted rating	1142	1134.5	1195.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.3	181.1	179.5	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.5	0	-4.3	0
New rating	1140.5	1138	1191.3	1200
Analysis
Rating	1142	1138	1195.5	1200
Raw rating	1125.9	1138	1144.2	1200
Weighted rating	1142	1134.5	1195.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184.3	181.1	179.5	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	1125.9	1138	1144.2	1200
New weighted rating	1140.5	1134.5	1191.3	1200
New weighted performance	0	0	0	0
Temp new rating	1140.5	1138	1191.3	1200
Temp new rating +/-	-1.5	0	-4.3	0
Final new rating +/-	-1.5	0	-4.3	0
New rating	1140.5	1138	1191.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	7	0	7
	9	9	0
	4	4	0
	0	0	0
	0	0	0
History	20	13	7

Games since
	Main 16	Standard 9		Rapid 7		Blitz 0
Gender	Male
Age group	U14
Region	Dr Kenneth Kaunda (NWP)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	7	2	28.57	-182.1	1205.9	1023.8
Standard	0	0	0	0	0	0
Rapid	7	2	28.57	-182.1	1205.9	1023.8
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	6	30	-170	1211.9	1041.9
Standard	13	4	30.77	-163.5	1215.1	1051.6
Rapid	7	2	28.57	-182.1	1205.9	1023.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1125.9	1138	1144.2	1200
2025-09-30	1146.9	1138	1200	1200
2025-09-01	1146.9	1138	1200	1200
2025-08-01	1146.9	1138	1200	1200
2025-07-01	1146.9	1138	1200	1200
2025-06-01	1146.9	1138	1200	1200
2025-05-01	1146.9	1138	1200	1200
2025-04-01	1146.9	1138	1200	1200
2025-03-01	1146.9	1138	1200	1200
2025-02-01	1146.8	1137.9	1200	1200
2025-01-01	1134.6	1124.4	1200	1200
2024-12-01	1134.6	1124.4	1200	1200
2024-11-01	1134.6	1124.4	1200	1200
2024-10-01	1134.6	1124.4	1200	1200
2024-09-01	1134.6	1124.4	1200	1200
2024-08-01	1134.6	1124.4	1200	1200
2024-07-01	1134.6	1124.4	1200	1200
2024-09-01	1134.6	1124.4	1200	1200
2024-05-01	1134.6	1124.4	1200	1200
2024-04-01	1134.6	1124.4	1200	1200
2024-03-01	1154.2	1146.8	1200	1200
2024-02-01	1178.1	1172.4	1200	1200
2024-01-01	1178.1	1172.4	1200	1200
2023-12-01	1178.1	1172.4	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Super 8 (Senior)	2025-09-26	2025-09-26	Rapid	Ekurhuleni (GE)	7	7	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Super 8 (Senior)	2025-09-26	2025-09-26	Rapid	Ekurhuleni (GE)	7	7	2	Yes	Analysis
2	DR KKD Ferdies Mar 2024 (E)	2024-03-02	2024-03-02	Standard	Dr Kenneth Kaunda (NWP)	5	4	1	Yes	Analysis
3	DR KKD Curro Feb 2024 (U12)	2024-02-10	2024-02-10	Standard	Dr Kenneth Kaunda (NWP)	5	5	1.5	Yes	Analysis
4	Dr. Kenneth Kaunda Saamtrek 2023 (U12)	2023-02-04	2023-02-04	Standard	Dr Kenneth Kaunda (NWP)	5	4	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament Dr. Kenneth Kaunda Saamtrek 2023				Tournament DR KKD Curro Feb 2024
		date 2023-02-04	rnd 4	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Abdool, L (Luan Giovanni)				Opponent De Klerk, I (Ivan)
2	1	Tournament 2025 Super 8				Tournament 2025 Super 8
		date 2025-09-26	rnd 4	type Rapid	result 1	date 2025-09-26	rnd 4	type Rapid	result 1
		Opponent Pretorius, K (Keagen)				Opponent Pretorius, K (Keagen)
3	1	Tournament 2025 Super 8				Tournament 2025 Super 8
		date 2025-09-26	rnd 2	type Rapid	result 1	date 2025-09-26	rnd 2	type Rapid	result 1
		Opponent Corna, Z (Zeanne)				Opponent Corna, Z (Zeanne)

#	Games	Start				End
1	3	Tournament Dr. Kenneth Kaunda Saamtrek 2023				Tournament DR KKD Curro Feb 2024
		date 2023-02-04	rnd 4	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent Abdool, L (Luan Giovanni)				Opponent De Klerk, I (Ivan)
2	1	Tournament DR KKD Ferdies Mar 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Abdalla, A (Abd Elrahman)				Opponent Abdalla, A (Abd Elrahman)
3	1	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 4	type Standard	result 0.5	date 2024-02-10	rnd 4	type Standard	result 0.5
		Opponent Fouche, D (Daru)				Opponent Fouche, D (Daru)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament DR KKD Ferdies Mar 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Abdalla, A (Abd Elrahman)				Opponent Abdalla, A (Abd Elrahman)
2	1	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent De Klerk, I (Ivan)				Opponent De Klerk, I (Ivan)
3	1	Tournament Dr. Kenneth Kaunda Saamtrek 2023				Tournament Dr. Kenneth Kaunda Saamtrek 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Abdool, L (Luan Giovanni)				Opponent Abdool, L (Luan Giovanni)

#	Games	Start				End
1	1	Tournament DR KKD Ferdies Mar 2024				Tournament DR KKD Ferdies Mar 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 3	type Standard	result 1
		Opponent Abdalla, A (Abd Elrahman)				Opponent Abdalla, A (Abd Elrahman)
2	1	Tournament DR KKD Curro Feb 2024				Tournament DR KKD Curro Feb 2024
		date 2024-02-10	rnd 1	type Standard	result 1	date 2024-02-10	rnd 1	type Standard	result 1
		Opponent De Klerk, I (Ivan)				Opponent De Klerk, I (Ivan)
3	1	Tournament Dr. Kenneth Kaunda Saamtrek 2023				Tournament Dr. Kenneth Kaunda Saamtrek 2023
		date 2023-02-04	rnd 4	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Abdool, L (Luan Giovanni)				Opponent Abdool, L (Luan Giovanni)

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	Mthombeni ,N (Ntshovela)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Mthombeni ,N (Ntshovela)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
2	Rheder ,D (Dihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Rheder ,D (Dihan)	1	1152.7	727.7	1	1146	727.7	0	0	0	0	0	0
3	Werkman ,R (Robert Josua)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Werkman ,R (Robert Josua)	1	1301.2	876.2	1	1304.8	876.2	0	0	0	0	0	0
4	Gresse ,J (Julian)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Gresse ,J (Julian)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Abdool ,L (Luan Giovanni)	1	1	425	1	1	425	0	0	0	0	0	0
5	Abdool ,L (Luan Giovanni)	1	1062.6	1487.6	1	1034.8	1487.6	0	0	0	0	0	0
6	Abdalla ,A (Abd Elrahman)	1	1	425	1	1	425	0	0	0	0	0	0
6	Abdalla ,A (Abd Elrahman)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Fouche ,D (Daru)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Fouche ,D (Daru)	1	1208	1208	1	1234.4	1208	0	0	0	0	0	0
8	Nicholson ,A (Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Nicholson ,A (Alexander)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Gweshe ,T (Tinotenda)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Gweshe ,T (Tinotenda)	1	1341.4	916.4	1	1348.1	916.4	0	0	0	0	0	0
10	De Klerk ,I (Ivan)	1	1	425	1	1	425	0	0	0	0	0	0
10	De Klerk ,I (Ivan)	1	1217.9	1642.9	1	1249.2	1642.9	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

Van Der Merwe, D (Damian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms