Chess South Africa Ratings Database

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Personal

Van Der Merwe, B (Benjamin)

Chess SA id

1130140063

FIDE id

Date of birth

2013-08-16 (U14)

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	1229.9	1216.2	1221.6	1200
Raw rating	1229.9	1216.2	1221.6	1200
Weighted rating	1225.2	1212	1221.6	1200
Weighted performance	877	0	778.8	0
Floor	729.9	716.2	721.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	158.9	162	160.8	165.8
Highest rating	1237.4 2022-04-01	1216.2 2024-12-01	1308 2022-04-01	1200 2018-10-01
Highest raw rating	1229.9 2024-12-01	1216.2 2024-12-01	1221.6 2024-02-01	1200 2024-02-01
Highest weighted rating	1222.7 2025-08-01	1209.7 2025-08-01	1221.6 2025-02-01	1200 2018-10-01
Highest weighted performance	1237.4 2022-04-01	1200 2024-02-01	1308 2022-04-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1229.9	1216.2	1221.6	1200
Analysis
Rating	1229.9	1216.2	1221.6	1200
Raw rating	1229.9	1216.2	1221.6	1200
Weighted rating	1225.2	1212	1221.6
Weighted performance	877	0	778.8
K-factor	36	36	36	36
Floor	729.9	716.2	721.6	700
Max/Min rating change allowed	158.9	162	160.8	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	1229.9	1216.2	1221.6	1200
New weighted rating	1226	1212.6	1221.6	1200
New weighted performance	870.1	0	771.8	0
Temp new rating	1229.9	1216.2	1221.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1229.9	1216.2	1221.6	1200
New K-factor	36	36	36	36
New floor	729.9	716.2	721.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	5	5	0
	9	0	9
	31	11	20
	0	0	0
History	45	16	29

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	West Coast (WCU)
Province	Western Cape (WC)
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	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	45	22	48.89	-9.4	1225.1	1215.7
Standard	16	6	37.5	-106.2	1244.7	1138.5
Rapid	29	16	55.17	44	1214.3	1258.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1229.9	1216.2	1221.6	1200
2025-09-30	1229.9	1216.2	1221.6	1200
2025-09-01	1229.9	1216.2	1221.6	1200
2025-08-01	1229.9	1216.2	1221.6	1200
2025-07-01	1229.9	1216.2	1221.6	1200
2025-06-01	1229.9	1216.2	1221.6	1200
2025-05-01	1229.9	1216.2	1221.6	1200
2025-04-01	1229.9	1216.2	1221.6	1200
2025-03-01	1229.9	1216.2	1221.6	1200
2025-02-01	1229.9	1216.2	1221.6	1200
2025-01-01	1229.9	1216.2	1221.6	1200
2024-12-01	1229.9	1216.2	1221.6	1200
2024-11-01	1212	1200	1221.6	1200
2024-10-01	1212	1200	1221.6	1200
2024-09-01	1212	1200	1221.6	1200
2024-08-01	1212	1200	1221.6	1200
2024-07-01	1212	1200	1221.6	1200
2024-09-01	1212	1200	1221.6	1200
2024-05-01	1212	1200	1221.6	1200
2024-04-01	1212	1200	1221.6	1200
2024-03-01	1212	1200	1221.6	1200
2024-02-01	1212	1200	1221.6	1200
2024-01-01	1212	1200	1221.6	1200
2023-12-01	1212	1200	1221.6	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 024 (Development)	2024-11-02	2024-11-02	Standard	West Coast (WCU)	5	5	3	Yes	Analysis
2	Upper West Coast Top Schools Championship 2023 (U7-U11)	2023-06-10	2023-06-10	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Bo-Weskus Skole Prestige 2023 (O11 Seuns)	2023-03-04	2023-03-04	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
4	West Coast Schools Chess Grand Challenge 2022 (PS Super)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
5	Pedro Booyse Top Schools 2022 (U9 Combined)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	5	2	Yes	Analysis
6	Western Cape Schools 2022 (U9 Boys)	2022-05-28	2022-05-29	Standard	Cape Winelands (WCW)	6	6	1	Yes	Analysis
7	West Coast Schools Chess Prestige Leg 2 2022 (U9 Boys)	2022-04-23	2022-04-23	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
8	West Coast Schools Chess Prestige Leg 1 2022 (U9 Boys)	2022-04-09	2022-04-09	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
9	Bo Weskus Skole Skaak Prestige (O9 Seuns)	2022-03-19	2022-03-19	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 1	type Rapid	result 0.5	date 2022-03-19	rnd 4	type Rapid	result 1
		Opponent Joseph, B (Beaudan)				Opponent Van Der Merwe, C (Charl)
2	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Koopman, P (Percian)
3	3	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Jordaan, D (Dewan)				Opponent Steenkamp, T (Tiaan)

#	Games	Start				End
1	2	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 1	type Standard	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Nel, W (Willem)				Opponent Tieties, N (Nicola)
2	1	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 5	type Standard	result 1	date 2024-11-02	rnd 5	type Standard	result 1
		Opponent Schade, B (Ben)				Opponent Schade, B (Ben)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-23	rnd 4	type Standard	result 1
		Opponent Volgraaff, A (Ava)				Opponent Volgraaff, A (Ava)

#	Games	Start				End
1	4	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 1	type Rapid	result 0.5	date 2022-03-19	rnd 4	type Rapid	result 1
		Opponent Joseph, B (Beaudan)				Opponent Van Der Merwe, C (Charl)
2	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Koopman, P (Percian)
3	3	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Jordaan, D (Dewan)				Opponent Steenkamp, T (Tiaan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Koopman, P (Percian)
2	3	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Jordaan, D (Dewan)				Opponent Steenkamp, T (Tiaan)
3	3	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 2	type Rapid	result 1	date 2022-03-19	rnd 4	type Rapid	result 1
		Opponent Strauss, R (Ruan)				Opponent Van Der Merwe, C (Charl)

#	Games	Start				End
1	2	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 1	type Standard	result 1	date 2024-11-02	rnd 2	type Standard	result 1
		Opponent Nel, W (Willem)				Opponent Tieties, N (Nicola)
2	1	Tournament PR Booyse Standard Tournament 024				Tournament PR Booyse Standard Tournament 024
		date 2024-11-02	rnd 5	type Standard	result 1	date 2024-11-02	rnd 5	type Standard	result 1
		Opponent Schade, B (Ben)				Opponent Schade, B (Ben)
3	1	Tournament Pedro Booyse Top Schools 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-07-23	rnd 4	type Standard	result 1	date 2022-07-23	rnd 4	type Standard	result 1
		Opponent Volgraaff, A (Ava)				Opponent Volgraaff, A (Ava)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Upper West Coast Top Schools Championship 2023
		date 2023-03-04	rnd 4	type Rapid	result 1	date 2023-06-10	rnd 1	type Rapid	result 1
		Opponent Nasson, L (Liam)				Opponent Koopman, P (Percian)
2	3	Tournament West Coast Schools Chess Prestige Leg 2 2022				Tournament West Coast Schools Chess Prestige Leg 2 2022
		date 2022-04-23	rnd 2	type Rapid	result 1	date 2022-04-23	rnd 4	type Rapid	result 1
		Opponent Jordaan, D (Dewan)				Opponent Steenkamp, T (Tiaan)
3	3	Tournament Bo Weskus Skole Skaak Prestige				Tournament Bo Weskus Skole Skaak Prestige
		date 2022-03-19	rnd 2	type Rapid	result 1	date 2022-03-19	rnd 4	type Rapid	result 1
		Opponent Strauss, R (Ruan)				Opponent Van Der Merwe, C (Charl)

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	Joseph ,B (Beaudan)	2	0.5	-212.5	1	0	-425	1	0.5	0	0	0	0
1	Joseph ,B (Beaudan)	2	1212.3	999.8	1	1168.8	787.3	1	1153.6	1212.3	0	0	0
2	Du Toit ,M (Markus)	2	0	-425	0	0	0	2	0	-425	0	0	0
2	Du Toit ,M (Markus)	2	1246.9	821.9	0	0	0	2	1309.3	821.9	0	0	0
3	Fortuin ,T (Tashnic)	2	1	0	0	0	0	2	1	0	0	0	0
3	Fortuin ,T (Tashnic)	2	1135.8	1135.8	0	0	0	2	1112	1135.8	0	0	0
4	Engelbrecht ,J (Jovan)	2	1	0	0	0	0	2	1	0	0	0	0
4	Engelbrecht ,J (Jovan)	2	1199.3	1199.3	0	0	0	2	1199.2	1199.3	0	0	0
5	Van Der Merwe ,C (Charl)	2	2	425	0	0	0	2	2	425	0	0	0
5	Van Der Merwe ,C (Charl)	2	1228	1653	0	0	0	2	1234.3	1653	0	0	0
6	Bothma ,I (Ivandre)	2	2	425	0	0	0	2	2	425	0	0	0
6	Bothma ,I (Ivandre)	2	1210.8	1635.8	0	0	0	2	1216.2	1635.8	0	0	0
7	Arries ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Arries ,E (Ethan)	1	1232.6	807.6	1	1238	807.6	0	0	0	0	0	0
8	Claassen ,J (Jaywin)	1	1	425	1	1	425	0	0	0	0	0	0
8	Claassen ,J (Jaywin)	1	1165.7	1590.7	1	1159.6	1590.7	0	0	0	0	0	0
9	Willshach ,L (Lishan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Willshach ,L (Lishan)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Swart ,K (Keagan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Swart ,K (Keagan)	1	1198	773	1	1197.6	773	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Van Der Merwe, B (Benjamin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms