Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, B (Blaine)

Chess SA id

1110148365

FIDE id

Date of birth

2011-03-16 (U16)

Gender

Male

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1172.3	1200	1153.2	1200
Raw rating	1140.7	1200	1093.6	1200
Weighted rating	1172.3	1200	1153.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	180.4	165.8	193	165.8
Highest rating	1200 2018-01-01	1200 2018-10-01	1200 2018-01-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2024-02-01	1200 2018-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-01-01	1200 2018-10-01	1200 2018-01-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2024-02-01	1200 2018-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-2.6	0	-5	0
New rating	1169.6	1200	1148.2	1200
Analysis
Rating	1172.3	1200	1153.2	1200
Raw rating	1140.7	1200	1093.6	1200
Weighted rating	1172.3	1200	1153.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	180.4	165.8	193	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	1140.7	1200	1093.6	1200
New weighted rating	1169.6	1200	1148.2	1200
New weighted performance	0	0	0	0
Temp new rating	1169.6	1200	1148.2	1200
Temp new rating +/-	-2.6	0	-5	0
Final new rating +/-	-2.6	0	-5	0
New rating	1169.6	1200	1148.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	4	4
	0	0
	0	0
	0	0
	0	0
History	9	9

Games since
	Main 4	Standard 0		Rapid 4		Blitz 0
Gender	Male
Age group	U16
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	4	0	0	-425	1261.7	836.7
Standard	0	0	0	0	0	0
Rapid	4	0	0	-425	1261.7	836.7
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	1.5	16.67	-283.3	1227.4	944.1
Standard	0	0	0	0	0	0
Rapid	9	1.5	16.67	-283.3	1227.4	944.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1140.7	1200	1093.6	1200
2025-09-30	1175	1200	1158.4	1200
2025-09-01	1175	1200	1158.4	1200
2025-08-01	1175	1200	1158.4	1200
2025-07-01	1175	1200	1158.4	1200
2025-06-01	1175	1200	1158.4	1200
2025-05-01	1175	1200	1158.4	1200
2025-04-01	1175	1200	1158.4	1200
2025-03-01	1175	1200	1158.4	1200
2025-02-01	1175	1200	1158.4	1200
2025-01-01	1175	1200	1158.4	1200
2024-12-01	1175	1200	1158.4	1200
2024-11-01	1175	1200	1158.4	1200
2024-10-01	1175	1200	1158.4	1200
2024-09-01	1175	1200	1158.4	1200
2024-08-01	1175	1200	1158.4	1200
2024-07-01	1175	1200	1158.4	1200
2024-09-01	1175	1200	1158.4	1200
2024-05-01	1175	1200	1158.4	1200
2024-04-01	1175	1200	1158.4	1200
2024-03-01	1175	1200	1158.4	1200
2024-02-01	1175	1200	1158.4	1200
2024-01-01	1175	1200	1158.4	1200
2023-12-01	1175	1200	1158.4	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	Pretoria Boys High Annual Closed Chess Championship 2025	2025-10-18	2025-10-18	Rapid	Tshwane (GTP)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pretoria Boys High Annual Closed Chess Championship 2025	2025-10-18	2025-10-18	Rapid	Tshwane (GTP)	5	4	0	Yes	Analysis
2	2018 Boardwalk Pearson Open (Devlopment)	2018-03-17	2018-03-17	Rapid	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 6	type Rapid	result 0.5	date 2018-03-17	rnd 6	type Rapid	result 0.5
		Opponent Gie, L (Luca)				Opponent Gie, L (Luca)
2	1	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-17	rnd 1	type Rapid	result 1
		Opponent Nxele, G (Godwin)				Opponent Nxele, G (Godwin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 6	type Rapid	result 0.5	date 2018-03-17	rnd 6	type Rapid	result 0.5
		Opponent Gie, L (Luca)				Opponent Gie, L (Luca)
2	1	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-17	rnd 1	type Rapid	result 1
		Opponent Nxele, G (Godwin)				Opponent Nxele, G (Godwin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-17	rnd 1	type Rapid	result 1
		Opponent Nxele, G (Godwin)				Opponent Nxele, G (Godwin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2018 Boardwalk Pearson Open				Tournament 2018 Boardwalk Pearson Open
		date 2018-03-17	rnd 1	type Rapid	result 1	date 2018-03-17	rnd 1	type Rapid	result 1
		Opponent Nxele, G (Godwin)				Opponent Nxele, G (Godwin)

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	Pretorius ,G (George)	1	0	-425	0	0	0	1	0	-425	0	0	0
1	Pretorius ,G (George)	1	1200	775	0	0	0	1	1200	775	0	0	0
2	Nxele ,G (Godwin)	1	1	425	0	0	0	1	1	425	0	0	0
2	Nxele ,G (Godwin)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Metsing ,M (Masike)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Metsing ,M (Masike)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Hughes ,C (Caleb Oliver)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Hughes ,C (Caleb Oliver)	1	1200	775	0	0	0	1	1200	775	0	0	0
5	Garde ,R (Ryden)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Garde ,R (Ryden)	1	1200	775	0	0	0	1	1200	775	0	0	0
6	Campher ,C (Caden)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Campher ,C (Caden)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Jacobs ,D (Dewan)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Jacobs ,D (Dewan)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Gie ,L (Luca)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Gie ,L (Luca)	1	1200	1200	0	0	0	1	1200	1200	0	0	0
9	Marais ,N (Nathan)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Marais ,N (Nathan)	1	1447	1022	0	0	0	1	1200	1022	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Van Der Merwe, B (Blaine)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms