Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, E (Ebert Boshoff)

Chess SA id

1110306328

FIDE id

Date of birth

2011-09-13 (U16)

Gender

Male

Region

(LWB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1195	1199.8	1192.2	1200
Raw rating	1195	1199.7	1192.2	1200
Weighted rating	1194.9	1199.8	1191.1	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167	165.9	167.7	165.8
Highest rating	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01
Highest raw rating	1200 2024-06-01	1200 2024-07-01	1200 2024-06-01	1200 2024-07-01
Highest weighted rating	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0	0	0
New rating	1195	1199.8	1192.2	1200
Analysis
Rating	1195	1199.8	1192.2	1200
Raw rating	1195	1199.7	1192.2	1200
Weighted rating	1194.9	1199.8	1191.1
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167	165.9	167.7	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	1195	1199.7	1192.2	1200
New weighted rating	1194.8	1199.8	1191.1	1200
New weighted performance	0	0	0	0
Temp new rating	1195	1199.8	1192.2	1200
Temp new rating +/-	0	-0	0	0
Final new rating +/-	0	-0	0	0
New rating	1195	1199.8	1192.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	5	5	0
	5	0	5
	0	0	0
	0	0	0
	0	0	0
History	10	5	5

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U16
Region
Province
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	5	2	40	-85	1190.4	1105.4
Standard	5	2	40	-85	1190.4	1105.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4	40	-85	1202.8	1117.8
Standard	5	2	40	-85	1190.4	1105.4
Rapid	5	2	40	-85	1215.3	1130.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1195	1199.7	1192.2	1200
2025-09-01	1195	1199.7	1192.2	1200
2025-08-01	1195	1199.7	1192.2	1200
2025-07-01	1194	1198.2	1192.2	1200
2025-06-01	1195.8	1200	1192.2	1200
2025-05-01	1195.8	1200	1192.2	1200
2025-04-01	1195.8	1200	1192.2	1200
2025-03-01	1195.8	1200	1192.2	1200
2025-02-01	1195.6	1200	1191.9	1200
2025-01-01	1192	1200	1185.2	1200
2024-12-01	1192	1200	1185.2	1200
2024-11-01	1192	1200	1185.2	1200
2024-10-01	1192	1200	1185.2	1200
2024-09-01	1192	1200	1185.2	1200
2024-08-01	1192	1200	1185.2	1200
2024-07-01	1192	1200	1185.2	1200
2024-06-01	1200	1200	1200	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Capricorn District Qualifying Tournament 5 2025 (U16)	2025-05-17	2025-05-17	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Capricorn District Qualifying Tournament 5 2025 (U16)	2025-05-17	2025-05-17	Standard	Capricorn (LCP)	5	5	2	Yes	Analysis
2	Nylstroom Modimolle Open Chess Tournament 15 June 2024	2024-06-15	2024-06-15	Rapid	Waterberg (LWM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-06-15	rnd 2	type Rapid	result 1	date 2024-06-15	rnd 3	type Rapid	result 1
		Opponent Stumke, H (Hay-Lee)				Opponent Ras, A (Adenei)
2	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Boshomane, M (Makgoro)				Opponent Boshomane, M (Makgoro)
3	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Molomo, K (Kgadi)				Opponent Molomo, K (Kgadi)

#	Games	Start				End
1	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Boshomane, M (Makgoro)				Opponent Boshomane, M (Makgoro)
2	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Molomo, K (Kgadi)				Opponent Molomo, K (Kgadi)

#	Games	Start				End
1	2	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-06-15	rnd 2	type Rapid	result 1	date 2024-06-15	rnd 3	type Rapid	result 1
		Opponent Stumke, H (Hay-Lee)				Opponent Ras, A (Adenei)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-06-15	rnd 2	type Rapid	result 1	date 2024-06-15	rnd 3	type Rapid	result 1
		Opponent Stumke, H (Hay-Lee)				Opponent Ras, A (Adenei)
2	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Boshomane, M (Makgoro)				Opponent Boshomane, M (Makgoro)
3	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Molomo, K (Kgadi)				Opponent Molomo, K (Kgadi)

#	Games	Start				End
1	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-05-17	rnd 5	type Standard	result 1
		Opponent Boshomane, M (Makgoro)				Opponent Boshomane, M (Makgoro)
2	1	Tournament Capricorn District Qualifying Tournament 5 2025				Tournament Capricorn District Qualifying Tournament 5 2025
		date 2025-05-17	rnd 1	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Molomo, K (Kgadi)				Opponent Molomo, K (Kgadi)

#	Games	Start				End
1	2	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-06-15	rnd 2	type Rapid	result 1	date 2024-06-15	rnd 3	type Rapid	result 1
		Opponent Stumke, H (Hay-Lee)				Opponent Ras, A (Adenei)

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	Molomo ,K (Kgadi)	1	1	425	1	1	425	0	0	0	0	0	0
1	Molomo ,K (Kgadi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Shika ,O (Orifha)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Shika ,O (Orifha)	1	1269.8	844.8	1	1255.8	844.8	0	0	0	0	0	0
3	Mmakola ,B (Bokang)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mmakola ,B (Bokang)	1	1082.4	657.4	1	1060.3	657.4	0	0	0	0	0	0
4	Boshomane ,M (Makgoro)	1	1	425	1	1	425	0	0	0	0	0	0
4	Boshomane ,M (Makgoro)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Legodi ,P (Phuti)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Legodi ,P (Phuti)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Pieterse ,JJ (Johan)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Pieterse ,JJ (Johan)	1	1343	918	0	0	0	1	1265	918	0	0	0
7	De Bruyn ,R (Ricard)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	De Bruyn ,R (Ricard)	1	1237.2	812.2	0	0	0	1	1219.4	812.2	0	0	0
8	Molele ,D (Denzel T)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Molele ,D (Denzel T)	1	1141.6	716.6	0	0	0	1	1200	716.6	0	0	0
9	Stumke ,H (Hay-Lee)	1	1	425	0	0	0	1	1	425	0	0	0
9	Stumke ,H (Hay-Lee)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Ras ,A (Adenei)	1	1	425	0	0	0	1	1	425	0	0	0
10	Ras ,A (Adenei)	1	1154.6	1579.6	0	0	0	1	1200	1579.6	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Der Merwe, E (Ebert Boshoff)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms