Chess South Africa Ratings Database

PLAYER PAGE

Personal

Visser, E (Elferdo)

Chess SA id

1000099746

FIDE id

Date of birth

1900-01-01 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-02-11

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1097.5	1083.2	1140.9	1200
Raw rating	1097.5	1083.2	1140.9	1200
Weighted rating	1097.5	1083.2	1140.9	1200
Weighted performance	0	0	0	0
Floor	700	700	721.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	191.9	195.8	180.4	165.8
Highest rating	1200 2018-01-01	1200 2018-01-01	1270.2 2019-02-01	1200 2018-10-01
Highest raw rating	1200 2018-01-01	1200 2018-01-01	1221.6 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-01-01	1200 2018-01-01	1221.6 2021-02-01	1200 2018-10-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1270.2 2019-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1097.5	1083.2	1140.9	1200
Analysis
Rating	1097.5	1083.2	1140.9	1200
Raw rating	1097.5	1083.2	1140.9	1200
Weighted rating	1097.5	1083.2	1140.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	721.6	700
Max/Min rating change allowed	191.9	195.8	180.4	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	1097.5	1083.2	1140.9	1200
New weighted rating	1097.5	1083.2	1140.9	1200
New weighted performance	0	0	0	0
Temp new rating	1097.5	1083.2	1140.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1097.5	1083.2	1140.9	1200
New K-factor	36	36	36	36
New floor	700	700	721.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	5	0	5
	4	0	4
	0	0	0
History	26	10	16

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	26	9	34.62	-130.8	1173.5	1042.8
Standard	10	3	30	-170	1106.2	936.2
Rapid	16	6	37.5	-106.2	1215.6	1109.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1097.5	1083.2	1140.9	1200
2025-09-30	1097.5	1083.2	1140.9	1200
2025-09-01	1097.5	1083.2	1140.9	1200
2025-08-01	1097.5	1083.2	1140.9	1200
2025-07-01	1097.5	1083.2	1140.9	1200
2025-06-01	1097.5	1083.2	1140.9	1200
2025-05-01	1097.5	1083.2	1140.9	1200
2025-04-01	1097.5	1083.2	1140.9	1200
2025-03-01	1097.5	1083.2	1140.9	1200
2025-02-01	1097.5	1083.2	1140.9	1200
2025-01-01	1097.5	1083.2	1140.9	1200
2024-12-01	1097.5	1083.2	1140.9	1200
2024-11-01	1097.5	1083.2	1140.9	1200
2024-10-01	1097.5	1083.2	1140.9	1200
2024-09-01	1097.5	1083.2	1140.9	1200
2024-08-01	1097.5	1083.2	1140.9	1200
2024-07-01	1097.5	1083.2	1140.9	1200
2024-09-01	1097.5	1083.2	1140.9	1200
2024-05-01	1097.5	1083.2	1140.9	1200
2024-04-01	1097.5	1083.2	1140.9	1200
2024-03-01	1097.5	1083.2	1140.9	1200
2024-02-01	1097.5	1083.2	1140.9	1200
2024-01-01	1097.5	1083.2	1140.9	1200
2023-12-01	1097.5	1083.2	1140.9	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	Lower West Coast High Schools Prestige 2023 (U17 Boys)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	1	Yes	Analysis
2	Onder-Weskus Top Skole 2022 (Hoerskool)	2022-06-04	2022-06-04	Rapid	West Coast (WCU)	5	4	1	Yes	Analysis
3	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O13 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	2	Yes	Analysis
4	Onder-Weskus Skole Proewe 2019 (O13 Seuns)	2019-02-16	2019-02-23	Rapid	West Coast (WCU)	7	7	4	Yes	Analysis
5	West Coast Schools Prestige Individual Championship 2018 (U11 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	4	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Dietrich, H (Hugh)				Opponent Klaasen, P (Pharell)
2	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Juries, J (Jordan)				Opponent Juries, J (Jordan)
3	1	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 3	type Rapid	result 1	date 2022-06-04	rnd 3	type Rapid	result 1
		Opponent Mtila, R (Refilwe)				Opponent Mtila, R (Refilwe)

#	Games	Start				End
1	1	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Nieuwoudt, J (Janno)				Opponent Nieuwoudt, J (Janno)
2	1	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 2	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Nel, W (Will)				Opponent Nel, W (Will)
3	1	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 1	type Standard	result 1
		Opponent Klaassen, P (Pharrell)				Opponent Klaassen, P (Pharrell)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Dietrich, H (Hugh)				Opponent Klaasen, P (Pharell)
2	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Juries, J (Jordan)				Opponent Juries, J (Jordan)
3	1	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 3	type Rapid	result 1	date 2022-06-04	rnd 3	type Rapid	result 1
		Opponent Mtila, R (Refilwe)				Opponent Mtila, R (Refilwe)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Dietrich, H (Hugh)				Opponent Klaasen, P (Pharell)
2	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Juries, J (Jordan)				Opponent Juries, J (Jordan)
3	1	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 3	type Rapid	result 1	date 2022-06-04	rnd 3	type Rapid	result 1
		Opponent Mtila, R (Refilwe)				Opponent Mtila, R (Refilwe)

#	Games	Start				End
1	1	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-04-06	rnd 5	type Standard	result 1	date 2019-04-06	rnd 5	type Standard	result 1
		Opponent Nieuwoudt, J (Janno)				Opponent Nieuwoudt, J (Janno)
2	1	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 2	type Standard	result 1	date 2019-03-02	rnd 2	type Standard	result 1
		Opponent Nel, W (Will)				Opponent Nel, W (Will)
3	1	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 1	type Standard	result 1
		Opponent Klaassen, P (Pharrell)				Opponent Klaassen, P (Pharrell)

#	Games	Start				End
1	2	Tournament Onder-Weskus Skole Proewe 2019				Tournament Onder-Weskus Skole Proewe 2019
		date 2019-02-23	rnd 6	type Rapid	result 1	date 2019-02-23	rnd 7	type Rapid	result 1
		Opponent Dietrich, H (Hugh)				Opponent Klaasen, P (Pharell)
2	1	Tournament Lower West Coast High Schools Prestige 2023				Tournament Lower West Coast High Schools Prestige 2023
		date 2023-02-11	rnd 4	type Rapid	result 1	date 2023-02-11	rnd 4	type Rapid	result 1
		Opponent Juries, J (Jordan)				Opponent Juries, J (Jordan)
3	1	Tournament Onder-Weskus Top Skole 2022				Tournament Onder-Weskus Top Skole 2022
		date 2022-06-04	rnd 3	type Rapid	result 1	date 2022-06-04	rnd 3	type Rapid	result 1
		Opponent Mtila, R (Refilwe)				Opponent Mtila, R (Refilwe)

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	Klein ,C (Calvin)	2	0	-425	0	0	0	2	0	-425	0	0	0
1	Klein ,C (Calvin)	2	1228.8	803.8	0	0	0	2	1183.3	803.8	0	0	0
2	Spamer ,JH (Jan-Hendre)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Spamer ,JH (Jan-Hendre)	1	815.2	390.2	1	687.8	390.2	0	0	0	0	0	0
3	Nieuwoudt ,J (Janno)	1	1	425	1	1	425	0	0	0	0	0	0
3	Nieuwoudt ,J (Janno)	1	1197.4	1622.4	1	1200	1622.4	0	0	0	0	0	0
4	Du Plessis ,S (Stefan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Du Plessis ,S (Stefan)	1	1126	701	1	1006.4	701	0	0	0	0	0	0
5	Nel ,W (Will)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nel ,W (Will)	1	1202.9	1627.9	1	1200	1627.9	0	0	0	0	0	0
6	Klaase ,D (Devan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Klaase ,D (Devan)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Lewaks ,S (Shaundre)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lewaks ,S (Shaundre)	1	1201.2	776.2	1	1200	776.2	0	0	0	0	0	0
8	Maarman ,R (Royaldhino)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Maarman ,R (Royaldhino)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Scholtz ,A (Arnoldus)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Scholtz ,A (Arnoldus)	1	1163.8	738.8	0	0	0	1	1200	738.8	0	0	0
10	Kariem ,S (Shakir)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Kariem ,S (Shakir)	1	1493.4	1068.4	0	0	0	1	1436.1	1068.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Visser, E (Elferdo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms