Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Der Merwe, W (Waldo)

Chess SA id

104086978

FIDE id

Date of birth

2004-05-11 (Adult)

Gender

Male

Region

Pixley-ka-Seme (NCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1157.8	1154.8	1200	1200
Raw rating	1157.8	1154.8	1200	1200
Weighted rating	1157.8	1154.8	1200	1200
Weighted performance	554.6	554.5	0	0
Floor	715.9	719.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	176.1	176.8	165.8	165.8
Highest rating	1246.4 2018-04-01	1248.6 2018-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1215.9 2018-05-01	1219.6 2018-05-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1215.9 2018-06-01	1219.6 2018-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1246.4 2018-04-01	1248.6 2018-04-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1157.8	1154.8	1200	1200
Analysis
Rating	1157.8	1154.8	1200	1200
Raw rating	1157.8	1154.8	1200	1200
Weighted rating	1157.8	1154.8	1200
Weighted performance	554.6	554.5	0
K-factor	36	36	36	36
Floor	715.9	719.6	700	700
Max/Min rating change allowed	176.1	176.8	165.8	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	1157.8	1154.8	1200	1200
New weighted rating	1157.8	1154.8	1200	1200
New weighted performance	554.3	554.1	0	0
Temp new rating	1157.8	1154.8	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1157.8	1154.8	1200	1200
New K-factor	36	36	36	36
New floor	715.9	719.6	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	4	4
	20	20
History	43	43

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Pixley-ka-Seme (NCP)
Province	Northern Cape (NC)
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	39	19.5	50	0	1135.6	1135.6
Standard	39	19.5	50	0	1135.6	1135.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1157.8	1154.8	1200	1200
2025-09-01	1157.8	1154.8	1200	1200
2025-08-01	1157.8	1154.8	1200	1200
2025-07-01	1157.8	1154.8	1200	1200
2025-06-01	1157.8	1154.8	1200	1200
2025-05-01	1157.8	1154.8	1200	1200
2025-04-01	1157.8	1154.8	1200	1200
2025-03-01	1157.8	1154.8	1200	1200
2025-02-01	1157.8	1154.8	1200	1200
2025-01-01	1157.8	1154.8	1200	1200
2024-12-01	1157.8	1154.8	1200	1200
2024-11-01	1157.8	1154.8	1200	1200
2024-10-01	1157.8	1154.8	1200	1200
2024-09-01	1157.8	1154.8	1200	1200
2024-08-01	1157.8	1154.8	1200	1200
2024-07-01	1157.8	1154.8	1200	1200
2024-06-01	1157.8	1154.8	1200	1200
2024-08-01	1157.8	1154.8	1200	1200
2024-04-01	1157.8	1154.8	1200	1200
2024-03-01	1157.8	1154.8	1200	1200
2024-02-01	1157.8	1154.8	1200	1200
2024-01-01	1157.8	1154.8	1200	1200
2023-12-01	1157.8	1154.8	1200	1200
2023-11-01	1157.8	1154.8	1200	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	Hopetown Chess Club Open Tournament 2022 (U17+U19)	2022-05-14	2022-05-14	Standard	John Taolo Gaetswewe (NCJ)	5	4	1	Yes	Analysis
2	Pixley Chess Open 2021 (U18-Open)	2021-05-15	2021-05-15	Standard	Pixley-ka-Seme (NCP)	5	5	3	Yes	Analysis
3	Pixley Chess Open 2 2021 (A)	2021-04-17	2021-04-17	Standard	Pixley-ka-Seme (NCP)	5	5	2.5	Yes	Analysis
4	Pixley Chess Open 2021	2021-03-27	2021-03-27	Standard	Pixley-ka-Seme (NCP)	5	5	3	Yes	Analysis
5	Northern Cape Open Fundraiser 2021 (C)	2021-03-20	2021-03-20	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
6	LDA Open Tournament 2018 (B)	2018-07-21	2018-07-21	Standard	Pixley-ka-Seme (NCP)	5	5	2	Yes	Analysis
7	NC Provincial Schools Eliminations 2018 (U15 Boys)	2018-06-23	2018-06-23	Standard	Frances Baard (NCF)	5	5	2	Yes	Analysis
8	Pixley Schools District Eliminations 2018 (U15)	2018-04-14	2018-04-14	Standard	Pixley-ka-Seme (NCP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-05-15	rnd 2	type Standard	result 1	date 2021-05-15	rnd 4	type Standard	result 1
		Opponent Pietersen, J (Jamien)				Opponent Mdaka, L (Likhanyile)
2	3	Tournament Pixley Schools District Eliminations 2018				Tournament Pixley Schools District Eliminations 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 5	type Standard	result 1
		Opponent Krull, E (Enrique)				Opponent Van Der Mescht, M (Matthew)
3	2	Tournament Pixley Chess Open 2 2021				Tournament Pixley Chess Open 2 2021
		date 2021-04-17	rnd 1	type Standard	result 1	date 2021-04-17	rnd 2	type Standard	result 0.5
		Opponent Mphale, R (Rethabile)				Opponent Scheepers, A (Ashwin)

#	Games	Start				End
1	3	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-05-15	rnd 2	type Standard	result 1	date 2021-05-15	rnd 4	type Standard	result 1
		Opponent Pietersen, J (Jamien)				Opponent Mdaka, L (Likhanyile)
2	3	Tournament Pixley Schools District Eliminations 2018				Tournament Pixley Schools District Eliminations 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 5	type Standard	result 1
		Opponent Krull, E (Enrique)				Opponent Van Der Mescht, M (Matthew)
3	2	Tournament Pixley Chess Open 2 2021				Tournament Pixley Chess Open 2 2021
		date 2021-04-17	rnd 1	type Standard	result 1	date 2021-04-17	rnd 2	type Standard	result 0.5
		Opponent Mphale, R (Rethabile)				Opponent Scheepers, A (Ashwin)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-05-15	rnd 2	type Standard	result 1	date 2021-05-15	rnd 4	type Standard	result 1
		Opponent Pietersen, J (Jamien)				Opponent Mdaka, L (Likhanyile)
2	3	Tournament Pixley Schools District Eliminations 2018				Tournament Pixley Schools District Eliminations 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 5	type Standard	result 1
		Opponent Krull, E (Enrique)				Opponent Van Der Mescht, M (Matthew)
3	2	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-03-27	rnd 1	type Standard	result 1	date 2021-03-27	rnd 2	type Standard	result 1
		Opponent Koyana, L (Lintle)				Opponent Oliphant, K (Kelly)

#	Games	Start				End
1	3	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-05-15	rnd 2	type Standard	result 1	date 2021-05-15	rnd 4	type Standard	result 1
		Opponent Pietersen, J (Jamien)				Opponent Mdaka, L (Likhanyile)
2	3	Tournament Pixley Schools District Eliminations 2018				Tournament Pixley Schools District Eliminations 2018
		date 2018-04-14	rnd 3	type Standard	result 1	date 2018-04-14	rnd 5	type Standard	result 1
		Opponent Krull, E (Enrique)				Opponent Van Der Mescht, M (Matthew)
3	2	Tournament Pixley Chess Open 2021				Tournament Pixley Chess Open 2021
		date 2021-03-27	rnd 1	type Standard	result 1	date 2021-03-27	rnd 2	type Standard	result 1
		Opponent Koyana, L (Lintle)				Opponent Oliphant, K (Kelly)

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	Van Der Mescht ,M (Matthew)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Der Mescht ,M (Matthew)	2	861.1	861.1	2	878.2	861.1	0	0	0	0	0	0
2	Mdaka ,L (Likhanyile)	2	1	0	2	1	0	0	0	0	0	0	0
2	Mdaka ,L (Likhanyile)	2	1174.7	1174.7	2	1175.9	1174.7	0	0	0	0	0	0
3	Saul ,L (Lihle)	2	2	425	2	2	425	0	0	0	0	0	0
3	Saul ,L (Lihle)	2	1155.1	1580.1	2	1146.8	1580.1	0	0	0	0	0	0
4	Besuidenhout ,J (Jayden)	2	1	0	2	1	0	0	0	0	0	0	0
4	Besuidenhout ,J (Jayden)	2	1156.7	1156.7	2	1151	1156.7	0	0	0	0	0	0
5	Kruger ,C (Christoffel)	2	1	0	2	1	0	0	0	0	0	0	0
5	Kruger ,C (Christoffel)	2	1015.3	1015.3	2	1038	1015.3	0	0	0	0	0	0
6	Scheepers ,A (Ashwin)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Scheepers ,A (Ashwin)	2	1197	984.5	2	1198	984.5	0	0	0	0	0	0
7	Fourie ,N (Nicolaas)	1	1	425	1	1	425	0	0	0	0	0	0
7	Fourie ,N (Nicolaas)	1	1184.7	1609.7	1	1181.6	1609.7	0	0	0	0	0	0
8	Oliphant ,K (Kelly)	1	1	425	1	1	425	0	0	0	0	0	0
8	Oliphant ,K (Kelly)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Markgraaff ,TC (TC Ivandro)	1	1	425	1	1	425	0	0	0	0	0	0
9	Markgraaff ,TC (TC Ivandro)	1	1141.5	1566.5	1	1126	1566.5	0	0	0	0	0	0
10	Afrika ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Afrika ,E (Ethan)	1	1170.2	745.2	1	1166.4	745.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Van Der Merwe, W (Waldo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms