Chess South Africa Ratings Database

PLAYER PAGE

Personal

Erasmus, W (Wiaan)

Chess SA id

104009024

FIDE id

Date of birth

2004-04-27 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-12

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1168	1130.3	984	1063.5
Raw rating	1168	1130.3	984	1063.5
Weighted rating	1136.2	1130.3	929.1	986.2
Weighted performance	879.1	292	0	0
Floor	668	630.3	500	563.5
K-factor	40	40	40	40
Min/Max rating change allowed	173.6	183.1	225.6	201.4
Highest rating	1205.6 2018-04-01	1202.7 2018-04-01	1200 2018-02-01	1200 2024-02-01
Highest raw rating	1168 2025-08-01	1130.3 2024-02-01	984 2025-08-01	1063.5 2025-07-01
Highest weighted rating	1129.8 2025-08-01	1130.3 2024-11-01	953.1 2024-11-01	970.4 2025-08-01
Highest weighted performance	1205.6 2018-04-01	1202.7 2018-04-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1168	1130.3	984	1063.5
Analysis
Rating	1168	1130.3	984	1063.5
Raw rating	1168	1130.3	984	1063.5
Weighted rating	1136.2	1130.3	929.1
Weighted performance	879.1	292	0
K-factor	40	40	40	40
Floor	668	630.3	500	563.5
Max/Min rating change allowed	173.6	183.1	225.6	201.4
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	1168	1130.3	984	1063.5
New weighted rating	1139.1	1130.3	934.1	993.6
New weighted performance	878.7	291.6	0	0
Temp new rating	1168	1130.3	984	1063.5
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1168	1130.3	984	1063.5
New K-factor	40	40	40	40
New floor	668	630.3	500	563.5

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	12	0	6	6
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	269	200	63	6

Games since
	Main 12	Standard 0		Rapid 6		Blitz 6
Gender	Male
Age group	Adult
Region	Eden (WEG)
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	12	7	58.33	70.8	1337.4	1408.3
Standard	0	0	0	0	0	0
Rapid	6	3	50	0	1287.2	1287.2
Blitz	6	4	66.67	141.7	1387.7	1529.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	71	34.5	48.59	-12	1125.2	1113.3
Standard	52	25.5	49.04	-8.2	1080.8	1072.6
Rapid	13	5	38.46	-98.1	1181.8	1083.7
Blitz	6	4	66.67	141.7	1387.7	1529.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1168	1130.3	984	1063.5
2025-09-01	1168	1130.3	984	1063.5
2025-08-01	1168	1130.3	984	1063.5
2025-07-01	1145.2	1130.3	912.7	1063.5
2025-06-01	1124.8	1130.3	912.7	953.1
2025-05-01	1124.8	1130.3	912.7	953.1
2025-04-01	1124.8	1130.3	912.7	953.1
2025-03-01	1124.8	1130.3	912.7	953.1
2025-02-01	1124.8	1130.3	912.7	953.1
2025-01-01	1124.8	1130.3	912.7	953.1
2024-12-01	1124.8	1130.3	912.7	953.1
2024-11-01	1124.8	1130.3	912.7	953.1
2024-10-01	1124.8	1130.3	912.7	953.1
2024-09-01	1124.8	1130.3	912.7	953.1
2024-08-01	1124.8	1130.3	912.7	953.1
2024-07-01	1124.8	1130.3	912.7	953.1
2024-06-01	1124.8	1130.3	912.7	953.1
2024-08-01	1124.8	1130.3	912.7	953.1
2024-04-01	1124.8	1130.3	912.7	953.1
2024-03-01	1124.8	1130.3	912.7	953.1
2024-02-01	1124.8	1130.3	912.7	953.1
2024-01-01	1124.8	1130.3	912.7	953.1
2023-12-01	1124.8	1130.3	912.7	953.1
2023-11-01	1124.8	1130.3	912.7	953.1

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	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
2	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Knysna Oyster Festival Rapid 2025 (Open)	2025-07-12	2025-07-12	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
2	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	4	Yes	Analysis
3	Hessequa Skaak Proewe 1 2020 (O18+O20 Seuns)	2020-02-01	2020-02-01	Standard	Eden (WEG)	5	5	3	Yes	Analysis
4	George Open Chess Tournament 2019 (B)	2019-11-30	2019-12-01	Standard	Eden (WEG)	6	5	2	Yes	Analysis
5	Eden Trials 3 2019 (U16 Open)	2019-05-11	2019-05-11	Standard	Eden (WEG)	5	4	3	Yes	Analysis
6	Eden Trials 2 2019 (U16 Open)	2019-04-13	2019-04-13	Standard	Eden (WEG)	5	5	3	Yes	Analysis
7	Hessequa Proewe 1 2019 (O16)	2019-01-26	2019-01-26	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
8	South African Junior Team Championships 2018 (U16A)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	0	Yes	Analysis
9	Eden Chess League 2018 (2nd Division)	2018-09-01	2018-09-01	Rapid	Eden (WEG)	7	7	2	Yes	Analysis
10	EDENSC Closed 3 2018 (U16 Open)	2018-05-12	2018-05-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
11	Western Cape Schools Individuals 2018 (U15 Boys)	2018-05-19	2018-05-20	Standard	Overberg (WOS)	6	6	2	Yes	Analysis
12	EDENSC Closed 2 2018 (U16 Open)	2018-04-14	2018-04-14	Standard	Eden (WEG)	5	5	4	Yes	Analysis
13	EDENSC Closed 1 2018 (U16 Boys)	2018-03-10	2018-03-10	Standard	Eden (WEG)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Kiewiet, B (Brook-Lynn)				Opponent Meyer, J (Jordan)
2	3	Tournament Hessequa Proewe 1 2019				Tournament Hessequa Proewe 1 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 0.5
		Opponent Da Silva, E (Ethan)				Opponent Oosthuizen, H (Haygan)
3	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 4	type Standard	result 1	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent Daniels, J (Jerome)				Opponent Sampson, A (Algedine)

#	Games	Start				End
1	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Kiewiet, B (Brook-Lynn)				Opponent Meyer, J (Jordan)
2	3	Tournament Hessequa Proewe 1 2019				Tournament Hessequa Proewe 1 2019
		date 2019-01-26	rnd 3	type Standard	result 1	date 2019-01-26	rnd 5	type Standard	result 0.5
		Opponent Da Silva, E (Ethan)				Opponent Oosthuizen, H (Haygan)
3	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 4	type Standard	result 1	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent Daniels, J (Jerome)				Opponent Sampson, A (Algedine)

#	Games	Start				End
1	2	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 3	type Rapid	result 1	date 2025-07-12	rnd 4	type Rapid	result 1
		Opponent Goliath, E (Eugene)				Opponent Faller, P (Peter)
2	1	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 6	type Rapid	result 1	date 2025-07-12	rnd 6	type Rapid	result 1
		Opponent Ludick, A (Andries)				Opponent Ludick, A (Andries)
3	1	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 4	type Rapid	result 1	date 2018-09-01	rnd 4	type Rapid	result 1
		Opponent Smith, C (Cornel)				Opponent Smith, C (Cornel)

#	Games	Start				End
1	2	Tournament InterClub Blitz 3 2025				Tournament InterClub Blitz 3 2025
		date 2025-06-12	rnd 5	type Blitz	result 1	date 2025-06-12	rnd 6	type Blitz	result 1
		Opponent Rens, D (Deauwin)				Opponent Rens, D (Deauwin)
2	2	Tournament InterClub Blitz 3 2025				Tournament InterClub Blitz 3 2025
		date 2025-06-12	rnd 1	type Blitz	result 1	date 2025-06-12	rnd 2	type Blitz	result 1
		Opponent Vermeulen, E (Elster)				Opponent Vermeulen, E (Elster)

#	Games	Start				End
1	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Kiewiet, B (Brook-Lynn)				Opponent Meyer, J (Jordan)
2	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 4	type Standard	result 1	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent Daniels, J (Jerome)				Opponent Sampson, A (Algedine)
3	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Buffkins, R (Rayaan)				Opponent Fourie, C (Corne)

#	Games	Start				End
1	3	Tournament Eden Trials 3 2019				Tournament Eden Trials 3 2019
		date 2019-05-11	rnd 3	type Standard	result 1	date 2019-05-11	rnd 5	type Standard	result 1
		Opponent Kiewiet, B (Brook-Lynn)				Opponent Meyer, J (Jordan)
2	3	Tournament EDENSC Closed 2 2018				Tournament EDENSC Closed 3 2018
		date 2018-04-14	rnd 4	type Standard	result 1	date 2018-05-12	rnd 1	type Standard	result 1
		Opponent Daniels, J (Jerome)				Opponent Sampson, A (Algedine)
3	3	Tournament EDENSC Closed 1 2018				Tournament EDENSC Closed 1 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 3	type Standard	result 1
		Opponent Buffkins, R (Rayaan)				Opponent Fourie, C (Corne)

#	Games	Start				End
1	2	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 3	type Rapid	result 1	date 2025-07-12	rnd 4	type Rapid	result 1
		Opponent Goliath, E (Eugene)				Opponent Faller, P (Peter)
2	1	Tournament Knysna Oyster Festival Rapid 2025				Tournament Knysna Oyster Festival Rapid 2025
		date 2025-07-12	rnd 6	type Rapid	result 1	date 2025-07-12	rnd 6	type Rapid	result 1
		Opponent Ludick, A (Andries)				Opponent Ludick, A (Andries)
3	1	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-09-01	rnd 4	type Rapid	result 1	date 2018-09-01	rnd 4	type Rapid	result 1
		Opponent Smith, C (Cornel)				Opponent Smith, C (Cornel)

#	Games	Start				End
1	2	Tournament InterClub Blitz 3 2025				Tournament InterClub Blitz 3 2025
		date 2025-06-12	rnd 5	type Blitz	result 1	date 2025-06-12	rnd 6	type Blitz	result 1
		Opponent Rens, D (Deauwin)				Opponent Rens, D (Deauwin)
2	2	Tournament InterClub Blitz 3 2025				Tournament InterClub Blitz 3 2025
		date 2025-06-12	rnd 1	type Blitz	result 1	date 2025-06-12	rnd 2	type Blitz	result 1
		Opponent Vermeulen, E (Elster)				Opponent Vermeulen, E (Elster)

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	Williams ,I (Igor)	3	1	-141.7	0	0	0	1	1	425	2	0	-425
1	Williams ,I (Igor)	3	1346	1204.4	0	0	0	1	1200.4	1771	2	1132.4	921
2	Kiewiet ,B (Brook-Lynn)	2	2	425	2	2	425	0	0	0	0	0	0
2	Kiewiet ,B (Brook-Lynn)	2	882.6	1307.6	2	879.9	1307.6	0	0	0	0	0	0
3	Mostert ,J (Jan-Abraham)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mostert ,J (Jan-Abraham)	2	1280.8	1280.8	2	1277.8	1280.8	0	0	0	0	0	0
4	Solomon ,M (Monique)	2	1	0	2	1	0	0	0	0	0	0	0
4	Solomon ,M (Monique)	2	710.3	710.3	2	695.5	710.3	0	0	0	0	0	0
5	Adams ,L (Leonard)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Adams ,L (Leonard)	2	1232.3	807.3	1	1309	807.3	1	1200	807.3	0	0	0
6	Quirk ,T (Terence)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Quirk ,T (Terence)	2	1381.2	956.2	1	1368.2	956.2	1	1372.2	956.2	0	0	0
7	Vermeulen ,E (Elster)	2	2	425	0	0	0	0	0	0	2	2	425
7	Vermeulen ,E (Elster)	2	1269.1	1694.1	0	0	0	0	0	0	2	1200	1694.1
8	Rens ,D (Deauwin)	2	2	425	0	0	0	0	0	0	2	2	425
8	Rens ,D (Deauwin)	2	1435.1	1860.1	0	0	0	0	0	0	2	1283.4	1860.1
9	Daniels ,J (Jerome)	1	1	425	1	1	425	0	0	0	0	0	0
9	Daniels ,J (Jerome)	1	1176.8	1601.8	1	1172.4	1601.8	0	0	0	0	0	0
10	Fourie ,C (Corne)	1	1	425	1	1	425	0	0	0	0	0	0
10	Fourie ,C (Corne)	1	1122.8	1547.8	1	1128.8	1547.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Erasmus, W (Wiaan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms