Chess South Africa Ratings Database

PLAYER PAGE

Personal

Davids, W (Welesley)

Chess SA id

1000099302

FIDE id

Date of birth

1900-01-01 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-10-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1808.3	1902.7	1175.8	1200
Raw rating	1808.3	1902.7	1175.8	1200
Weighted rating	1806.8	1900.8	1175.8	1200
Weighted performance	307.8	302.1	0	0
Floor	1308.3	1402.7	716.8	700
K-factor	24	24	36	36
Min/Max rating change allowed	69.7	60.9	171.6	165.8
Highest rating	1808.3 2024-02-01	1902.7 2024-02-01	1282.8 2018-07-01	1200 2018-10-01
Highest raw rating	1808.3 2024-02-01	1902.7 2024-02-01	1216.8 2018-08-01	1200 2024-02-01
Highest weighted rating	1793.2 2025-08-01	1884.1 2025-08-01	1216.8 2019-06-01	1200 2018-10-01
Highest weighted performance	1621.4 2018-03-01	1621.5 2018-03-01	1282.8 2018-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1808.3	1902.7	1175.8	1200
Analysis
Rating	1808.3	1902.7	1175.8	1200
Raw rating	1808.3	1902.7	1175.8	1200
Weighted rating	1806.8	1900.8	1175.8
Weighted performance	307.8	302.1	0
K-factor	24	24	36	36
Floor	1308.3	1402.7	716.8	700
Max/Min rating change allowed	69.7	60.9	171.6	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	1808.3	1902.7	1175.8	1200
New weighted rating	1808.3	1902.7	1175.8	1200
New weighted performance	300.2	294.5	0	0
Temp new rating	1808.3	1902.7	1175.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1808.3	1902.7	1175.8	1200
New K-factor	24	24	36	36
New floor	1308.3	1402.7	716.8	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	73	61	12

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
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	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	73	43.5	59.59	81.5	1355.5	1437
Standard	61	36	59.02	76.6	1376.1	1452.8
Rapid	12	7.5	62.5	106.2	1250.7	1356.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1808.3	1902.7	1175.8	1200
2025-09-30	1808.3	1902.7	1175.8	1200
2025-09-01	1808.3	1902.7	1175.8	1200
2025-08-01	1808.3	1902.7	1175.8	1200
2025-07-01	1808.3	1902.7	1175.8	1200
2025-06-01	1808.3	1902.7	1175.8	1200
2025-05-01	1808.3	1902.7	1175.8	1200
2025-04-01	1808.3	1902.7	1175.8	1200
2025-03-01	1808.3	1902.7	1175.8	1200
2025-02-01	1808.3	1902.7	1175.8	1200
2025-01-01	1808.3	1902.7	1175.8	1200
2024-12-01	1808.3	1902.7	1175.8	1200
2024-11-01	1808.3	1902.7	1175.8	1200
2024-10-01	1808.3	1902.7	1175.8	1200
2024-09-01	1808.3	1902.7	1175.8	1200
2024-08-01	1808.3	1902.7	1175.8	1200
2024-07-01	1808.3	1902.7	1175.8	1200
2024-09-01	1808.3	1902.7	1175.8	1200
2024-05-01	1808.3	1902.7	1175.8	1200
2024-04-01	1808.3	1902.7	1175.8	1200
2024-03-01	1808.3	1902.7	1175.8	1200
2024-02-01	1808.3	1902.7	1175.8	1200
2024-01-01	1808.3	1902.7	1175.8	1200
2023-12-01	1356.7	1347.3	1175.8	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	Mossel Bay Chess Open 2019 (A)	2019-10-04	2019-10-05	Standard	Eden (WEG)	6	6	2.5	Yes	Analysis
2	2019 Western Cape Club Championship (A+B)	2019-10-25	2019-10-27	Standard	Overberg (WOS)	6	6	1	Yes	Analysis
3	Spring Open 2019 (Open)	2019-09-14	2019-09-14	Standard	Overberg (WOS)	5	5	3.5	Yes	Analysis
4	Eden Chess League 2019 (Premier)	2019-08-17	2019-08-24	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
5	Oyster Rapid Chess Festival 2019	2019-06-30	2019-06-30	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis
6	Western Cape Chess Club Championship Dec 2018	2018-12-08	2018-12-09	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
7	Mossel Bay Open 2018 (A)	2018-09-28	2018-09-29	Standard	Eden (WEG)	6	6	3	Yes	Analysis
8	Eden Chess League 2018 (Premier)	2018-08-18	2018-09-01	Standard	Eden (WEG)	5	5	4	Yes	Analysis
9	Oyster Rapid 2018	2018-07-07	2018-07-07	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
10	Oudtshoorn Open 2018	2018-06-29	2018-06-30	Standard	Eden (WEG)	6	5	2	Yes	Analysis
11	Pacaltsdorp Chess Club Open 2018 (A)	2018-05-25	2018-05-26	Standard	Eden (WEG)	6	6	4	Yes	Analysis
12	Calitzdorp Ope 2018	2018-05-05	2018-05-05	Standard	Eden (WEG)	5	5	4	Yes	Analysis
13	Western Cape Club Championships 2018	2018-03-16	2018-03-17	Standard	Eden (WEG)	6	6	6	Yes	Analysis

#	Games	Start				End
1	10	Tournament Western Cape Club Championships 2018				Tournament Calitzdorp Ope 2018
		date 2018-03-16	rnd 1	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Bouah, D (Denise)				Opponent Swart, G (George)
2	4	Tournament Eden Chess League 2019				Tournament Spring Open 2019
		date 2019-08-24	rnd 4	type Standard	result 1	date 2019-09-14	rnd 2	type Standard	result 1
		Opponent Jacobs, A (Aiden)				Opponent Meyer, P (Peter)
3	4	Tournament Oyster Rapid 2018				Tournament Eden Chess League 2018
		date 2018-07-07	rnd 6	type Rapid	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Prince, SN (Sharna)				Opponent Coetsee, W (Wilco)

#	Games	Start				End
1	10	Tournament Western Cape Club Championships 2018				Tournament Calitzdorp Ope 2018
		date 2018-03-16	rnd 1	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Bouah, D (Denise)				Opponent Swart, G (George)
2	4	Tournament Eden Chess League 2019				Tournament Spring Open 2019
		date 2019-08-24	rnd 4	type Standard	result 1	date 2019-09-14	rnd 2	type Standard	result 1
		Opponent Jacobs, A (Aiden)				Opponent Meyer, P (Peter)
3	4	Tournament Western Cape Chess Club Championship Dec 2018				Tournament Eden Chess League 2019
		date 2018-12-09	rnd 5	type Standard	result 1	date 2019-08-17	rnd 2	type Standard	result 0.5
		Opponent Klaassen, GR (George)				Opponent Dyzel, P (Pieter)

#	Games	Start				End
1	3	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 1	type Rapid	result 1	date 2018-07-07	rnd 3	type Rapid	result 1
		Opponent Hendricks, G (Gerrit)				Opponent September, AS (Andre)
2	2	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 3	type Rapid	result 1	date 2019-06-30	rnd 4	type Rapid	result 1
		Opponent Jacobs, A (Aiden)				Opponent Meyer, J (Jared)
3	2	Tournament Oyster Rapid 2018				Tournament Oyster Rapid Chess Festival 2019
		date 2018-07-07	rnd 6	type Rapid	result 1	date 2019-06-30	rnd 1	type Rapid	result 1
		Opponent Prince, SN (Sharna)				Opponent Stuurman, L (Luciano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	10	Tournament Western Cape Club Championships 2018				Tournament Calitzdorp Ope 2018
		date 2018-03-16	rnd 1	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Bouah, D (Denise)				Opponent Swart, G (George)
2	4	Tournament Oyster Rapid 2018				Tournament Eden Chess League 2018
		date 2018-07-07	rnd 6	type Rapid	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Prince, SN (Sharna)				Opponent Coetsee, W (Wilco)
3	3	Tournament Eden Chess League 2018				Tournament Mossel Bay Open 2018
		date 2018-09-01	rnd 5	type Standard	result 1	date 2018-09-28	rnd 2	type Standard	result 1
		Opponent Klopper, JDS (Japie)				Opponent Quirk, T (Terence)

#	Games	Start				End
1	10	Tournament Western Cape Club Championships 2018				Tournament Calitzdorp Ope 2018
		date 2018-03-16	rnd 1	type Standard	result 1	date 2018-05-05	rnd 4	type Standard	result 1
		Opponent Bouah, D (Denise)				Opponent Swart, G (George)
2	3	Tournament Eden Chess League 2018				Tournament Mossel Bay Open 2018
		date 2018-09-01	rnd 5	type Standard	result 1	date 2018-09-28	rnd 2	type Standard	result 1
		Opponent Klopper, JDS (Japie)				Opponent Quirk, T (Terence)
3	3	Tournament Eden Chess League 2018				Tournament Eden Chess League 2018
		date 2018-08-18	rnd 1	type Standard	result 1	date 2018-08-18	rnd 3	type Standard	result 1
		Opponent Meyer, PJ (Pravin)				Opponent Coetsee, W (Wilco)

#	Games	Start				End
1	3	Tournament Oyster Rapid 2018				Tournament Oyster Rapid 2018
		date 2018-07-07	rnd 1	type Rapid	result 1	date 2018-07-07	rnd 3	type Rapid	result 1
		Opponent Hendricks, G (Gerrit)				Opponent September, AS (Andre)
2	2	Tournament Oyster Rapid Chess Festival 2019				Tournament Oyster Rapid Chess Festival 2019
		date 2019-06-30	rnd 3	type Rapid	result 1	date 2019-06-30	rnd 4	type Rapid	result 1
		Opponent Jacobs, A (Aiden)				Opponent Meyer, J (Jared)
3	2	Tournament Oyster Rapid 2018				Tournament Oyster Rapid Chess Festival 2019
		date 2018-07-07	rnd 6	type Rapid	result 1	date 2019-06-30	rnd 1	type Rapid	result 1
		Opponent Prince, SN (Sharna)				Opponent Stuurman, L (Luciano)

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	Agulhas ,J (Justin)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Agulhas ,J (Justin)	3	1378.2	1378.2	3	1378.5	1378.2	0	0	0	0	0	0
2	Swart ,G (George)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
2	Swart ,G (George)	3	1497.4	1639	3	1492	1639	0	0	0	0	0	0
3	Botha ,R (Ralph)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Botha ,R (Ralph)	2	1207	994.5	2	1061.8	994.5	0	0	0	0	0	0
4	Quirk ,T (Terence)	2	2	425	2	2	425	0	0	0	0	0	0
4	Quirk ,T (Terence)	2	1521.3	1946.3	2	1531.1	1946.3	0	0	0	0	0	0
5	Meyer ,PJ (Pravin Jody)	2	1	0	2	1	0	0	0	0	0	0	0
5	Meyer ,PJ (Pravin Jody)	2	1426	1426	2	1443.7	1426	0	0	0	0	0	0
6	Jaars ,T (Thomas)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
6	Jaars ,T (Thomas)	2	1344.5	1557	2	1336.6	1557	0	0	0	0	0	0
7	Coetzee ,JS (Jurgen Shaun)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Coetzee ,JS (Jurgen Shaun)	2	1400.3	1187.8	2	1404.1	1187.8	0	0	0	0	0	0
8	Geduld ,L (Lucian)	2	0	-425	1	0	-425	1	0	-425	0	0	0
8	Geduld ,L (Lucian)	2	1364.6	939.6	1	1424.8	939.6	1	927.3	939.6	0	0	0
9	Jacobs ,A (Aiden)	2	2	425	1	1	425	1	1	425	0	0	0
9	Jacobs ,A (Aiden)	2	1263.2	1688.2	1	1288.5	1688.2	1	1149.2	1688.2	0	0	0
10	Joseph ,C (Cohen-Lee)	2	0.5	-212.5	0	0	0	2	0.5	-212.5	0	0	0
10	Joseph ,C (Cohen-Lee)	2	1188.5	976	0	0	0	2	1177.1	976	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Davids, W (Welesley)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms