Chess South Africa Ratings Database

PLAYER PAGE

Personal

Don, W (Wian)

Chess SA id

1050110467

FIDE id

Date of birth

2005-05-12 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-04-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1166.7	1135.2	1135.6	1200
Raw rating	1166.7	1135.2	1135.6	1200
Weighted rating	1166.7	1135.2	1135.6	1200
Weighted performance	771.4	704.7	677.8	0
Floor	741.1	753.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	173.9	181.9	181.7	165.8
Highest rating	1241.1 2020-03-01	1321.8 2019-04-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1241.1 2020-03-01	1253.4 2020-03-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1241.1 2022-05-01	1253.4 2022-02-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1227.9 2019-04-01	1321.8 2019-04-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1166.7	1135.2	1135.6	1200
Analysis
Rating	1166.7	1135.2	1135.6	1200
Raw rating	1166.7	1135.2	1135.6	1200
Weighted rating	1166.7	1135.2	1135.6
Weighted performance	771.4	704.7	677.8
K-factor	36	36	36	36
Floor	741.1	753.4	700	700
Max/Min rating change allowed	173.9	181.9	181.7	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	1166.7	1135.2	1135.6	1200
New weighted rating	1166.7	1135.2	1135.6	1200
New weighted performance	771	704.4	677.4	0
Temp new rating	1166.7	1135.2	1135.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1166.7	1135.2	1135.6	1200
New K-factor	36	36	36	36
New floor	741.1	753.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	12	5
	27	17	10
	5	0	5
History	79	47	32

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	79	38	48.1	-16.1	1184.4	1168.2
Standard	47	21.5	45.74	-36.2	1205.8	1169.6
Rapid	32	16.5	51.56	13.3	1153	1166.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1166.7	1135.2	1135.6	1200
2025-09-01	1166.7	1135.2	1135.6	1200
2025-08-01	1166.7	1135.2	1135.6	1200
2025-07-01	1166.7	1135.2	1135.6	1200
2025-06-01	1166.7	1135.2	1135.6	1200
2025-05-01	1166.7	1135.2	1135.6	1200
2025-04-01	1166.7	1135.2	1135.6	1200
2025-03-01	1166.7	1135.2	1135.6	1200
2025-02-01	1166.7	1135.2	1135.6	1200
2025-01-01	1166.7	1135.2	1135.6	1200
2024-12-01	1166.7	1135.2	1135.6	1200
2024-11-01	1166.7	1135.2	1135.6	1200
2024-10-01	1166.7	1135.2	1135.6	1200
2024-09-01	1166.7	1135.2	1135.6	1200
2024-08-01	1166.7	1135.2	1135.6	1200
2024-07-01	1166.7	1135.2	1135.6	1200
2024-06-01	1166.7	1135.2	1135.6	1200
2024-08-01	1166.7	1135.2	1135.6	1200
2024-04-01	1166.7	1135.2	1135.6	1200
2024-03-01	1166.7	1135.2	1135.6	1200
2024-02-01	1166.7	1135.2	1135.6	1200
2024-01-01	1166.7	1135.2	1135.6	1200
2023-12-01	1166.7	1135.2	1135.6	1200
2023-11-01	1166.7	1135.2	1135.6	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	Western Cape HS Individuals 2023 (U19 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
2	West Coast High School Championships 2023 (U19 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
3	Bo-Weskus Skole Prestige 2023 (Senior Seuns)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	2.5	Yes	Analysis
4	West Coast Schools Chess Grand Challenge 2022 (HS Super)	2022-10-29	2022-10-29	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
5	Pedro Booyse Top Schools 2022 (U18 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	6	5	0	Yes	Analysis
6	Bo-Weskus Top Skole 2022 (Hoerskool)	2022-06-11	2022-06-11	Rapid	West Coast (WCU)	5	5	4	Yes	Analysis
7	Western Cape Schools Chess 2022 (U18 Boys)	2022-05-07	2022-05-08	Standard	Eden (WEG)	6	6	0.5	Yes	Analysis
8	West Coast Schools Prestige 2022 (U18 Boys)	2022-02-19	2022-02-19	Standard	West Coast (WCU)	6	6	3.5	Yes	Analysis
9	Bo-Weskus Skole Skaak Prestige 2021 (O18+O20 Seuns)	2021-05-08	2021-05-08	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
10	West Coast Schools Prestige 2020 (U15 Boys)	2020-03-07	2020-03-07	Rapid	West Coast (WCU)	5	5	1.5	Yes	Analysis
11	Bo-Weskus Skole Prestige 2020 (O15 Seuns)	2020-02-15	2020-02-15	Standard	West Coast (WCU)	6	6	5.5	Yes	Analysis
12	Western Cape Schools Individuals 2019 (U15 Boys)	2019-05-04	2019-05-05	Standard	Eden (WEG)	6	6	2	Yes	Analysis
13	Weskus Skole Prestige Skaak Kampioenskappe 2019 (O15 Seuns)	2019-03-02	2019-04-06	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
14	Bo-Weskus Skole Skaak Prestige 2019 (O15 Seuns)	2019-02-16	2019-02-16	Rapid	West Coast (WCU)	7	7	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Western Cape Schools Individuals 2019				Tournament Bo-Weskus Skole Prestige 2020
		date 2019-05-05	rnd 6	type Standard	result 1	date 2020-02-15	rnd 6	type Standard	result 1
		Opponent Swart, S (Steffan)				Opponent Tembu, J (Jahiem)
2	4	Tournament Bo-Weskus Skole Skaak Prestige 2021				Tournament West Coast Schools Prestige 2022
		date 2021-05-08	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Abrahams, J (Jaden)				Opponent Janneker, J (Joel)
3	4	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 0.5
		Opponent Billet, E (Ethan)				Opponent Williams, V (Vogan)

#	Games	Start				End
1	10	Tournament Western Cape Schools Individuals 2019				Tournament West Coast Schools Prestige 2022
		date 2019-05-05	rnd 6	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Swart, S (Steffan)				Opponent Janneker, J (Joel)
2	4	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-04-06	rnd 4	type Standard	result 0.5
		Opponent Billet, E (Ethan)				Opponent Williams, V (Vogan)
3	2	Tournament West Coast High School Championships 2023				Tournament Western Cape HS Individuals 2023
		date 2023-02-18	rnd 6	type Standard	result 0.5	date 2023-04-01	rnd 1	type Standard	result 1
		Opponent Jacobs, G (Gamiel)				Opponent Minnaar, E (Ethan)

#	Games	Start				End
1	3	Tournament Bo-Weskus Top Skole 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Cloete, A (Alesundro)				Opponent Dee, M (Miceala)
2	3	Tournament Bo-Weskus Skole Skaak Prestige 2021				Tournament Bo-Weskus Top Skole 2022
		date 2021-05-08	rnd 5	type Rapid	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Abrahams, J (Jaden)				Opponent Witbooi, C (Cobie)
3	3	Tournament West Coast Schools Prestige 2020				Tournament Bo-Weskus Skole Skaak Prestige 2021
		date 2020-03-07	rnd 4	type Rapid	result 0.5	date 2021-05-08	rnd 1	type Rapid	result 1
		Opponent Cloete, H (Howard)				Opponent Corjeus, J (Jandre)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Bo-Weskus Skole Prestige 2020				Tournament Bo-Weskus Skole Prestige 2020
		date 2020-02-15	rnd 2	type Standard	result 1	date 2020-02-15	rnd 6	type Standard	result 1
		Opponent Snewe, J (Jemohen)				Opponent Tembu, J (Jahiem)
2	4	Tournament Bo-Weskus Skole Skaak Prestige 2021				Tournament West Coast Schools Prestige 2022
		date 2021-05-08	rnd 5	type Rapid	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Abrahams, J (Jaden)				Opponent Janneker, J (Joel)
3	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Billet, E (Ethan)				Opponent Ghall, D (Devan)

#	Games	Start				End
1	8	Tournament Bo-Weskus Skole Prestige 2020				Tournament West Coast Schools Prestige 2022
		date 2020-02-15	rnd 2	type Standard	result 1	date 2022-02-19	rnd 3	type Standard	result 1
		Opponent Snewe, J (Jemohen)				Opponent Janneker, J (Joel)
2	3	Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019				Tournament Weskus Skole Prestige Skaak Kampioenskappe 2019
		date 2019-03-02	rnd 1	type Standard	result 1	date 2019-03-02	rnd 3	type Standard	result 1
		Opponent Billet, E (Ethan)				Opponent Ghall, D (Devan)
3	2	Tournament West Coast High School Championships 2023				Tournament West Coast High School Championships 2023
		date 2023-02-18	rnd 3	type Standard	result 1	date 2023-02-18	rnd 4	type Standard	result 1
		Opponent Hogan, L (Lee)				Opponent Williams, V (Vogan)

#	Games	Start				End
1	3	Tournament Bo-Weskus Top Skole 2022				Tournament West Coast Schools Chess Grand Challenge 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-10-29	rnd 1	type Rapid	result 1
		Opponent Cloete, A (Alesundro)				Opponent Dee, M (Miceala)
2	3	Tournament Bo-Weskus Skole Skaak Prestige 2021				Tournament Bo-Weskus Top Skole 2022
		date 2021-05-08	rnd 5	type Rapid	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Abrahams, J (Jaden)				Opponent Witbooi, C (Cobie)
3	2	Tournament West Coast Schools Prestige 2020				Tournament Bo-Weskus Skole Skaak Prestige 2021
		date 2020-03-07	rnd 5	type Rapid	result 1	date 2021-05-08	rnd 1	type Rapid	result 1
		Opponent Wilson, J (Joshua)				Opponent Corjeus, J (Jandre)

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	Jacobs ,G (Gamiel)	4	2.5	106.2	1	0.5	0	3	2	141.7	0	0	0
1	Jacobs ,G (Gamiel)	4	1018.8	1125.1	1	1008	1018.8	3	805.3	1160.5	0	0	0
2	Janneker ,J (Joel)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Janneker ,J (Joel)	3	1288.6	1146.9	3	1284.8	1146.9	0	0	0	0	0	0
3	Minnaar ,E (Ethan)	2	1	0	2	1	0	0	0	0	0	0	0
3	Minnaar ,E (Ethan)	2	1462.1	1462.1	2	1405.9	1462.1	0	0	0	0	0	0
4	Njokweni ,L (Llyabona)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Njokweni ,L (Llyabona)	2	1338.8	913.8	2	1319.3	913.8	0	0	0	0	0	0
5	Williams ,V (Vogan)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
5	Williams ,V (Vogan)	2	1138.6	1351.1	2	1100.5	1351.1	0	0	0	0	0	0
6	Klein ,C (Calvin)	2	0	-425	1	0	-425	1	0	-425	0	0	0
6	Klein ,C (Calvin)	2	1215.2	790.2	1	1173.4	790.2	1	1164.4	790.2	0	0	0
7	Booysen ,J (Jenilo)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Booysen ,J (Jenilo)	2	1327.1	902.1	1	1202.2	902.1	1	1319.6	902.1	0	0	0
8	Tembu ,J (Jahiem)	2	2	425	1	1	425	1	1	425	0	0	0
8	Tembu ,J (Jahiem)	2	1156.1	1581.1	1	1112.4	1581.1	1	1200	1581.1	0	0	0
9	Arries ,G (Gerswin)	2	1	0	1	0	-425	1	1	425	0	0	0
9	Arries ,G (Gerswin)	2	1088.1	1088.1	1	1101.2	663.1	1	1200	1513.1	0	0	0
10	Kotze ,K (Kurt)	2	2	425	1	1	425	1	1	425	0	0	0
10	Kotze ,K (Kurt)	2	1169.9	1594.9	1	1200	1594.9	1	1146.8	1594.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Don, W (Wian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms