Chess South Africa Ratings Database

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Personal

Viljoen, W (Wynand)

Chess SA id

108087010

FIDE id

Date of birth

2008-04-08 (U20)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-06-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1278.2	1251.4	1139.7	500
Raw rating	1278.2	1251.4	1139.7	500
Weighted rating	1276	1249.2	1139.2	500
Weighted performance	969.6	942.1	851.6	0
Floor	828.2	775.8	639.7	500
K-factor	36	36	40	40
Min/Max rating change allowed	148.3	154.1	180.7	449.5
Highest rating	1364.9 2023-03-01	1282.1 2023-05-01	1221.8 2020-02-01	1200 2024-02-01
Highest raw rating	1328.2 2023-04-01	1275.8 2023-04-01	1139.7 2024-03-01	500 2024-02-01
Highest weighted rating	1328.2 2024-07-01	1275.8 2024-09-01	1139.7 2024-11-01	500 2024-11-01
Highest weighted performance	1364.9 2023-03-01	1282.1 2023-05-01	1221.8 2020-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.2	-3.1	0	0
New rating	1275	1248.2	1139.7	500
Analysis
Rating	1278.2	1251.4	1139.7	500
Raw rating	1278.2	1251.4	1139.7	500
Weighted rating	1276	1249.2	1139.2
Weighted performance	969.6	942.1	851.6
K-factor	36	36	40	40
Floor	828.2	775.8	639.7	500
Max/Min rating change allowed	148.3	154.1	180.7	449.5
Games	3	3	0	0
Score	1	1	0	0
Expected score	1.39	1.36	0	0
Score-Expected	-0.39	-0.36	0	0
Temp raw +/-	-14	-13	0	0
Final raw +/-	-14	-13	0	0
New raw rating	1264.2	1238.4	1139.7	500
New weighted rating	1275	1248.2	1139.7	500
New weighted performance	961.6	934.1	843.5	0
Temp new rating	1275	1248.2	1139.7	500
Temp new rating +/-	-3.2	-3.1	0	0
Final new rating +/-	-3.2	-3.1	0	0
New rating	1275	1248.2	1139.7	500
New K-factor	36	36	40	40
New floor	828.2	775.8	639.7	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	28	18	10
	29	24	5
	28	22	6
	0	0	0
History	215	168	47

Games since
	Main 28	Standard 18		Rapid 10		Blitz 0
Gender	Male
Age group	U18
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	195	94	48.21	-15.3	1217.9	1202.7
Standard	164	76	46.34	-31.1	1215.4	1184.3
Rapid	31	18	58.06	68.5	1231.5	1300.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1278.2	1251.4	1139.7	500
2025-11-30	1278.2	1251.4	1139.7	500
2025-11-01	1278.2	1251.4	1139.7	500
2025-09-30	1278.2	1251.4	1139.7	500
2025-09-01	1278.2	1251.4	1139.7	500
2025-08-01	1278.2	1251.4	1139.7	500
2025-07-01	1278.2	1251.4	1139.7	500
2025-06-01	1278.2	1251.4	1139.7	500
2025-05-01	1278.2	1251.4	1139.7	500
2025-04-01	1278.2	1251.4	1139.7	500
2025-03-01	1278.2	1251.4	1139.7	500
2025-02-01	1277.9	1250.8	1139.7	500
2025-01-01	1265.3	1237.8	1139.7	500
2024-12-01	1265.3	1237.8	1139.7	500
2024-11-01	1265.3	1237.8	1139.7	500
2024-10-01	1265.3	1237.8	1139.7	500
2024-09-01	1265.3	1237.8	1139.7	500
2024-11-01	1265.3	1237.8	1139.7	500
2024-07-01	1265.3	1237.8	1139.7	500
2024-06-01	1289.7	1264.4	1139.7	500
2024-05-01	1288.3	1264	1139.7	500
2024-04-01	1288.3	1264	1139.7	500
2024-03-01	1283.3	1268.3	1139.7	500
2024-02-01	1296.9	1268.3	980.4	500

Comming soon.

Tournaments

History

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (B)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	3	1	Yes	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (B)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	3	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Helderberg Chess Club Open 2026 (B)	2026-01-17	2026-01-17	Standard	Cape Town (WCT)	5	3	1	Yes	Analysis
2	Cape Town Chess Federation Closed Chess Championships 2024 (U18)	2024-06-15	2024-06-16	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
3	Steinitz Chess Festival 2024 (Open)	2024-05-10	2024-05-12	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
4	Cape Town Open Chess Championship 2024 (Intermediate)	2024-03-16	2024-03-17	Standard	Cape Town (WCT)	6	6	2.5	Yes	Analysis
5	West Coast Schools Chess Prestige Championships 2024 (U18+U20 Boys)	2024-02-24	2024-02-24	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
6	Bo-Weskus Skole Prestige 2024 (O18 Seuns)	2024-02-10	2024-02-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
7	Steinitz Open 2023 (C)	2023-05-26	2023-05-28	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis
8	Western Cape HS Individuals 2023 (U15 Boys)	2023-04-01	2023-04-02	Standard	Cape Town (WCT)	6	6	1.5	Yes	Analysis
9	Cape Town Open 2023 (Intermediate)	2023-03-25	2023-03-26	Standard	Cape Town (WCT)	6	6	4	Yes	Analysis
10	West Coast High School Championships 2023 (U15 Boys)	2023-02-18	2023-02-18	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
11	Bo-Weskus Skole Prestige 2023 (O15 Seuns)	2023-02-11	2023-02-11	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
12	ORSK Rapid 2022 (A)	2022-10-22	2022-10-22	Rapid	West Coast (WCU)	6	6	3.5	Yes	Analysis
13	South African Open 2022 (U16)	2022-07-11	2022-07-13	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
14	WP Closed 2022 (U16)	2022-06-16	2022-06-16	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
15	Stellenberg Chess Championship 2022 (Challengers 2)	2022-06-24	2022-06-25	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
16	Drakenstein Pioneers Open 2022 (C)	2022-03-26	2022-03-26	Standard	Cape Winelands (WCW)	5	5	4	Yes	Analysis
17	2020 Western Province Open (Prestige)	2020-03-07	2020-03-08	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
18	2020 Metro Trials (U13 Boys)	2020-03-13	2020-03-14	Standard	Cape Town (WCT)	5	5	1	Yes	Analysis
19	Northern Chess Cadet Series 2020 (B)	2020-02-15	2020-02-15	Standard	Cape Town (WCT)	5	5	2.5	Yes	Analysis
20	2020 Welgemoed Chess Challenge (U14)	2020-02-29	2020-02-29	Rapid	Cape Town (WCT)	5	5	3	Yes	Analysis
21	2020 East District Individuals (U13)	2020-01-31	2020-02-01	Standard	Cape Town (WCT)	6	6	4.5	Yes	Analysis
22	2020 Cape Of Good Hope Open (Open)	2020-02-21	2020-02-23	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
23	2019 Wild Card Chess Championship (U12 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
24	2019 South African Junior Team Championships (U12E)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis
25	The Manhattan Sweets & Super C National Chess Tournament 2019 (U11)	2019-09-06	2019-09-07	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
26	2019 Western Cape Closed Chess Championships (D)	2019-09-21	2019-09-22	Standard	Cape Winelands (WCW)	6	6	2	Yes	Analysis
27	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
28	2019 WP Youth Open (C)	2019-07-13	2019-07-13	Standard	Cape Town (WCT)	5	5	2	Yes	Analysis
29	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	4	3	Yes	Analysis
30	2019 Western Province Open (Open)	2019-05-25	2019-05-26	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
31	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	5	2	Yes	Analysis
32	Metro School Chess Closed Individual Trials 2019 (U11 Boys)	2019-03-01	2019-03-02	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis
33	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	5	3.5	Yes	Analysis
34	2019 Metro-East District Schools Trials (U11)	2019-02-01	2019-02-02	Standard	Cape Town (WCT)	6	5	3	Yes	Analysis
35	2018 Western Province Open (C)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
36	District East Schools Chess Open Trials 2018 (U11)	2018-02-02	2018-02-03	Standard	Cape Town (WCT)	6	6	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Steinitz Open 2023				Tournament Bo-Weskus Skole Prestige 2024
		date 2023-05-27	rnd 4	type Standard	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Stewart, S (Shaan-Roux)				Opponent Van Rooyen, S (Sergio)
2	5	Tournament South African Open 2022				Tournament ORSK Rapid 2022
		date 2022-07-13	rnd 5	type Standard	result 1	date 2022-10-22	rnd 3	type Rapid	result 0.5
		Opponent Magadla, C (Chulumanco)				Opponent Kameel, L (Lindon)
3	4	Tournament Drakenstein Pioneers Open 2022				Tournament Drakenstein Pioneers Open 2022
		date 2022-03-26	rnd 1	type Standard	result 1	date 2022-03-26	rnd 4	type Standard	result 1
		Opponent Mazibukwana, N (Nzuzo)				Opponent Naude, J (Jan-Daniel)

#	Games	Start				End
1	4	Tournament Steinitz Open 2023				Tournament Cape Town Open Chess Championship 2024
		date 2023-05-27	rnd 4	type Standard	result 1	date 2024-03-16	rnd 1	type Standard	result 1
		Opponent Stewart, S (Shaan-Roux)				Opponent Klopper, B (Ben)
2	4	Tournament South African Open 2022				Tournament West Coast High School Championships 2023
		date 2022-07-13	rnd 5	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Magadla, C (Chulumanco)				Opponent Linnert, M (Marshall)
3	4	Tournament Drakenstein Pioneers Open 2022				Tournament Drakenstein Pioneers Open 2022
		date 2022-03-26	rnd 1	type Standard	result 1	date 2022-03-26	rnd 4	type Standard	result 1
		Opponent Mazibukwana, N (Nzuzo)				Opponent Naude, J (Jan-Daniel)

#	Games	Start				End
1	4	Tournament 2020 Welgemoed Chess Challenge				Tournament ORSK Rapid 2022
		date 2020-02-29	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 3	type Rapid	result 0.5
		Opponent Damonse, R (Remur)				Opponent Kameel, L (Lindon)
2	4	Tournament Welgemoed Chess Challenge 2019				Tournament 2020 Welgemoed Chess Challenge
		date 2019-02-23	rnd 3	type Rapid	result 1	date 2020-02-29	rnd 1	type Rapid	result 1
		Opponent Govender, D (Deresh)				Opponent Khoza, Z (Zawindonga)
3	3	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Engelbrecht, L (Lionell)				Opponent Van Rooyen, S (Sergio)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament South African Open 2022				Tournament ORSK Rapid 2022
		date 2022-07-13	rnd 5	type Standard	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Magadla, C (Chulumanco)				Opponent Van Zyl, M (Mea)
2	4	Tournament Drakenstein Pioneers Open 2022				Tournament Drakenstein Pioneers Open 2022
		date 2022-03-26	rnd 1	type Standard	result 1	date 2022-03-26	rnd 4	type Standard	result 1
		Opponent Mazibukwana, N (Nzuzo)				Opponent Naude, J (Jan-Daniel)
3	3	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Engelbrecht, L (Lionell)				Opponent Van Rooyen, S (Sergio)

#	Games	Start				End
1	4	Tournament South African Open 2022				Tournament West Coast High School Championships 2023
		date 2022-07-13	rnd 5	type Standard	result 1	date 2023-02-18	rnd 2	type Standard	result 1
		Opponent Magadla, C (Chulumanco)				Opponent Linnert, M (Marshall)
2	4	Tournament Drakenstein Pioneers Open 2022				Tournament Drakenstein Pioneers Open 2022
		date 2022-03-26	rnd 1	type Standard	result 1	date 2022-03-26	rnd 4	type Standard	result 1
		Opponent Mazibukwana, N (Nzuzo)				Opponent Naude, J (Jan-Daniel)
3	3	Tournament 2019 Wild Card Chess Championship				Tournament 2020 East District Individuals
		date 2020-01-11	rnd 6	type Standard	result 1	date 2020-01-31	rnd 1	type Standard	result 1
		Opponent Ludick, L (Liam)				Opponent Mevissen, S (Soleil)

#	Games	Start				End
1	3	Tournament Bo-Weskus Skole Prestige 2024				Tournament Bo-Weskus Skole Prestige 2024
		date 2024-02-10	rnd 1	type Rapid	result 1	date 2024-02-10	rnd 3	type Rapid	result 1
		Opponent Engelbrecht, L (Lionell)				Opponent Van Rooyen, S (Sergio)
2	3	Tournament Bo-Weskus Skole Prestige 2023				Tournament Bo-Weskus Skole Prestige 2023
		date 2023-02-11	rnd 1	type Rapid	result 1	date 2023-02-11	rnd 3	type Rapid	result 1
		Opponent Van Rooyen, S (Sergio)				Opponent Kordom, M (Montino)
3	3	Tournament 2020 Welgemoed Chess Challenge				Tournament ORSK Rapid 2022
		date 2020-02-29	rnd 5	type Rapid	result 1	date 2022-10-22	rnd 2	type Rapid	result 1
		Opponent Damonse, R (Remur)				Opponent Van Zyl, M (Mea)

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	Londt ,J (Juvan)	4	0	-425	4	0	-425	0	0	0	0	0	0
1	Londt ,J (Juvan)	4	1032.9	607.9	4	1020.2	607.9	0	0	0	0	0	0
2	Van Heerden ,EJ (Ethan Joel)	3	0	-425	3	0	-425	0	0	0	0	0	0
2	Van Heerden ,EJ (Ethan Joel)	3	1243.8	818.8	3	1228.8	818.8	0	0	0	0	0	0
3	De Wit ,M (Marnus)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	De Wit ,M (Marnus)	2	1265.7	840.7	2	1251.9	840.7	0	0	0	0	0	0
4	Rosenberg ,Z (Zachary)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Rosenberg ,Z (Zachary)	2	1260.4	835.4	2	1245.1	835.4	0	0	0	0	0	0
5	Strydom ,MJ (Matthys Jacobus)	2	1	0	2	1	0	0	0	0	0	0	0
5	Strydom ,MJ (Matthys Jacobus)	2	1311.8	1311.8	2	1277.4	1311.8	0	0	0	0	0	0
6	Lavies ,D (Daniel)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
6	Lavies ,D (Daniel)	2	557.8	345.2	2	569.6	345.2	0	0	0	0	0	0
7	Van Schaik ,N (Neil)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Van Schaik ,N (Neil)	2	1283	858	2	1270.8	858	0	0	0	0	0	0
8	Rosenberg ,W (Wagheed)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Rosenberg ,W (Wagheed)	2	1376	951	2	1322.4	951	0	0	0	0	0	0
9	Adams ,K (Kyron)	2	1	0	2	1	0	0	0	0	0	0	0
9	Adams ,K (Kyron)	2	1082.1	1082.1	2	1051.4	1082.1	0	0	0	0	0	0
10	Sibanda ,V (Vivian)	2	1	0	2	1	0	0	0	0	0	0	0
10	Sibanda ,V (Vivian)	2	1117.8	1117.8	2	1099.2	1117.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Viljoen, W (Wynand)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms