Chess South Africa Ratings Database

PLAYER PAGE

Personal

Viljoen, JS (Josias Servaas)

Chess SA id

166041769

FIDE id

14330440

Date of birth

1966-11-29 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1289.5	1298.4	1175.3	1378
Raw rating	1289.5	1298.4	1175.3	1378
Weighted rating	1289.5	1298.4	1175.3	1377.3
Weighted performance	0	0	0	0
Floor	789.5	798.4	675.3	878
K-factor	36	36	40	36
Min/Max rating change allowed	146	144.1	171.8	128.7
Highest rating	1314.3 2020-02-01	1302.7 2020-02-01	1200 2024-02-01	1378 2024-02-01
Highest raw rating	1289.5 2024-02-01	1298.4 2024-02-01	1175.3 2024-02-01	1378 2024-02-01
Highest weighted rating	1289.5 2024-02-01	1298.4 2024-02-01	1175.3 2024-11-01	1371.2 2025-08-01
Highest weighted performance	1314.3 2020-02-01	1302.7 2020-02-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1289.5	1298.4	1175.3	1378
Analysis
Rating	1289.5	1298.4	1175.3	1378
Raw rating	1289.5	1298.4	1175.3	1378
Weighted rating	1289.5	1298.4	1175.3
Weighted performance	0	0	0
K-factor	36	36	40	36
Floor	789.5	798.4	675.3	878
Max/Min rating change allowed	146	144.1	171.8	128.7
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	1289.5	1298.4	1175.3	1378
New weighted rating	1289.5	1298.4	1175.3	1378
New weighted performance	0	0	0	0
Temp new rating	1289.5	1298.4	1175.3	1378
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1289.5	1298.4	1175.3	1378
New K-factor	36	36	40	36
New floor	789.5	798.4	675.3	878

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	171	131	20	20

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	15	13.5	90	340	1046.7	1386.7
Standard	15	13.5	90	340	1046.7	1386.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1289.5	1298.4	1175.3	1378
2025-09-30	1289.5	1298.4	1175.3	1378
2025-09-01	1289.5	1298.4	1175.3	1378
2025-08-01	1289.5	1298.4	1175.3	1378
2025-07-01	1289.5	1298.4	1175.3	1378
2025-06-01	1289.5	1298.4	1175.3	1378
2025-05-01	1289.5	1298.4	1175.3	1378
2025-04-01	1289.5	1298.4	1175.3	1378
2025-03-01	1289.5	1298.4	1175.3	1378
2025-02-01	1289.5	1298.4	1175.3	1378
2025-01-01	1289.5	1298.4	1175.3	1378
2024-12-01	1289.5	1298.4	1175.3	1378
2024-11-01	1289.5	1298.4	1175.3	1378
2024-10-01	1289.5	1298.4	1175.3	1378
2024-09-01	1289.5	1298.4	1175.3	1378
2024-08-01	1289.5	1298.4	1175.3	1378
2024-07-01	1289.5	1298.4	1175.3	1378
2024-09-01	1289.5	1298.4	1175.3	1378
2024-05-01	1289.5	1298.4	1175.3	1378
2024-04-01	1289.5	1298.4	1175.3	1378
2024-03-01	1289.5	1298.4	1175.3	1378
2024-02-01	1289.5	1298.4	1175.3	1378
2024-01-01	1289.5	1298.4	1175.3	1378
2023-12-01	1289.5	1298.4	1175.3	1175.3

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	Sparticus 1 2020	2020-02-22	2020-02-22	Standard	Gert Sibande (MGS)	5	5	5	Yes	Analysis
2	Sparticus 7 2018	2018-09-01	2018-09-01	Standard	Gert Sibande (MGS)	5	5	4.5	Yes	Analysis
3	Standerton Chess Club 1st Tournament 2018 (A)	2018-03-17	2018-03-17	Standard	Gert Sibande (MGS)	5	5	4	Yes	Analysis

#	Games	Start				End
1	12	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Sparticus 1 2020
		date 2018-03-17	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Mahlaela, N (Nthokoza)				Opponent Pieters, D (Donovan)
2	2	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Standerton Chess Club 1st Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Wolmarans, IZ (Izak)				Opponent Van Zyl, J (Juane)

#	Games	Start				End
1	12	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Sparticus 1 2020
		date 2018-03-17	rnd 4	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Mahlaela, N (Nthokoza)				Opponent Pieters, D (Donovan)
2	2	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Standerton Chess Club 1st Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Wolmarans, IZ (Izak)				Opponent Van Zyl, J (Juane)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Sparticus 7 2018				Tournament Sparticus 1 2020
		date 2018-09-01	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Sibiya, TM (Thulani)				Opponent Pieters, D (Donovan)
2	5	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Sparticus 7 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 1
		Opponent Mahlaela, N (Nthokoza)				Opponent Visser, J (Janko)
3	2	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Standerton Chess Club 1st Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Wolmarans, IZ (Izak)				Opponent Van Zyl, J (Juane)

#	Games	Start				End
1	6	Tournament Sparticus 7 2018				Tournament Sparticus 1 2020
		date 2018-09-01	rnd 5	type Standard	result 1	date 2020-02-22	rnd 5	type Standard	result 1
		Opponent Sibiya, TM (Thulani)				Opponent Pieters, D (Donovan)
2	5	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Sparticus 7 2018
		date 2018-03-17	rnd 4	type Standard	result 1	date 2018-09-01	rnd 3	type Standard	result 1
		Opponent Mahlaela, N (Nthokoza)				Opponent Visser, J (Janko)
3	2	Tournament Standerton Chess Club 1st Tournament 2018				Tournament Standerton Chess Club 1st Tournament 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-03-17	rnd 2	type Standard	result 1
		Opponent Wolmarans, IZ (Izak)				Opponent Van Zyl, J (Juane)

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	Bester ,FS (Franco)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Bester ,FS (Franco)	2	1095.4	1307.9	2	1100.6	1307.9	0	0	0	0	0	0
2	Govindasamy ,K (Kyle)	2	2	425	2	2	425	0	0	0	0	0	0
2	Govindasamy ,K (Kyle)	2	1085.7	1510.7	2	1067.6	1510.7	0	0	0	0	0	0
3	Van Zyl ,J (Juane)	1	1	425	1	1	425	0	0	0	0	0	0
3	Van Zyl ,J (Juane)	1	1093.6	1518.6	1	1100.4	1518.6	0	0	0	0	0	0
4	Wolmarans ,IZ (Izak Zirk)	1	1	425	1	1	425	0	0	0	0	0	0
4	Wolmarans ,IZ (Izak Zirk)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Mahlaela ,N (Nthokoza)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mahlaela ,N (Nthokoza)	1	500	925	1	500	925	0	0	0	0	0	0
6	Cochrane ,CS (Cecil Steven)	1	1	425	1	1	425	0	0	0	0	0	0
6	Cochrane ,CS (Cecil Steven)	1	1034.2	1459.2	1	1034.2	1459.2	0	0	0	0	0	0
7	Botha ,H (Henning)	1	1	425	1	1	425	0	0	0	0	0	0
7	Botha ,H (Henning)	1	1183.1	1608.1	1	1185.2	1608.1	0	0	0	0	0	0
8	Visser ,J (Janko)	1	1	425	1	1	425	0	0	0	0	0	0
8	Visser ,J (Janko)	1	696.5	1121.5	1	716.2	1121.5	0	0	0	0	0	0
9	Sibiya ,TM (Thulani Mzwandile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Sibiya ,TM (Thulani Mzwandile)	1	1273.6	1698.6	1	1273.6	1698.6	0	0	0	0	0	0
10	Pieters ,QL (Quintin Lodewyk)	1	1	425	1	1	425	0	0	0	0	0	0
10	Pieters ,QL (Quintin Lodewyk)	1	1130.6	1555.6	1	1111	1555.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Viljoen, JS (Josias Servaas)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms