Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Joestin Viljoen

1110326897
Overberg (WOS)
Personal
Main rating
Rating 1190.9
K-factor 40
Floor 699
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1190.9
K-factor 40
Floor 699
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Standard rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Rapid rating
Rating 1183.5
K-factor 40
Floor 699
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1183.5
K-factor 40
Floor 699
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2025-08-31)
Min/Max +/- allowed 166.1
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Western Cape Schools LSEN Championship 2025 (U15) Rapid 2025-10-16 2025-10-16 Cape Winelands (WCW) 5 1198 5 2 1109.9 0 Details
2 Kleinmond Chess Club Open 2025 (U14) Rapid 2025-08-30 2025-08-30 Overberg (WOS) 6 1200 5 2 1108.4 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics (History)
Games 10
Wins 4
Draws 0
Losses 6
White 5
Black 5
White wins 2
Black wins 2
Score 4
Percent 40
Dp -85
AOR 1194.2
Performance 1109.2
Rankings (Main)
National
Overall 14405
Gender 11165
Age group 2735
Gender/Age 2045
Provincial
Overall 4248
Gender 3194
Age group 788
Gender/Age 581
Regional
Overall 360
Gender 239
Age group 62
Gender/Age 40
Rankings (Standard)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Rapid)
National
Overall 5071
Gender 3882
Age group 1085
Gender/Age 787
Provincial
Overall 2036
Gender 1532
Age group 418
Gender/Age 301
Regional
Overall 333
Gender 215
Age group 51
Gender/Age 32
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 10
Score 4
Percent 40
Aor 1194.2
Dp -85
Prat 1109.2
Performance (History)
Games 10
Score 4
Percent 40
Aor 1194.2
Dp -85
Prat 1109.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Alkaster, K (Keehourn) 2 1 1 Kleinmond Chess Club Open 2025 (U14) Western Cape Schools LSEN Championship 2025 (U15) Details
Overall 2 Louw, K (Keegan) 2 1 1 Kleinmond Chess Club Open 2025 (U14) Western Cape Schools LSEN Championship 2025 (U15) Details
Rapid 1 Alkaster, K (Keehourn) 2 1 1 Kleinmond Chess Club Open 2025 (U14) Western Cape Schools LSEN Championship 2025 (U15) Details
Rapid 2 Louw, K (Keegan) 2 1 1 Kleinmond Chess Club Open 2025 (U14) Western Cape Schools LSEN Championship 2025 (U15) Details