Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Joha Viljoen

1120316249
Cape Winelands (WCW)
Personal
Main rating
Rating 1225.1
K-factor 36
Floor 725.1
Highest 1225.1 (2026-03-01)
Min/Max +/- allowed 160
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1225.1
K-factor 36
Floor 725.1
Highest 1225.1 (2026-03-01)
Min/Max +/- allowed 160
Standard rating
Rating 1209.5
K-factor 36
Floor 709.5
Highest 1209.5 (2026-03-01)
Min/Max +/- allowed 163.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1209.5
K-factor 36
Floor 709.5
Highest 1209.5 (2026-03-01)
Min/Max +/- allowed 163.6
Rapid rating
Rating 1233.9
K-factor 36
Floor 733.9
Highest 1233.9 (2025-09-01)
Min/Max +/- allowed 158
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1233.9
K-factor 36
Floor 733.9
Highest 1233.9 (2025-09-01)
Min/Max +/- allowed 158
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-03-01)
Min/Max +/- allowed 165.8
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 36
Floor 700
Highest 1200 (2025-03-01)
Min/Max +/- allowed 165.8
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 Cape Winelands Schools - High School Trials 1 2026 (U15 Boys) Standard 2026-02-28 2026-02-28 Cape Winelands 5 1223 5 2.5 1242.4 2.1 Details
2 Stellenbosch Primary 2025 (U13) Rapid 2025-08-16 2025-08-16 Cape Winelands (WCW) 5 1199.9 5 3 1356.2 11.6 Details
3 Cape Winelands Schools - Trials 1 2025 (U13 Boys) Standard 2025-02-22 2025-02-22 Cape Winelands (WCW) 5 1200 5 2 1130.4 -6.1 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 5
Wins 2
Draws 1
Losses 2
White 3
Black 2
White wins 1
Black wins 1
Score 2.5
Percent 50
Dp 0
AOR 1242.4
Performance 1242.4
Game statistics (History)
Games 15
Wins 7
Draws 1
Losses 7
White 7
Black 8
White wins 3
Black wins 4
Score 7.5
Percent 50
Dp 0
AOR 1243
Performance 1243
Rankings (Main)
National
Overall 10802
Gender 8605
Age group 1952
Gender/Age 1500
Provincial
Overall 3060
Gender 2339
Age group 531
Gender/Age 396
Regional
Overall 472
Gender 346
Age group 95
Gender/Age 70
Rankings (Standard)
National
Overall 9806
Gender 7616
Age group 1748
Gender/Age 1317
Provincial
Overall 2801
Gender 2057
Age group 486
Gender/Age 356
Regional
Overall 461
Gender 330
Age group 93
Gender/Age 68
Rankings (Rapid)
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 (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 5
Score 2.5
Percent 50
Aor 1242.4
Dp 0
Prat 1242.4
Performance (12 months)
Games 10
Score 5.5
Percent 55
Aor 1256.8
Dp 42.5
Prat 1299.3
Performance (History)
Games 15
Score 7.5
Percent 50
Aor 1243
Dp 0
Prat 1243
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details