Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Ruthan Du Preez

1150333689
Pixley-ka-Seme (NCP)
Personal
Main rating
Rating 1210.7
K-factor 36
Floor 710.7
Highest 1210.7 (2026-04-01)
Min/Max +/- allowed 163
Rating Change
()
Games 5
Score 5
We 3.5
SWe 1.26
Temp +/- 45.2
Penalties 0
Weight perform 0
Final +/- +45.2
New Rating
()
Rating 1255.9
K-factor 36
Floor 755.9
Highest 1255.9 (2026-07-01)
Min/Max +/- allowed 153.1
Standard rating
Rating 1212.9
K-factor 36
Floor 712.9
Highest 1212.9 (2026-04-01)
Min/Max +/- allowed 162.8
Rating Change
()
Games 5
Score 5
We 3.54
SWe 1.46
Temp +/- 52.7
Penalties 0
Weight perform 0
Final +/- +52.7
New Rating
()
Rating 1265.6
K-factor 36
Floor 765.6
Highest 1265.6 (2026-07-01)
Min/Max +/- allowed 151
Rapid rating
Rating 1200
K-factor 40
Floor 700
Highest 1200 (2026-03-01)
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 40
Floor 700
Highest 1200 (2026-03-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1200 (2026-03-01)
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 40
Floor 700
Highest 1200 (2026-03-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Karoo Chess Club Chess Tournament 2026 (U9+U11) Standard 2026-06-23 2026-06-23 Pixley-ka-Seme (NCP) 5 1210.7 5 5 1466.2 45.2 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 HSDA Open Schools Tournament 2026 (U13+U15) Standard 2026-04-25 2026-04-25 Pixley-ka-Seme (NCP) 5 1200 5 2 1248.5 10.7 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 10
Wins 7
Draws 0
Losses 3
White 5
Black 5
White wins 5
Black wins 2
Score 7
Percent 70
Dp 170
AOR 1187.3
Performance 1357.3
Game statistics (History)
Games 10
Wins 7
Draws 0
Losses 3
White 5
Black 5
White wins 5
Black wins 2
Score 7
Percent 70
Dp 170
AOR 1187.3
Performance 1357.3
Rankings (Main)
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 (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 -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 10
Score 7
Percent 70
Aor 1187.3
Dp 170
Prat 1357.3
Performance (12 months)
Games 10
Score 7
Percent 70
Aor 1187.3
Dp 170
Prat 1357.3
Performance (History)
Games 10
Score 7
Percent 70
Aor 1187.3
Dp 170
Prat 1357.3
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details