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

PLAYER PAGE

Janko Pretorius

1170318676
Waterberg (LWM)
Personal
Main rating
Rating 1338.2
K-factor 36
Floor 838.2
Highest 1338.2 (2026-10-01)
Min/Max +/- allowed 136
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1289.7
Final +/- 0
New Rating
()
Rating 1338.2
K-factor 36
Floor 838.2
Highest 1338.2 (2026-10-01)
Min/Max +/- allowed 136.2
Standard rating
Rating 1241
K-factor 36
Floor 741
Highest 1241 (2026-01-01)
Min/Max +/- allowed 156.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1241
K-factor 36
Floor 741
Highest 1241 (2026-01-01)
Min/Max +/- allowed 156.4
Rapid rating
Rating 1368.3
K-factor 36
Floor 868.3
Highest 1368.3 (2026-10-01)
Min/Max +/- allowed 130.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1357.6
Final +/- 0
New Rating
()
Rating 1368.3
K-factor 36
Floor 868.3
Highest 1368.3 (2026-10-01)
Min/Max +/- allowed 130.5
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-04-01)
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 (2025-04-01)
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 Waterberg Junior Qualifying Tournament 7 2026 (U10) Rapid 2026-09-12 2026-09-12 Waterberg (LWM) 5 1314.8 5 5 1475.1 23.3 Details
2 2026 Waterberg Junior Qualifying Tournament 6 (U10) Rapid 2026-08-01 2026-08-01 Waterberg (LWM) 5 1314.8 5 4.5 1293.2 2.9 Details
3 Waterberg Junior Qualifying Tournament #5 2026 (U10) Rapid 2026-06-20 2026-06-20 Waterberg (LWM) 5 1302.6 5 5 1302.6 9.3 Details
4 Waterberg Junior Qualifying Tournament #4 2026 (U10) Rapid 2026-05-16 2026-05-16 Waterberg (LWM) 5 1239.6 5 4.5 1535 38.8 Details
5 NaboomSpar Open Chess Tournament 27 Apr 2026 Rapid 2026-04-27 2026-04-27 Waterberg (LWM) 6 1239.6 6 4.5 1410.6 24.2 Details
6 Waterberg Open Chess Tournament 21 March 2026 Rapid 2026-03-21 2026-03-21 Waterberg (LWM) 5 1255.4 5 2 1113.8 -15.8 Details
7 2025 Mzansi Individual Championships (U10 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1223.3 6 2 1320.6 13.4 Details
8 2025 Mzansi Inter Provincial Team Championships (U10 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1223.3 6 2.5 1264.1 4.6 Details
9 NABOOMSPAR Open Chess Tournament 21 Mar 2025 (B) Rapid 2025-03-21 2025-03-21 Capricorn (LCP) 5 1200 5 3.5 1370.5 11.6 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 31
Wins 24
Draws 3
Losses 4
White 14
Black 17
White wins 9
Black wins 15
Score 25.5
Percent 82.3
Dp 274.2
AOR 1082.6
Performance 1356.8
Game statistics (History)
Games 48
Wins 31
Draws 5
Losses 12
White 22
Black 26
White wins 13
Black wins 18
Score 33.5
Percent 69.8
Dp 168.2
AOR 1173.9
Performance 1342.1
Rankings (Main)
National
Overall 4989
Gender 4144
Age group 232
Gender/Age 189
Provincial
Overall 127
Gender 121
Age group 4
Gender/Age 4
Regional
Overall 6
Gender 6
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall 7638
Gender 6024
Age group 453
Gender/Age 338
Provincial
Overall 170
Gender 151
Age group 8
Gender/Age 6
Regional
Overall 5
Gender 4
Age group 1
Gender/Age 1
Rankings (Rapid)
National
Overall 1249
Gender 1061
Age group 63
Gender/Age 53
Provincial
Overall 62
Gender 59
Age group 2
Gender/Age 2
Regional
Overall 5
Gender 5
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 31
Score 25.5
Percent 82.3
Aor 1082.6
Dp 274.2
Prat 1356.8
Performance (12 months)
Games 43
Score 30
Percent 69.8
Aor 1170.8
Dp 168
Prat 1338.8
Performance (History)
Games 48
Score 33.5
Percent 69.8
Aor 1173.9
Dp 168.2
Prat 1342.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Maswabela, B (Bokang) 3 2 1 Waterberg Junior Qualifying Tournament #5 2026 (U10) Waterberg Junior Qualifying Tournament 7 2026 (U10) Details
Overall 2 Makgato, O (Oratilwe) 3 1 2 Waterberg Junior Qualifying Tournament #4 2026 (U10) Waterberg Junior Qualifying Tournament 7 2026 (U10) Details
Overall 3 Molalatladi, K (Kgaugelo) 3 0 3 Waterberg Junior Qualifying Tournament #4 2026 (U10) Waterberg Junior Qualifying Tournament 7 2026 (U10) Details
Overall 4 Sekhaolelo, K (Kgothatso) 2 2 0 Waterberg Junior Qualifying Tournament #5 2026 (U10) 2026 Waterberg Junior Qualifying Tournament 6 (U10) Details
Rapid 1 Molalatladi, K (Kgaugelo) 3 0 3 Waterberg Junior Qualifying Tournament #4 2026 (U10) Waterberg Junior Qualifying Tournament 7 2026 (U10) Details
Rapid 2 Maswabela, B (Bokang) 3 2 1 Waterberg Junior Qualifying Tournament #5 2026 (U10) Waterberg Junior Qualifying Tournament 7 2026 (U10) Details
Rapid 3 Makgato, O (Oratilwe) 3 1 2 Waterberg Junior Qualifying Tournament #4 2026 (U10) Waterberg Junior Qualifying Tournament 7 2026 (U10) Details
Rapid 4 Sekhaolelo, K (Kgothatso) 2 2 0 Waterberg Junior Qualifying Tournament #5 2026 (U10) 2026 Waterberg Junior Qualifying Tournament 6 (U10) Details