Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Klarissa Pretorius

2070100307
Johannesburg Metro (GJM)
Personal
Main rating
Rating 1513.7
K-factor 32
Floor 1056.3
Highest 1556.3 (2023-08-01)
Min/Max +/- allowed 100
Rating Change
()
Games 5
Score 1
We 3.59
SWe -2.15
Temp +/- -68.7
Penalties 0
Weight perform 1294.4
Final +/- -68.7
New Rating
()
Rating 1445
K-factor 32
Floor 1056.3
Highest 1556.3 (2023-08-01)
Min/Max +/- allowed 99.8
Standard rating
Rating 1513.6
K-factor 32
Floor 1049.6
Highest 1566.2 (2023-07-01)
Min/Max +/- allowed 98.4
Rating Change
()
Games 5
Score 1
We 3.55
SWe -2.55
Temp +/- -81.5
Penalties 0
Weight perform 1294.4
Final +/- -81.5
New Rating
()
Rating 1432.1
K-factor 32
Floor 1049.6
Highest 1566.2 (2023-07-01)
Min/Max +/- allowed 98.4
Rapid rating
Rating 1243.9
K-factor 36
Floor 743.9
Highest 1289.2 (2024-06-01)
Min/Max +/- allowed 146
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1243.9
K-factor 36
Floor 743.9
Highest 1289.2 (2024-06-01)
Min/Max +/- allowed 146
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
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 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 JMC Helpmekaar 2026 (B) Standard 2026-05-31 2026-05-31 Johannesburg Metro (GJM) 5 1513.7 5 1 1079 -68.7 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2025 African Youth Chess Championship Classical 2025-12-07 2025-12-13 Zimbabwe (ZIM) 9 1446 9 4.5 1626.3 37 Details
2 2025 Mzansi Inter Provincial Team Championships (U20 Girls) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1446 6 5 1490.5 5.5 Details
3 MCA Winter Chill Classic 2025 (Intermediate) Standard 2025-07-19 2025-07-19 Johannesburg Metro (GJM) 5 1406.7 5 4 1665.7 24.6 Details
4 CPH May 2025 (B) Standard 2025-05-03 2025-05-03 Johannesburg Metro (GJM) 5 1408.9 4 0.5 765.3 -42.8 Details
5 South African Junior Closed Chess Championships 2025 (U18 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1436.9 9 3.5 1322.4 -25 Details
6 JMC Kick Off 2025 (C) Standard 2025-02-02 2025-02-02 Johannesburg Metro (GJM) 5 1401.5 5 4 1635.3 22.2 Details
7 Mzansi Interprovincial Youth Chess Championships 2024 (U18 Girls Combined) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1384.8 7 3.5 1241.5 -24.2 Details
8 Knight Riders Spring Chess Tournament 2024 (A) Standard 2024-09-28 2024-09-28 Johannesburg Metro (GJM) 5 1381.3 5 0.5 1253.7 -12 Details
9 Gauteng Schools Individuals Finals 2024 (U18 Girls) Standard 2024-08-17 2024-08-17 Ekurhuleni (GE) 5 1381.3 5 4 1532.4 14.1 Details
10 JMC Closed 2024 (C) Standard 2024-08-09 2024-08-11 Johannesburg Metro (GJM) 5 1404.2 5 2 1268.2 -14.3 Details
11 JMC NG Weltevreden Church 2024 Rapid 2024-06-29 2024-06-29 Johannesburg Metro (GJM) 7 1398.1 7 4 1508.7 3.8 Details
12 1st Knights Open Tournament 2024 (B) Standard 2024-03-23 2024-03-23 Johannesburg Metro (GJM) 5 1460.8 4 0 1032.6 -33.5 Details
13 JMC Unika School Tournament 2024 (C) Standard 2024-03-02 2024-03-02 Johannesburg Metro (GJM) 5 1460.8 4 2 1389.1 -5.6 Details
14 2024 Gauteng Inter-Region Chess Championship (U18A) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1456.5 5 3 1411.5 -3.9 Details
15 JMC Kick Off Tournament 2024 (C) Standard 2024-01-28 2024-01-28 Johannesburg Metro (GJM) 5 1456.5 5 3 1516.6 6.6 Details
16 2023 Gauteng Top Schools (U17 Mixed) Standard 2023-08-19 2023-08-19 West Rand (GWR) 5 1556.3 5 2 1219.7 -33 Details
17 JMC Closed Aug 2023 (U18+U20) Standard 2023-08-04 2023-08-06 Johannesburg Metro (GJM) 6 1556.3 5 0 1007.1 -61.2 Details
18 ThinkChess Tournament 29 July 2023 Standard 2023-07-29 2023-07-29 Johannesburg Metro (GJM) 5 1348 5 4.5 1601 24.1 Details
19 ThinkChess 6 July 2023 Standard 2023-07-06 2023-07-06 Johannesburg Metro (GJM) 5 1348 5 4 1529.4 17.1 Details
20 JMC Trinity Little Falls 2023 (C) Standard 2023-07-02 2023-07-02 Johannesburg Metro (GJM) 5 1348 5 4 1624 26.2 Details
21 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 Blitz 2023-07-30 2023-07-30 Johannesburg Metro (GJM) 7 1348 0 0 0 0 Details
22 ThinkChess Tournament 6 May 2023 Standard 2023-05-06 2023-05-06 Johannesburg Metro (GJM) 5 1234.9 5 4 1478.6 23.1 Details
23 Gauteng Schools Individual Finals 2023 (U18 Girls) Standard 2023-05-27 2023-05-27 Ekurhuleni (GE) 5 1234.9 5 4 1548.8 29.4 Details
24 JMC 1 St Peters 2023 (C) Standard 2023-03-18 2023-03-18 Johannesburg Metro (GJM) 5 1249.5 5 2 1174 -8.1 Details
25 Mzansi Rapid 2023 (Intermediate) Rapid 2023-02-04 2023-02-04 Johannesburg Metro (GJM) 6 1256.1 6 3 1207.1 -3.7 Details
26 Thinkchess Tournament 2023 (Group 1) Standard 2023-01-28 2023-01-28 Johannesburg Metro (GJM) 5 1277.9 5 2 1159.9 -12.1 Details
27 2022 South African Junior Team Chess Championships (U16 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1299.5 7 2 1223.4 -11.8 Details
28 Mzansi Spring Open 2022 (Young Masters) Standard 2022-09-03 2022-09-03 Johannesburg Metro (GJM) 5 1168.6 5 3 1300.4 13.4 Details
29 JMC 3rd Trials 2022 (C) Standard 2022-09-11 2022-09-11 Johannesburg Metro (GJM) 5 1168.6 5 4 1554.7 38.2 Details
30 JMC Womens Day 2022 (C) Standard 2022-08-06 2022-08-07 Johannesburg Metro (GJM) 6 1203.5 6 2 1058.5 -19.1 Details
31 South African Open 2022 (U16) Standard 2022-07-11 2022-07-13 Cape Town (WCT) 6 1181.2 6 1.5 1208.8 2.8 Details
32 JNW Helpmekaar 2022 (Rookies) Standard 2022-07-09 2022-07-09 Johannesburg Metro (GJM) 5 1181.2 5 3 1268.7 7.8 Details
33 JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18) Standard 2022-07-24 2022-07-24 Johannesburg Metro (GJM) 5 1181.2 5 2 1192.5 0.3 Details
34 Mzansi Open 2022 (Young Masters) Standard 2022-04-30 2022-05-01 Johannesburg Metro (GJM) 6 1163.5 6 3 1231.6 9 Details
35 2022 Gauteng Interregion (U16 Open) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1164.5 5 2 1154.9 -0.3 Details
36 Pinnacle College Waterfall Open (Pinnacle) Standard 2021-10-02 2021-10-03 Johannesburg Metro (GJM) 6 1134.3 6 2 1134.5 -0.2 Details
37 JMC Everest 2021 (C) Standard 2021-10-30 2021-10-30 Johannesburg Metro (GJM) 5 1134.3 5 3 1285.6 15.4 Details
38 Chessnuts 1 - 29 February 2020 (Knights) Standard 2020-02-29 2020-02-29 Johannesburg Metro (GJM) 5 1146.6 5 2 1091.3 -6.1 Details
39 Chessnuts Under 1350 Tournament 2019 (Pawns+Knights) Standard 2019-08-24 2019-08-24 Johannesburg Metro (GJM) 5 1095.1 5 4 1365.9 25.7 Details
40 Chessnuts Under 1200 6 April 2019 (Knights) Standard 2019-04-06 2019-04-06 Johannesburg Metro (GJM) 5 1079.8 4 2 1178.2 7.6 Details
41 Chessnuts Spring 2018 (Knights) Standard 2018-09-29 2018-09-29 Johannesburg Metro (GJM) 5 1124 5 1 891.4 -22.1 Details
42 JNW Club - Maragon Open 2018 (D) Standard 2018-08-04 2018-08-04 Johannesburg Metro (GJM) 5 1194.4 5 2 801.6 -35 Details
43 Chessnuts - Under 1000 Ratings Tournament 2018 (B) Standard 2018-07-21 2018-07-21 Johannesburg Metro (GJM) 5 1161.5 5 4 1272.5 16.6 Details
44 British International Prep/Chessnuts 2018 (U12) Standard 2018-06-23 2018-06-23 Johannesburg Metro (GJM) 5 1135.9 5 3 1276.1 12.9 Details
45 Fonties Challenge 2018 (U11) Standard 2018-04-21 2018-04-21 Johannesburg Metro (GJM) 5 1200 5 2 835.6 -32 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 1
Draws 0
Losses 4
White 3
Black 2
White wins 1
Black wins 0
Score 1
Percent 20
Dp -255
AOR 1334
Performance 1079
Game statistics (History)
Games 241
Wins 114
Draws 15
Losses 112
White 127
Black 114
White wins 56
Black wins 58
Score 121.5
Percent 50.4
Dp 3.5
AOR 1286
Performance 1289.6
Rankings (Main)
National
Overall 1834
Gender 209
Age group 204
Gender/Age 33
Provincial
Overall 644
Gender 83
Age group 73
Gender/Age 15
Regional
Overall 224
Gender 31
Age group 20
Gender/Age 6
Rankings (Standard)
National
Overall 1673
Gender 205
Age group 184
Gender/Age 31
Provincial
Overall 596
Gender 79
Age group 67
Gender/Age 12
Regional
Overall 204
Gender 26
Age group 15
Gender/Age 4
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 1
Percent 20
Aor 1334
Dp -255
Prat 1079
Performance (12 months)
Games 25
Score 14.5
Percent 58
Aor 1424.1
Dp 68
Prat 1492.1
Performance (History)
Games 241
Score 121.5
Percent 50.4
Aor 1286
Dp 3.5
Prat 1289.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Butler, K (Kayla) 3 1 2 JMC Trials 1 - Laerskool Fontainebleau 2022 (U16+U18) South African Junior Closed Chess Championships 2025 (U18 Girls) Details
Overall 2 Gough, R (Rowan) 3 2 1 Chessnuts Spring 2018 (Knights) Chessnuts Under 1350 Tournament 2019 (Pawns+Knights) Details
Overall 3 Bazhko, A (Anton) 3 1 2 Chessnuts Under 1350 Tournament 2019 (Pawns+Knights) JMC Kick Off Tournament 2024 (C) Details
Overall 4 Mesele, O (Oboitshepo) 3 0 3 JMC 3rd Trials 2022 (C) JMC Kick Off 2025 (C) Details
Overall 5 Chinoruma, K (Kupa) 3 1 2 JMC Everest 2021 (C) JMC 3rd Trials 2022 (C) Details
Standard 1 Chinoruma, K (Kupa) 3 1 2 JMC Everest 2021 (C) JMC 3rd Trials 2022 (C) Details
Standard 2 Mesele, O (Oboitshepo) 3 0 3 JMC 3rd Trials 2022 (C) JMC Kick Off 2025 (C) Details
Standard 3 Steyn, A (Anneke) 3 1 2 Chessnuts - Under 1000 Ratings Tournament 2018 (B) JMC 1 St Peters 2023 (C) Details
Standard 4 Gough, R (Rowan) 3 2 1 Chessnuts Spring 2018 (Knights) Chessnuts Under 1350 Tournament 2019 (Pawns+Knights) Details
Standard 5 Mupalala, K (Kenzo) 3 0 3 JMC 1 St Peters 2023 (C) CPH May 2025 (B) Details