PLAYER PAGE

Sarel Pretorius

1140160060
Tshwane (GTP)
Personal
Main rating
Rating 1638.9
K-factor 28
Floor 1168.1
Highest 1723.9 (2026-01-01)
Min/Max +/- allowed 79
Rating Change
()
Games 14
Score 7.5
We 7.61
SWe -0.04
Temp +/- -1
Penalties 0
Weight perform 1621.4
Final +/- -1
New Rating
()
Rating 1637.9
K-factor 28
Floor 1168.1
Highest 1723.9 (2026-01-01)
Min/Max +/- allowed 78.6
Standard rating
Rating 1634.5
K-factor 28
Floor 1166.2
Highest 1711.7 (2026-01-01)
Min/Max +/- allowed 80
Rating Change
()
Games 14
Score 7.5
We 7.56
SWe -0.06
Temp +/- -1.6
Penalties 0
Weight perform 1621.4
Final +/- -1.6
New Rating
()
Rating 1632.8
K-factor 28
Floor 1166.2
Highest 1711.7 (2026-01-01)
Min/Max +/- allowed 80
Rapid rating
Rating 1254.7
K-factor 36
Floor 754.7
Highest 1317.3 (2023-08-01)
Min/Max +/- allowed 140.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1254.7
K-factor 36
Floor 754.7
Highest 1317.3 (2023-08-01)
Min/Max +/- allowed 140.3
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 Fourth Knight Riders Open Chess Tournament 2026 (A) Standard 2026-04-11 2026-04-11 Johannesburg Metro (GJM) 5 1638.9 5 2 1568.3 -10.7 Details
2 South African Junior Closed Chess Championship 2026 (U12 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1638.9 9 5.5 1674.7 9.6 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Lubowski Open Chess Tournament (B) Standard 2026-03-21 2026-03-22 Tshwane (GTP) 5 1643.2 5 3 1670.6 5.4 Details
2 2026 Blou Bull Chess Tournament (A) Standard 2026-02-21 2026-02-21 Tshwane (GTP) 5 1643.2 5 1.5 1465.3 -23.3 Details
3 JMC Trinityhouse Little Falls (A) Standard 2026-02-28 2026-02-28 Johannesburg Metro (GJM) 5 1643.2 5 2.5 1744.3 13.6 Details
4 2026 Tshwane Chess Registration Tournament (A) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1705.4 5 2 1529 -17.8 Details
5 2025 Mzansi Individual Championships (U12 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1694.2 6 4.5 1730.8 5.4 Details
6 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1694.2 6 3.5 1651 -5 Details
7 Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1694.2 5 3.5 1823.7 15.2 Details
8 Bojanala's FIDE On The Orion Express 2025 (Knights) Classical 2025-10-04 2025-10-05 Bojanala Platina (NBR) 7 1686.9 7 5.5 1764 13.8 Details
9 2025 Centurion Chess Open Tournament (U12) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1620 5 5 1885.8 25.4 Details
10 2025 Alekhine Open (B) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1620 5 1.5 1432.8 -19.9 Details
11 2025 Etienne Lewis Closed Chess Tournament (U12) Standard 2025-08-08 2025-08-10 Tshwane (GTP) 7 1551.5 7 6.5 1867.6 48.2 Details
12 2025 Wynie Robbertse Chess Tournament (U12) Standard 2025-07-19 2025-07-19 Tshwane (GTP) 5 1526.1 5 4 1704 18.1 Details
13 2025 Elise Steenkamp Open Chess Tournament (Queen) Standard 2025-06-14 2025-06-16 Tshwane (GTP) 7 1614.2 7 3 1431.2 -28.9 Details
14 Bojanala's Pre-Exam 2025 (Queens) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1614.2 5 0.5 1258.1 -34 Details
15 Spartan Bishops Championships Elite 2025 (U12) Standard 2025-05-23 2025-05-25 Frances Baard (NCF) 5 1589.2 5 4.5 1761.7 18 Details
16 2025 Mid Gauteng Open Chess Tournament (B) Standard 2025-04-12 2025-04-12 Tshwane (GTP) 5 1617.3 5 1 1285.6 -31.7 Details
17 South African Junior Closed Chess Championships 2025 (U12 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1617.3 9 5.5 1675.2 11.6 Details
18 Lubowski Open 2025 (B) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1639.3 5 2 1489.4 -15.8 Details
19 Bojanala's Battle In The Kloof 2025 (Queens) Standard 2025-02-15 2025-02-15 Bojanala Platina (NBR) 5 1600.4 5 3.5 1583.1 5 Details
20 Bojanala Closed Chess Championships 2025 (U12) Classical 2025-01-31 2025-02-02 Bojanala Platina (NBR) 5 1600.4 5 4 1786.8 22.8 Details
21 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1581 7 5 1629.5 9 Details
22 Bojanala's Brink Of Activity 2024 (Rooks) Standard 2024-11-30 2024-11-30 Bojanala Platina (NBR) 5 1554.5 5 3.5 1591.8 4.5 Details
23 Bojanala's e4 In The Chapel 2024 (Rooks) Standard 2024-10-26 2024-10-26 Bojanala Platina (NBR) 5 1361 5 3.5 1646 28.2 Details
24 Bojanala's Circuit Championships 4 of 4 204 (U12) Standard 2024-10-12 2024-10-12 Bojanala Platina (NBR) 5 1361 5 4.5 1688.5 32.7 Details
25 Bojanala's Battle In The Kloof 2024 (Rooks) Standard 2024-09-21 2024-09-21 Bojanala Platina (NBR) 5 1333.4 5 3 1543.2 19.8 Details
26 Bojanala Circuit Championships 3 of 4 2024 (U12) Standard 2024-09-14 2024-09-14 Bojanala Platina (NBR) 5 1333.4 5 2.5 1300.3 -2.5 Details
27 Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) Classical 2024-08-16 2024-08-18 Bojanala Platina (NBR) 6 1340.1 6 3.5 1308.2 -4.2 Details
28 2024 Midstream College Open Chess Tournament (B1) Standard 2024-07-20 2024-07-20 Tshwane (GTP) 5 1374.6 4 1 1100.6 -22.9 Details
29 2024 Prestige College Open Chess Tournament (D) Standard 2024-07-06 2024-07-06 Tshwane (GTP) 5 1374.6 5 3.5 1393.7 1.3 Details
30 FIDE in the West 2024 (Rooks) Standard 2024-06-08 2024-06-08 West Rand (GWR) 5 1365.3 5 3.5 1468.5 9.5 Details
31 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (D) Standard 2024-06-01 2024-06-01 Tshwane (GTP) 5 1365.3 4 2 1318.1 -3.7 Details
32 Bojanala Circuit Championship 1 of 4 2024 (U12) Standard 2024-05-25 2024-05-25 Bojanala Platina (NBR) 5 1437.5 5 3.5 1428.9 -1.3 Details
33 JMC Crawford International Sandton 2024 (B) Standard 2024-05-11 2024-05-11 Johannesburg Metro (GJM) 5 1437.5 4 0 875.9 -43.8 Details
34 2024 West Rand RHS Open (Open) Standard 2024-04-13 2024-04-13 West Rand (GWR) 5 1539.7 5 1 1220.4 -31.7 Details
35 2024 Milos Ristic Open Chess Tournament (A) Standard 2024-04-27 2024-04-27 Tshwane (GTP) 5 1539.7 5 1 1340.5 -18.8 Details
36 Bojanala Olienpark's One For The Ages 2024 (Rooks) Standard 2024-04-20 2024-04-20 Bojanala Platina (NBR) 5 1539.7 5 3.5 1401.9 -13.9 Details
37 Bojanala's Rating Express 2024 (Bishops) Standard 2024-04-06 2024-04-06 Bojanala Platina (NBR) 5 1539.7 5 3 1458.6 -8.3 Details
38 2024 Tshwane Chess AHS Open Chess Tournament (D2) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1378.6 5 5 1725.7 34.7 Details
39 Bojanala Closed Chess Championships Finals 2024 (U12) Classical 2024-02-09 2024-02-11 Bojanala Platina (NBR) 5 1378.6 5 3 1561.6 20.6 Details
40 Bojanala Closed Chess Championships Stage 1 2024 (U12) Standard 2024-01-27 2024-01-27 Bojanala Platina (NBR) 5 1385.2 5 3 1338.3 -3.7 Details
41 Bojanala's Merry ChessMas 2023 (Knights) Standard 2023-12-09 2023-12-09 Bojanala Platina (NBR) 5 1361.9 5 3 1502.2 12.9 Details
42 Bojanala's Spring Cleaning 2023 (Center Pawns) Standard 2023-08-26 2023-08-26 Bojanala Platina (NBR) 5 1217 5 4 1487.8 27.1 Details
43 Bojanala's Rosewood 2023 (Center Pawns) Standard 2023-08-12 2023-08-12 Bojanala Platina (NBR) 5 1217 4 3 1436.3 17.1 Details
44 Bojanala School League 2023 (U9) Rapid 2023-08-19 2023-08-19 Bojanala Platina (NBR) 7 1217 5 3 1402 15.7 Details
45 August Primary School Chess Festival 2023 (Grade 2+3 A) Rapid 2023-08-04 2023-08-04 Mangaung (FMB) 5 1217 5 3.5 1369.4 7.3 Details
46 Grenswag's Community Battle 2023 (Development) Standard 2023-04-22 2023-04-22 Bojanala Platina (NBR) 5 1200 4 3 1319 9.3 Details
Game statistics ( )
Games 5
Wins 2
Draws 0
Losses 3
White 3
Black 2
White wins 2
Black wins 0
Score 2
Percent 40
Dp -85
AOR 1653.3
Performance 1568.3
Game statistics ()
Games 34
Wins 14
Draws 5
Losses 15
White 17
Black 17
White wins 8
Black wins 6
Score 16.5
Percent 48.5
Dp -12.5
AOR 1629
Performance 1616.5
Game statistics (History)
Games 254
Wins 131
Draws 43
Losses 80
White 125
Black 129
White wins 65
Black wins 66
Score 152.5
Percent 60
Dp 85.3
AOR 1444.7
Performance 1530
Rankings (Main)
National
Overall 786
Gender 733
Age group 40
Gender/Age 35
Provincial
Overall 279
Gender 258
Age group 11
Gender/Age 9
Regional
Overall 110
Gender 104
Age group 2
Gender/Age 2
Rankings (Standard)
National
Overall 752
Gender 696
Age group 41
Gender/Age 33
Provincial
Overall 275
Gender 254
Age group 11
Gender/Age 9
Regional
Overall 111
Gender 105
Age group 2
Gender/Age 2
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 14
Score 7.5
Percent 53.6
Aor 1606.3
Dp 30.4
Prat 1636.7
Performance ()
Games 34
Score 16.5
Percent 48.5
Aor 1629
Dp -12.5
Prat 1616.5
Performance (12 months)
Games 97
Score 58.5
Percent 60.3
Aor 1562.1
Dp 87.6
Prat 1649.7
Performance (History)
Games 254
Score 152.5
Percent 60
Aor 1444.7
Dp 85.3
Prat 1530
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Changara, A (Alvis Tafadzwa) 5 1 4 Bojanala Closed Chess Championships Stage 1 2024 (U12) South African Junior Closed Chess Championships 2025 (U12 Open) Details
Overall 2 Motau, N (Neelo) 5 5 0 Bojanala Closed Chess Championships Stage 1 2024 (U12) 2025 Mzansi Individual Championships (U12 Open) Details
Overall 3 Mann, I (Iowan) 4 2 2 Bojanala Closed Chess Championships Finals 2024 (U12) Bojanala's FIDE On The Orion Express 2025 (Knights) Details
Overall 4 Loubser, LA (Lilliene) 3 3 0 Bojanala Olienpark's One For The Ages 2024 (Rooks) 2025 Elise Steenkamp Open Chess Tournament (Queen) Details
Overall 5 Smit, J (Juanru) 3 2 1 Lubowski Open 2025 (B) 2025 Centurion Chess Open Tournament (U12) Details
Standard 1 Changara, A (Alvis Tafadzwa) 5 1 4 Bojanala Closed Chess Championships Stage 1 2024 (U12) South African Junior Closed Chess Championships 2025 (U12 Open) Details
Standard 2 Motau, N (Neelo) 5 5 0 Bojanala Closed Chess Championships Stage 1 2024 (U12) 2025 Mzansi Individual Championships (U12 Open) Details
Standard 3 Mann, I (Iowan) 4 2 2 Bojanala Closed Chess Championships Finals 2024 (U12) Bojanala's FIDE On The Orion Express 2025 (Knights) Details
Standard 4 Monare, O (Oreratile) 3 0 3 Bojanala's Rosewood 2023 (Center Pawns) Bojanala's Circuit Championships 4 of 4 204 (U12) Details
Standard 5 Goncalves, E (Emilio) 3 2 1 Bojanala's Merry ChessMas 2023 (Knights) 2025 Mzansi Inter Provincial Team Championships (U12 Combined) Details