PLAYER PAGE

Leroux Byliefeldt

109083250
Bojanala Platina (NBR)
Personal
Main rating
Rating 1719.2
K-factor 28
Floor 1271.8
Highest 1771.8 (2025-11-01)
Min/Max +/- allowed 73
Rating Change
()
Games 5
Score 3.5
We 2.15
SWe 1.12
Temp +/- 31.5
Penalties 0
Weight perform 1731.3
Final +/- +31.5
New Rating
()
Rating 1750.6
K-factor 28
Floor 1271.8
Highest 1771.8 (2025-11-01)
Min/Max +/- allowed 73.4
Standard rating
Rating 1718.6
K-factor 28
Floor 1258.3
Highest 1758.3 (2025-11-01)
Min/Max +/- allowed 74.8
Rating Change
()
Games 5
Score 3.5
We 2.18
SWe 1.32
Temp +/- 37.1
Penalties 0
Weight perform 1763.3
Final +/- +44.7
New Rating
()
Rating 1763.3
K-factor 28
Floor 1263.3
Highest 1763.3 (2026-06-01)
Min/Max +/- allowed 74.3
Rapid rating
Rating 1146.1
K-factor 40
Floor 646.1
Highest 1205.8 (2025-09-01)
Min/Max +/- allowed 164.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1383.7
Final +/- 0
New Rating
()
Rating 1146.1
K-factor 40
Floor 646.1
Highest 1205.8 (2025-09-01)
Min/Max +/- allowed 164.4
Blitz rating
Rating 1182
K-factor 40
Floor 541
Highest 1216.8 (2022-12-01)
Min/Max +/- allowed 161.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1182
K-factor 40
Floor 541
Highest 1216.8 (2022-12-01)
Min/Max +/- allowed 161.9
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Bojanala's Circuit Championships 1 of 4 2026 (U18-Open) Standard 2026-05-30 2026-05-30 Bojanala Platina (NBR) 5 1719.2 5 3.5 1955 31.5 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U18 Open) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1720.4 9 5 1722.7 2 Details
2 South African Junior Closed Chess Championship 2026 (Blitz) Blitz 2026-03-31 2026-03-31 Bojanala Platina (NBR) 9 1720.4 9 6 1661.5 -3.2 Details
3 Bojanala Closed Chess Championships 2026 (U18) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1718.7 5 3.5 1819.3 11.2 Details
4 Bojanala Wildcard Chess Championships 2026 (Open) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1717.3 5 2 1592.9 -13.4 Details
5 2025 Mzansi Individual Championships (U18 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1772.3 6 3.5 1663 -15.2 Details
6 2025 Mzansi Inter Provincial Team Championships (U18 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1772.3 6 2.5 1535.5 -25.9 Details
7 Bojanala's Battle Of Mount Cambridge 2025 (Bishops) Standard 2025-10-11 2025-10-11 Bojanala Platina (NBR) 5 1758.8 5 5 1844 10 Details
8 Bojanala's FIDE On The Orion Express 2025 (Queens) Classical 2025-10-03 2025-10-05 Bojanala Platina (NBR) 6 1758.8 6 3 1743 -0.6 Details
9 Bojanala's Rusties - The Champions' Tournament 2025 (Queens) Standard 2025-09-13 2025-09-13 Bojanala Platina (NBR) 5 1759.2 5 3 1762.5 -0.3 Details
10 Bojanala's Clash Of Schools 2025 (Championship Open) Rapid 2025-08-02 2025-08-02 Bojanala Platina (NBR) 5 1740.5 5 4.5 1877 13.3 Details
11 Bojanala's Pre-Exam 2025 (Queens) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1751.2 5 2.5 1679.4 -7.6 Details
12 Spartan Bishops Championships Elite 2025 (U18) Standard 2025-05-23 2025-05-25 Frances Baard (NCF) 5 1750.8 5 4 1729.7 -1.7 Details
13 Bojanala's Circuit Championships 2 of 4 2025 (U18) Standard 2025-05-17 2025-05-17 Bojanala Platina (NBR) 5 1750.8 5 4.5 1696 -0.8 Details
14 Robday Bergsig Sport Festival 2025 (Seniors) Rapid 2025-05-03 2025-05-03 Bojanala Platina (NBR) 5 1750.8 5 4.5 1742 2.9 Details
15 Bojanala's Rosewood Easter Open 2025 (Queens) Standard 2025-04-19 2025-04-19 Bojanala Platina (NBR) 5 1742.5 5 3 1761.9 1.2 Details
16 South African Junior Closed Chess Championships 2025 (U16 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1742.5 9 5.5 1768.7 4.8 Details
17 Lubowski Open 2025 (A) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1733.5 5 2 1657.9 -7.5 Details
18 Bojanala's Waterkloof - The Superior One 2025 (Queens) Standard 2025-03-15 2025-03-15 Bojanala Platina (NBR) 5 1733.5 5 3.5 1869.1 13.9 Details
19 2025 KSNG Open (A) Standard 2025-02-22 2025-02-22 Tshwane (GTP) 5 1690.7 5 3 1807.1 12 Details
20 Bojanala's Battle In The Kloof 2025 (Queens) Standard 2025-02-15 2025-02-15 Bojanala Platina (NBR) 5 1690.7 5 3.5 1707.3 3.2 Details
21 Bojanala Wildcard 2025 (Rooks) Standard 2025-01-25 2025-01-25 Bojanala Platina (NBR) 5 1679.1 5 4 1664.3 -0.2 Details
22 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1648.9 6 5.5 1794 21.4 Details
23 Bojanala Circuit Championships 3 of 4 2024 (U16) Standard 2024-09-14 2024-09-14 Bojanala Platina (NBR) 5 1613.1 5 4.5 1867.3 25.6 Details
24 North West Schools Finals 2024 (U15 Boys) Standard 2024-08-24 2024-08-24 Ngaka Modiri Molema (NNM) 5 1612.8 5 4.5 1695 8.6 Details
25 Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) Classical 2024-08-16 2024-08-18 Bojanala Platina (NBR) 6 1612.8 6 2.5 1541.8 -8.4 Details
26 Bojanala's Clash Of Schools - Secondary 2024 (Championship) Rapid 2024-07-27 2024-07-27 Bojanala Platina (NBR) 5 1630.7 5 1.5 1396.5 -18.5 Details
27 Menlopark Open Chess Tournament 2024 (A) Standard 2024-07-13 2024-07-13 Tshwane (GTP) 5 1630.7 5 2.5 1683.1 5.8 Details
28 South African Junior Closed Chess Championship 2024 (U16 Open) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1629.7 9 4 1626.9 -1.6 Details
29 Spartan Bishops Chess Championships 2024 (Bishops) Standard 2024-05-04 2024-05-05 Bojanala Platina (NBR) 5 1629.7 5 4 1601.8 -3.2 Details
30 Bojanala's Rating Express 2024 (Queens) Standard 2024-04-06 2024-04-06 Bojanala Platina (NBR) 5 1574 5 4 1750.9 16.6 Details
31 Bojanala Silwerrand's Rating Implosion 2024 (Queens) Standard 2024-03-16 2024-03-16 Bojanala Platina (NBR) 5 1547.7 5 4 1668.6 11.3 Details
32 2024 Piet Robbertse Open Chess Tournament (B) Standard 2024-02-03 2024-02-04 Tshwane (GTP) 5 1501.7 5 3.5 1756.8 28.9 Details
33 Bojanala Closed Chess Championships Stage 1 2024 (U16) Standard 2024-01-27 2024-01-27 Bojanala Platina (NBR) 5 1501.4 5 2.5 1494.9 0.2 Details
34 2023 Cross Border Chess Championships Gaborone vs Bojanala Classical 2023-12-14 2023-12-16 Botswana (BOT) 5 1533.4 5 3.5 1249 -19.8 Details
35 West Rand vs Bojanala Inter-Regional Championships 2023 (U16) Standard 2023-10-14 2023-10-14 West Rand (GWR) 5 1486.7 5 4 1732.9 23.4 Details
36 Bojanala's Battle Of Mount Cambridge 2023 (FIDE Queens) Standard 2023-09-16 2023-09-16 Bojanala Platina (NBR) 5 1466 5 3 1591.4 12.9 Details
37 Bojanala's Spring Cleaning 2023 (Queens) Standard 2023-08-26 2023-08-26 Bojanala Platina (NBR) 5 1482.9 5 2 1538.4 6 Details
38 Bojanala School League 2023 (High School Open) Rapid 2023-08-19 2023-08-19 Bojanala Platina (NBR) 5 1482.9 5 1.5 1289.1 -16.5 Details
39 Bojanala's FIDE in the Sparkling Waters 2023 (Prestige) Classical 2023-07-28 2023-07-30 Bojanala Platina (NBR) 6 1507.5 6 2.5 1398.5 -15.4 Details
40 Olienpark - 2nd One for the Ages 2023 (Open) Standard 2023-05-13 2023-05-13 Bojanala Platina (NBR) 5 1509.1 5 3 1506.3 -0.8 Details
41 2023 South African Junior Closed Chess Championships (U14 Open) Classical 2023-03-31 2023-04-04 Chess South Africa (CSA) 9 1546.2 9 4 1440 -23.2 Details
42 Schoemies Kings & Queens 2023 (Queens) Standard 2023-03-18 2023-03-18 Bojanala Platina (NBR) 5 1526.5 5 3 1680.5 12.4 Details
43 One For The Ages 2023 (Open) Standard 2023-02-18 2023-02-18 Bojanala Platina (NBR) 5 1531.5 5 3 1505.3 -3.2 Details
44 Harties Wolf Pack 2023 (FIDE Queens) Standard 2023-01-21 2023-01-21 Bojanala Platina (NBR) 5 1533.7 5 3 1526.2 -1.3 Details
45 2022 South African Junior Team Chess Championships (U14 Open) Classical 2022-12-04 2022-12-08 4 Knights (4K) 7 1585.9 7 2.5 1374.6 -33.8 Details
46 2022 South Africa Junior Blitz Chess Championships (U14) Blitz 2022-12-05 2022-12-05 4 Knights (4K) 7 1585.9 7 5 1628.2 1.2 Details
47 West Rand vs Bojanala 2022 (U14A) Standard 2022-11-05 2022-11-05 Bojanala Platina (NBR) 6 1533.8 6 5.5 1783.4 29.4 Details
48 FIDE at The King`s Gate 2.0 2022 (A) Standard 2022-10-21 2022-10-23 Bojanala Platina (NBR) 5 1572 5 2 1347.5 -24 Details
49 Bojanala Chess Federation Wildcards 2022 (Bishops) Standard 2022-08-20 2022-08-20 Bojanala Platina (NBR) 5 1452.1 5 5 1791.1 34.3 Details
50 Bojanala Chess Federation Clash of Schools 2022 (PS Championship) Standard 2022-07-22 2022-07-22 Bojanala Platina (NBR) 5 1374.4 5 5 1753.5 36.4 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 33
Wins 17
Draws 6
Losses 10
White 16
Black 17
White wins 8
Black wins 9
Score 20
Percent 60.6
Dp 90.2
AOR 1646
Performance 1736.2
Game statistics (History)
Games 533
Wins 300
Draws 69
Losses 164
White 268
Black 265
White wins 153
Black wins 147
Score 334.5
Percent 62.8
Dp 108.4
AOR 1354.1
Performance 1462.6
Rankings (Main)
National
Overall 473
Gender 441
Age group 41
Gender/Age 38
Provincial
Overall 38
Gender 34
Age group 9
Gender/Age 7
Regional
Overall 34
Gender 30
Age group 9
Gender/Age 7
Rankings (Standard)
National
Overall 438
Gender 408
Age group 38
Gender/Age 35
Provincial
Overall 39
Gender 35
Age group 8
Gender/Age 6
Regional
Overall 35
Gender 31
Age group 8
Gender/Age 6
Rankings (Rapid)
National
Overall 5869
Gender 4407
Age group 746
Gender/Age 564
Provincial
Overall 230
Gender 172
Age group 55
Gender/Age 45
Regional
Overall 227
Gender 169
Age group 55
Gender/Age 45
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 33
Score 20
Percent 60.6
Aor 1646
Dp 90.2
Prat 1736.2
Performance (12 months)
Games 66
Score 41.5
Percent 62.9
Aor 1623.3
Dp 109.5
Prat 1732.7
Performance (History)
Games 533
Score 334.5
Percent 62.8
Aor 1354.1
Dp 108.4
Prat 1462.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Letupu, L (Lemogang) 12 6 6 Inter Regional 2018 (U10 Team) Bojanala's Clash Of Schools - Secondary 2024 (Championship) Details
Overall 2 Difotso, LR (Lebogang Rotondwa) 12 7 5 Laerskool Vastrap Tournament 2019 (B) Bojanala Closed Chess Championships 2026 (U18) Details
Overall 3 Changara, A (Adrian Tafara) 11 6 5 Winter Games Chess Championships 2022 (U13 Open) South African Junior Closed Chess Championship 2026 (Blitz) Details
Overall 4 Van Der Walt, JHT (Jean Hendrik T) 9 3 6 Fields College Open 2019 (U12) 2nd One For The Ages 2022 (U16) Details
Overall 5 Sehularo, K (Kganya) 9 4 5 West Rand vs Bojanala Inter-Regional Championships 2023 (U16) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Standard 1 Difotso, LR (Lebogang Rotondwa) 12 7 5 Laerskool Vastrap Tournament 2019 (B) Bojanala Closed Chess Championships 2026 (U18) Details
Standard 2 Letupu, L (Lemogang) 10 4 6 Inter Regional 2018 (U10 Team) Bojanala Closed Chess Championships Stage 1 2024 (U16) Details
Standard 3 Boheim, E (Eugene) 9 4 5 Lebone II 2020 (U12) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Standard 4 Van Der Walt, JHT (Jean Hendrik T) 9 3 6 Fields College Open 2019 (U12) 2nd One For The Ages 2022 (U16) Details
Standard 5 Sehularo, K (Kganya) 8 4 4 West Rand vs Bojanala Inter-Regional Championships 2023 (U16) South African Junior Closed Chess Championship 2026 (U18 Open) Details
Rapid 1 Changara, A (Adrian Tafara) 2 1 1 Robday Bergsig Sport Festival 2025 (Seniors) Bojanala's Clash Of Schools 2025 (Championship Open) Details
Rapid 2 Goliath, BB (Brimarion Brushane) 2 1 1 Robday Bergsig Sport Festival 2025 (Seniors) Bojanala's Clash Of Schools 2025 (Championship Open) Details
Blitz 1 Marx, HB (Heinrich Butow) 2 1 1 Bojanala Fields Rapid-Blitz-Blindfold Champions 2022 (Blitz A) 2022 South Africa Junior Blitz Chess Championships (U14) Details