PLAYER PAGE
Leroux Byliefeldt
109083250Bojanala Platina (NBR)Personal
Main rating
| Rating | 1780.8 |
| K-factor | 28 |
| Floor | 1280.8 |
| Highest | 1780.8 (2026-09-01) |
| Min/Max +/- allowed | 72 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 4.33 |
| SWe | -0.27 |
| Temp +/- | -7.7 |
| Penalties | 0 |
| Weight perform | 1610.9 |
| Final +/- | -7.7 |
| New Rating () | |
| Rating | 1773.2 |
| K-factor | 28 |
| Floor | 1280.8 |
| Highest | 1780.8 (2026-09-01) |
| Min/Max +/- allowed | 72.5 |
Standard rating
| Rating | 1789.3 |
| K-factor | 28 |
| Floor | 1289.3 |
| Highest | 1789.3 (2026-07-01) |
| Min/Max +/- allowed | 71.6 |
| Rating Change () | |
| Games | 5 |
| Score | 4 |
| We | 4.35 |
| SWe | -0.35 |
| Temp +/- | -9.7 |
| Penalties | 0 |
| Weight perform | 1629.4 |
| Final +/- | -9.7 |
| New Rating () | |
| Rating | 1779.6 |
| K-factor | 28 |
| Floor | 1289.3 |
| Highest | 1789.3 (2026-07-01) |
| Min/Max +/- allowed | 71.6 |
Rapid rating
| Rating | 1310.5 |
| K-factor | 36 |
| Floor | 810.5 |
| Highest | 1310.5 (2026-09-01) |
| Min/Max +/- allowed | 141.7 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1521.3 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1310.5 |
| K-factor | 36 |
| Floor | 810.5 |
| Highest | 1310.5 (2026-09-01) |
| Min/Max +/- allowed | 141.7 |
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 | NW Provincial Chess Champioship 2026 (U17 Boys) | Standard | 2026-10-10 | 2026-10-10 | Ngaka Modiri Molema (NNM) | 5 | 1780.8 | 5 | 4 | 1388.2 | -7.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Bojanala's Clash Of Schools 2026 (Open) | Rapid | 2026-08-08 | 2026-08-08 | Bojanala Platina (NBR) | 5 | 1780.8 | 5 | 3.5 | 1791.7 | 15.6 | Details |
| 2 | Bojanala's Die Rooi Masjien 2026 (Queens) | Standard | 2026-06-06 | 2026-06-06 | Bojanala Platina (NBR) | 5 | 1719.2 | 5 | 2.5 | 1816.4 | 12.5 | Details |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |
| 7 | 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 |
| 8 | 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 |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | 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 |
| 13 | 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 |
| 14 | 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 |
| 15 | 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 |
| 16 | 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 |
| 17 | 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 |
| 18 | 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 |
| 19 | 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 |
| 20 | Lubowski Open 2025 (A) | Standard | 2025-03-21 | 2025-03-22 | Tshwane (GTP) | 5 | 1733.5 | 5 | 2 | 1657.9 | -7.5 | Details |
| 21 | 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 |
| 22 | 2025 KSNG Open (A) | Standard | 2025-02-22 | 2025-02-22 | Tshwane (GTP) | 5 | 1690.7 | 5 | 3 | 1807.1 | 12 | Details |
| 23 | 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 |
| 24 | Bojanala Wildcard 2025 (Rooks) | Standard | 2025-01-25 | 2025-01-25 | Bojanala Platina (NBR) | 5 | 1679.1 | 5 | 4 | 1664.3 | -0.2 | Details |
| 25 | 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 |
| 26 | 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 |
| 27 | 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 |
| 28 | 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 |
| 29 | 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 |
| 30 | 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 |
| 31 | 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 |
| 32 | 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 |
| 33 | 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 |
| 34 | 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 |
| 35 | 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 |
| 36 | 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 |
| 37 | 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 |
| 38 | 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 |
| 39 | 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 |
| 40 | 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 |
| 41 | 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 |
| 42 | 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 |
| 43 | 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 |
| 44 | 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 |
| 45 | 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 |
| 46 | 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 |
| 47 | 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 |
| 48 | 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 |
| 49 | 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 |
| 50 | 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 |
Game statistics ( )
| Games | 5 |
| Wins | 4 |
| Draws | 0 |
| Losses | 1 |
| White | 3 |
| Black | 2 |
| White wins | 2 |
| Black wins | 2 |
| Score | 4 |
| Percent | 80 |
| Dp | 255 |
| AOR | 1133.2 |
| Performance | 1388.2 |
Game statistics ()
| Games | 48 |
| Wins | 26 |
| Draws | 8 |
| Losses | 14 |
| White | 24 |
| Black | 24 |
| White wins | 13 |
| Black wins | 13 |
| Score | 30 |
| Percent | 62.5 |
| Dp | 106.2 |
| AOR | 1607.8 |
| Performance | 1714.1 |
Game statistics (History)
| Games | 548 |
| Wins | 309 |
| Draws | 71 |
| Losses | 168 |
| White | 276 |
| Black | 272 |
| White wins | 158 |
| Black wins | 151 |
| Score | 344.5 |
| Percent | 62.9 |
| Dp | 109.4 |
| AOR | 1358.8 |
| Performance | 1468.1 |
Rankings (Main)
| National | |
| Overall | 310 |
| Gender | 291 |
| Age group | 26 |
| Gender/Age | 24 |
| Provincial | |
| Overall | 25 |
| Gender | 24 |
| Age group | 4 |
| Gender/Age | 4 |
| Regional | |
| Overall | 23 |
| Gender | 22 |
| Age group | 4 |
| Gender/Age | 4 |
Rankings (Standard)
| National | |
| Overall | 278 |
| Gender | 262 |
| Age group | 23 |
| Gender/Age | 22 |
| Provincial | |
| Overall | 24 |
| Gender | 23 |
| Age group | 4 |
| Gender/Age | 4 |
| Regional | |
| Overall | 23 |
| Gender | 22 |
| Age group | 4 |
| Gender/Age | 4 |
Rankings (Rapid)
| National | |
| Overall | 1945 |
| Gender | 1617 |
| Age group | 255 |
| Gender/Age | 216 |
| Provincial | |
| Overall | 72 |
| Gender | 58 |
| Age group | 13 |
| Gender/Age | 11 |
| Regional | |
| Overall | 66 |
| Gender | 52 |
| Age group | 13 |
| Gender/Age | 11 |
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 | 5 |
| Score | 4 |
| Percent | 80 |
| Aor | 1133.2 |
| Dp | 255 |
| Prat | 1388.2 |
Performance ()
| Games | 48 |
| Score | 30 |
| Percent | 62.5 |
| Aor | 1607.8 |
| Dp | 106.2 |
| Prat | 1714.1 |
Performance (12 months)
| Games | 60 |
| Score | 36 |
| Percent | 60 |
| Aor | 1606.1 |
| Dp | 85 |
| Prat | 1691.1 |
Performance (History)
| Games | 548 |
| Score | 344.5 |
| Percent | 62.9 |
| Aor | 1358.8 |
| Dp | 109.4 |
| Prat | 1468.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Difotso, LR (Lebogang Rotondwa) | 14 | 8 | 6 | Laerskool Vastrap Tournament 2019 (B) | Bojanala's Clash Of Schools 2026 (Open) | Details |
| Overall | 2 | Changara, A (Adrian Tafara) | 13 | 7 | 6 | Winter Games Chess Championships 2022 (U13 Open) | Bojanala's Die Rooi Masjien 2026 (Queens) | Details |
| Overall | 3 | Letupu, L (Lemogang) | 12 | 6 | 6 | Inter Regional 2018 (U10 Team) | Bojanala's Clash Of Schools - Secondary 2024 (Championship) | Details |
| Overall | 4 | Sehularo, K (Kganya) | 10 | 4 | 6 | West Rand vs Bojanala Inter-Regional Championships 2023 (U16) | Bojanala's Clash Of Schools 2026 (Open) | Details |
| Overall | 5 | Van Der Walt, JHT (Jean Hendrik T) | 9 | 3 | 6 | Fields College Open 2019 (U12) | 2nd One For The Ages 2022 (U16) | Details |
| Standard | 1 | Difotso, LR (Lebogang Rotondwa) | 13 | 7 | 6 | Laerskool Vastrap Tournament 2019 (B) | Bojanala's Circuit Championships 1 of 4 2026 (U18-Open) | Details |
| Standard | 2 | Changara, A (Adrian Tafara) | 10 | 5 | 5 | Winter Games Chess Championships 2022 (U13 Open) | Bojanala's Die Rooi Masjien 2026 (Queens) | Details |
| Standard | 3 | Letupu, L (Lemogang) | 10 | 4 | 6 | Inter Regional 2018 (U10 Team) | Bojanala Closed Chess Championships Stage 1 2024 (U16) | Details |
| Standard | 4 | Boheim, E (Eugene) | 9 | 4 | 5 | Lebone II 2020 (U12) | South African Junior Closed Chess Championship 2026 (U18 Open) | Details |
| Standard | 5 | Van Der Walt, JHT (Jean Hendrik T) | 9 | 3 | 6 | Fields College Open 2019 (U12) | 2nd One For The Ages 2022 (U16) | Details |
| Rapid | 1 | Goliath, BB (Brimarion Brushane) | 2 | 1 | 1 | Robday Bergsig Sport Festival 2025 (Seniors) | Bojanala's Clash Of Schools 2025 (Championship Open) | Details |
| Rapid | 2 | Sehularo, K (Kganya) | 2 | 0 | 2 | Bojanala's Clash Of Schools - Secondary 2024 (Championship) | Bojanala's Clash Of Schools 2026 (Open) | Details |
| Rapid | 3 | Changara, A (Adrian Tafara) | 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 |