PLAYER PAGE
Matthew Retief
1080160009Bojanala Platina (NBR)Personal
Main rating
| Rating | 1840.8 |
| K-factor | 24 |
| Floor | 1349.6 |
| Highest | 1849.6 (2025-11-30) |
| Min/Max +/- allowed | 66 |
| Rating Change () | |
| Games | 9 |
| Score | 6 |
| We | 5.45 |
| SWe | 0.55 |
| Temp +/- | 13.2 |
| Penalties | 0 |
| Weight perform | 1813 |
| Final +/- | +13.2 |
| New Rating () | |
| Rating | 1854 |
| K-factor | 24 |
| Floor | 1354 |
| Highest | 1854 (2026-04-01) |
| Min/Max +/- allowed | 65.3 |
Standard rating
| Rating | 1830.8 |
| K-factor | 24 |
| Floor | 1340.1 |
| Highest | 1840.1 (2025-11-30) |
| Min/Max +/- allowed | 66.6 |
| Rating Change () | |
| Games | 9 |
| Score | 6 |
| We | 5.3 |
| SWe | 0.7 |
| Temp +/- | 16.8 |
| Penalties | 0 |
| Weight perform | 1819.7 |
| Final +/- | +16.8 |
| New Rating () | |
| Rating | 1847.6 |
| K-factor | 24 |
| Floor | 1347.6 |
| Highest | 1847.6 (2026-04-01) |
| Min/Max +/- allowed | 65.9 |
Rapid rating
| Rating | 1364.9 |
| K-factor | 36 |
| Floor | 864.9 |
| Highest | 1629.8 (2023-08-01) |
| Min/Max +/- allowed | 89.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1364.9 |
| K-factor | 36 |
| Floor | 864.9 |
| Highest | 1629.8 (2023-08-01) |
| Min/Max +/- allowed | 89.9 |
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 | South African Junior Closed Chess Championship 2026 (U18 Open) | Classical | 2026-03-28 | 2026-04-02 | Bojanala Platina (NBR) | 9 | 1840.8 | 9 | 6 | 1895.8 | 13.2 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2025 Mzansi Inter Provincial Team Championships (U18 Open) | Standard | 2025-12-15 | 2025-12-17 | Nelson Mandela Bay (ENM) | 6 | 1849.7 | 6 | 3.5 | 1773 | -7.5 | Details |
| 2 | Bojanala's Circuit Championships 4 of 4 2025 (U18) | Standard | 2025-11-01 | 2025-11-01 | Bojanala Platina (NBR) | 5 | 1839.4 | 5 | 5 | 1889.2 | 8.5 | Details |
| 3 | Bojanala's FIDE On The Orion Express 2025 (Queens) | Classical | 2025-10-03 | 2025-10-05 | Bojanala Platina (NBR) | 6 | 1780.3 | 6 | 3.5 | 2104.8 | 42.2 | Details |
| 4 | Bojanala's Clash Of Schools 2025 (Championship Open) | Rapid | 2025-08-02 | 2025-08-02 | Bojanala Platina (NBR) | 5 | 1774.7 | 5 | 3.5 | 1772.5 | 4.1 | Details |
| 5 | Najdorf Movement 2025 (Championship) | Standard | 2025-06-14 | 2025-06-16 | Bojanala Platina (NBR) | 7 | 1764.5 | 7 | 3 | 1817.8 | 7.3 | Details |
| 6 | Spartan Bishops Championships Elite 2025 (U20) | Standard | 2025-05-23 | 2025-05-25 | Frances Baard (NCF) | 5 | 1756.8 | 5 | 3.5 | 1602.1 | -10.4 | Details |
| 7 | Robday Bergsig Sport Festival 2025 (Seniors) | Rapid | 2025-05-03 | 2025-05-03 | Bojanala Platina (NBR) | 5 | 1756.8 | 5 | 5 | 1944.9 | 15.9 | Details |
| 8 | Bojanala's Rosewood Easter Open 2025 (Queens) | Standard | 2025-04-19 | 2025-04-19 | Bojanala Platina (NBR) | 5 | 1755.7 | 5 | 2.5 | 1771.6 | 0.8 | Details |
| 9 | Bojanala's Battle In The Kloof 2025 (Queens) | Standard | 2025-02-15 | 2025-02-15 | Bojanala Platina (NBR) | 5 | 1711.4 | 5 | 3.5 | 1770.1 | 7 | Details |
| 10 | Bojanala Closed Chess Championships 2025 (U18) | Classical | 2025-01-31 | 2025-02-02 | Bojanala Platina (NBR) | 5 | 1711.4 | 5 | 3 | 1801.6 | 8.2 | Details |
| 11 | Bojanala's Brink Of Activity 2024 (Queens) | Standard | 2024-11-30 | 2024-11-30 | Bojanala Platina (NBR) | 5 | 1625.1 | 5 | 3 | 1881.5 | 24.9 | Details |
| 12 | Bojanala's Battle In The Kloof 2024 (Queens) | Standard | 2024-09-21 | 2024-09-21 | Bojanala Platina (NBR) | 5 | 1574.2 | 4 | 2 | 1680.9 | 8.3 | Details |
| 13 | Bojanala's FIDE In The Sparkling Waters 2024 (Rooks) | Classical | 2024-08-16 | 2024-08-18 | Bojanala Platina (NBR) | 6 | 1443.8 | 5 | 5 | 1866.8 | 49 | Details |
| 14 | Bojanala's Clash Of Schools - Secondary 2024 (Championship) | Rapid | 2024-07-27 | 2024-07-27 | Bojanala Platina (NBR) | 5 | 1415.9 | 5 | 4 | 1646.8 | 17.3 | Details |
| 15 | Bojanala Circuit Championship 2 of 4 2024 (U18) | Standard | 2024-06-15 | 2024-06-15 | Bojanala Platina (NBR) | 5 | 1311.8 | 4 | 3 | 1563.3 | 19.8 | Details |
| 16 | Bojanala Silwerrand's Rating Implosion 2024 (Queens) | Standard | 2024-03-16 | 2024-03-16 | Bojanala Platina (NBR) | 5 | 1295.4 | 5 | 2.5 | 1382.9 | 9.1 | Details |
| 17 | Bojanala Closed Chess Championships Finals 2024 (U18) | Classical | 2024-02-09 | 2024-02-11 | Bojanala Platina (NBR) | 5 | 1295.4 | 5 | 0.5 | 1394.4 | -0.2 | Details |
| 18 | Bojanala Closed Chess Championships Stage 1 2024 (U18) | Standard | 2024-01-27 | 2024-01-27 | Bojanala Platina (NBR) | 5 | 1264.3 | 4 | 2 | 1505.5 | 17.3 | Details |
| 19 | Bojanala School League 2023 (U15) | Rapid | 2023-08-19 | 2023-08-19 | Bojanala Platina (NBR) | 5 | 1200 | 5 | 5 | 1626.6 | 35.8 | 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 | 9 |
| Wins | 3 |
| Draws | 6 |
| Losses | 0 |
| White | 5 |
| Black | 4 |
| White wins | 1 |
| Black wins | 2 |
| Score | 6 |
| Percent | 66.7 |
| Dp | 141.7 |
| AOR | 1754.1 |
| Performance | 1895.8 |
Game statistics (History)
| Games | 105 |
| Wins | 58 |
| Draws | 22 |
| Losses | 25 |
| White | 54 |
| Black | 51 |
| White wins | 31 |
| Black wins | 27 |
| Score | 69 |
| Percent | 65.7 |
| Dp | 133.6 |
| AOR | 1617 |
| Performance | 1750.5 |
Rankings (Main)
| National | |
| Overall | 194 |
| Gender | 186 |
| Age group | 22 |
| Gender/Age | 19 |
| Provincial | |
| Overall | 20 |
| Gender | 19 |
| Age group | 7 |
| Gender/Age | 6 |
| Regional | |
| Overall | 19 |
| Gender | 18 |
| Age group | 6 |
| Gender/Age | 5 |
Rankings (Standard)
| National | |
| Overall | 193 |
| Gender | 186 |
| Age group | 23 |
| Gender/Age | 20 |
| Provincial | |
| Overall | 20 |
| Gender | 19 |
| Age group | 7 |
| Gender/Age | 6 |
| Regional | |
| Overall | 19 |
| Gender | 18 |
| Age group | 6 |
| Gender/Age | 5 |
Rankings (Rapid)
| National | |
| Overall | 1129 |
| Gender | 960 |
| Age group | 99 |
| Gender/Age | 86 |
| Provincial | |
| Overall | 31 |
| Gender | 26 |
| Age group | 4 |
| Gender/Age | 4 |
| Regional | |
| Overall | 29 |
| Gender | 24 |
| Age group | 4 |
| Gender/Age | 4 |
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 | 9 |
| Score | 6 |
| Percent | 66.7 |
| Aor | 1754.1 |
| Dp | 141.7 |
| Prat | 1895.8 |
Performance ()
| Games | 9 |
| Score | 6 |
| Percent | 66.7 |
| Aor | 1754.1 |
| Dp | 141.7 |
| Prat | 1895.8 |
Performance (12 months)
| Games | 48 |
| Score | 33 |
| Percent | 68.8 |
| Aor | 1696.8 |
| Dp | 159.4 |
| Prat | 1856.2 |
Performance (History)
| Games | 105 |
| Score | 69 |
| Percent | 65.7 |
| Aor | 1617 |
| Dp | 133.6 |
| Prat | 1750.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Difotso, LR (Lebogang Rotondwa) | 6 | 5 | 1 | Bojanala Closed Chess Championships Stage 1 2024 (U18) | Bojanala's Clash Of Schools 2025 (Championship Open) | Details |
| Overall | 2 | Simpson, M (Michael) | 5 | 3 | 2 | Bojanala Closed Chess Championships Finals 2024 (U18) | Bojanala's Rosewood Easter Open 2025 (Queens) | Details |
| Overall | 3 | Dikane, O (Oageng) | 4 | 1 | 3 | Bojanala Silwerrand's Rating Implosion 2024 (Queens) | Bojanala's Clash Of Schools 2025 (Championship Open) | Details |
| Overall | 4 | Sehularo, K (Kganya) | 4 | 3 | 1 | Bojanala Silwerrand's Rating Implosion 2024 (Queens) | Bojanala's Clash Of Schools 2025 (Championship Open) | Details |
| Overall | 5 | Masilela, K (Khetho) | 2 | 1 | 1 | Bojanala Silwerrand's Rating Implosion 2024 (Queens) | Bojanala Closed Chess Championships 2025 (U18) | Details |
| Standard | 1 | Simpson, M (Michael) | 5 | 3 | 2 | Bojanala Closed Chess Championships Finals 2024 (U18) | Bojanala's Rosewood Easter Open 2025 (Queens) | Details |
| Standard | 2 | Difotso, LR (Lebogang Rotondwa) | 4 | 4 | 0 | Bojanala Closed Chess Championships Stage 1 2024 (U18) | Spartan Bishops Championships Elite 2025 (U20) | Details |
| Standard | 3 | Sehularo, K (Kganya) | 3 | 2 | 1 | Bojanala Silwerrand's Rating Implosion 2024 (Queens) | Bojanala Closed Chess Championships 2025 (U18) | Details |
| Standard | 4 | Masilela, K (Khetho) | 2 | 1 | 1 | Bojanala Silwerrand's Rating Implosion 2024 (Queens) | Bojanala Closed Chess Championships 2025 (U18) | Details |
| Standard | 5 | Mholo, O (Omolemo) | 2 | 1 | 1 | Bojanala Closed Chess Championships Stage 1 2024 (U18) | Bojanala's Circuit Championships 4 of 4 2025 (U18) | Details |
| Rapid | 1 | Difotso, LR (Lebogang Rotondwa) | 2 | 1 | 1 | Robday Bergsig Sport Festival 2025 (Seniors) | Bojanala's Clash Of Schools 2025 (Championship Open) | Details |
| Rapid | 2 | Dikane, O (Oageng) | 2 | 1 | 1 | Robday Bergsig Sport Festival 2025 (Seniors) | Bojanala's Clash Of Schools 2025 (Championship Open) | Details |