PLAYER PAGE
Leighton Muller
1090303605Sedibeng (GSV)Personal
Main rating
| Rating | 1426.6 |
| K-factor | 32 |
| Floor | 917.7 |
| Highest | 1451.8 (2024-10-01) |
| Min/Max +/- allowed | 116 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 3.36 |
| SWe | -0.65 |
| Temp +/- | -20.9 |
| Penalties | 0 |
| Weight perform | 1313.2 |
| Final +/- | -20.9 |
| New Rating () | |
| Rating | 1405.7 |
| K-factor | 32 |
| Floor | 917.7 |
| Highest | 1451.8 (2024-10-01) |
| Min/Max +/- allowed | 115.8 |
Standard rating
| Rating | 1381.9 |
| K-factor | 32 |
| Floor | 902.7 |
| Highest | 1425.7 (2024-08-01) |
| Min/Max +/- allowed | 120.2 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1250 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1381.9 |
| K-factor | 32 |
| Floor | 902.7 |
| Highest | 1425.7 (2024-08-01) |
| Min/Max +/- allowed | 120.2 |
Rapid rating
| Rating | 1316.1 |
| K-factor | 36 |
| Floor | 757.2 |
| Highest | 1429.9 (2024-10-01) |
| Min/Max +/- allowed | 119.5 |
| Rating Change () | |
| Games | 5 |
| Score | 3 |
| We | 3.45 |
| SWe | -0.97 |
| Temp +/- | -35 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | -35 |
| New Rating () | |
| Rating | 1281.2 |
| K-factor | 36 |
| Floor | 757.2 |
| Highest | 1429.9 (2024-10-01) |
| Min/Max +/- allowed | 119.5 |
Blitz rating
| Rating | 1231.6 |
| K-factor | 36 |
| Floor | 734.9 |
| Highest | 1234.9 (2025-07-01) |
| Min/Max +/- allowed | 157.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1231.6 |
| K-factor | 36 |
| Floor | 734.9 |
| Highest | 1234.9 (2025-07-01) |
| Min/Max +/- allowed | 157.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Top Schools Teams 2026 (U19 Open) | Rapid | 2026-08-28 | 2026-08-28 | Ekurhuleni (GE) | 5 | 1426.6 | 5 | 3 | 1326.1 | -8.6 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | D8 Sedibeng West Team Championships 2026 (U19 Mixed + U19 Girls) | Rapid | 2026-08-22 | 2026-08-22 | Sedibeng (GSV) | 5 | 1426.6 | 5 | 4 | 1530.7 | 15.9 | Details |
| 2 | D8 (Sedibeng West) Individuals League 2026 (U18 Boys) | Rapid | 2026-05-16 | 2026-05-16 | Sedibeng (GSV) | 4 | 1404.4 | 4 | 2.5 | 1423.3 | 7.6 | Details |
| 3 | Gauteng Inter-Region at Emerald Resort 2025 (U18 Championship) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1389.9 | 5 | 3 | 1477.3 | 8.8 | Details |
| 4 | Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) | Blitz | 2025-10-25 | 2025-10-25 | Sedibeng (GSV) | 7 | 1417.7 | 7 | 3 | 1527.5 | 4.3 | Details |
| 5 | 2025 Gauteng Top Schools Teams (U19) | Standard | 2025-08-30 | 2025-08-30 | Tshwane (GTP) | 5 | 1417.7 | 5 | 2 | 1187.6 | -21.4 | Details |
| 6 | GDE (D8) Sedibeng West Schools - Teams 2025 (U19) | Standard | 2025-08-16 | 2025-08-16 | Sedibeng (GSV) | 5 | 1378.1 | 4 | 4 | 1658.1 | 21.9 | Details |
| 7 | HS Driehoek Chess Open 2025 (A+B) | Standard | 2025-06-14 | 2025-06-14 | Sedibeng (GSV) | 5 | 1349.3 | 4 | 1 | 1225.8 | -9.8 | Details |
| 8 | GDE (D8) Sedibeng West Schools Individuals 2025 (U18 Boys) | Standard | 2025-06-07 | 2025-06-07 | Sedibeng (GSV) | 5 | 1349.3 | 5 | 4 | 1551.1 | 20.4 | Details |
| 9 | Vaal Chess Club Blitz Open 31 May 2025 (A) | Blitz | 2025-05-31 | 2025-05-31 | Sedibeng (GSV) | 7 | 1349.3 | 6 | 3.5 | 1501.9 | 5.3 | Details |
| 10 | Laerskool Vaalpark Open 01 March 25 (B) | Standard | 2025-03-01 | 2025-03-01 | Sedibeng (GSV) | 5 | 1362.2 | 5 | 2 | 1295.8 | -7.1 | Details |
| 11 | Afrikaans High School Open 08 Feb 2025 (B) | Standard | 2025-02-08 | 2025-02-08 | Sedibeng (GSV) | 5 | 1341.2 | 5 | 2 | 1297.9 | -5 | Details |
| 12 | Gauteng Inter-Region at UJ 2024 (U18 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1305.7 | 5 | 4 | 1476 | 19.7 | Details |
| 13 | Gauteng Top Schools 2024 (U19 Open) | Rapid | 2024-10-05 | 2024-10-05 | Ekurhuleni (GE) | 5 | 1267.7 | 4 | 4 | 1589.4 | 21 | Details |
| 14 | Sedibeng West District Schools Chess Team's Championships 2024 (U15) | Standard | 2024-08-12 | 2024-08-12 | Sedibeng (GSV) | 5 | 1213.6 | 5 | 4 | 1513.6 | 30 | Details |
| 15 | Sedibeng Chess Open 11 May 2024 (U15) | Standard | 2024-05-11 | 2024-05-11 | Sedibeng (GSV) | 5 | 1200 | 5 | 3 | 1261 | 6.8 | 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 | 14 |
| Wins | 9 |
| Draws | 1 |
| Losses | 4 |
| White | 8 |
| Black | 7 |
| White wins | 6 |
| Black wins | 4 |
| Score | 9.5 |
| Percent | 67.9 |
| Dp | 151.8 |
| AOR | 1275.1 |
| Performance | 1426.9 |
Game statistics (History)
| Games | 79 |
| Wins | 46 |
| Draws | 6 |
| Losses | 27 |
| White | 39 |
| Black | 41 |
| White wins | 24 |
| Black wins | 23 |
| Score | 49 |
| Percent | 62 |
| Dp | 102.2 |
| AOR | 1326.6 |
| Performance | 1428.8 |
Rankings (Main)
| National | |
| Overall | 3058 |
| Gender | 2608 |
| Age group | 439 |
| Gender/Age | 370 |
| Provincial | |
| Overall | 1057 |
| Gender | 901 |
| Age group | 175 |
| Gender/Age | 145 |
| Regional | |
| Overall | 103 |
| Gender | 92 |
| Age group | 19 |
| Gender/Age | 17 |
Rankings (Standard)
| National | |
| Overall | 3510 |
| Gender | 2917 |
| Age group | 534 |
| Gender/Age | 436 |
| Provincial | |
| Overall | 1259 |
| Gender | 1060 |
| Age group | 220 |
| Gender/Age | 177 |
| Regional | |
| Overall | 134 |
| Gender | 115 |
| Age group | 26 |
| Gender/Age | 20 |
Rankings (Rapid)
| National | |
| Overall | 1861 |
| Gender | 1552 |
| Age group | 241 |
| Gender/Age | 205 |
| Provincial | |
| Overall | 404 |
| Gender | 335 |
| Age group | 58 |
| Gender/Age | 51 |
| Regional | |
| Overall | 71 |
| Gender | 62 |
| Age group | 14 |
| Gender/Age | 14 |
Rankings (Blitz)
| National | |
| Overall | 447 |
| Gender | 417 |
| Age group | 51 |
| Gender/Age | 46 |
| Provincial | |
| Overall | 145 |
| Gender | 130 |
| Age group | 19 |
| Gender/Age | 16 |
| Regional | |
| Overall | 10 |
| Gender | 10 |
| Age group | 2 |
| Gender/Age | 2 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 14 |
| Score | 9.5 |
| Percent | 67.9 |
| Aor | 1275.1 |
| Dp | 151.8 |
| Prat | 1426.9 |
Performance (12 months)
| Games | 19 |
| Score | 12.5 |
| Percent | 65.8 |
| Aor | 1306 |
| Dp | 134.2 |
| Prat | 1440.2 |
Performance (History)
| Games | 79 |
| Score | 49 |
| Percent | 62 |
| Aor | 1326.6 |
| Dp | 102.2 |
| Prat | 1428.8 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Conradie, D (Dirk) | 2 | 1 | 1 | Afrikaans High School Open 08 Feb 2025 (B) | Vaal Chess Club Blitz Open 31 May 2025 (A) | Details |
| Overall | 2 | Mittermaier, G (Gunther) | 2 | 1 | 1 | Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) | D8 (Sedibeng West) Individuals League 2026 (U18 Boys) | Details |
| Overall | 3 | Okelly, R (Ryan) | 2 | 1 | 1 | Vaal Chess Club Blitz Open 31 May 2025 (A) | Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) | Details |
| Blitz | 1 | Okelly, R (Ryan) | 2 | 1 | 1 | Vaal Chess Club Blitz Open 31 May 2025 (A) | Chess-in-the-Vaal Academy Blitz Open 25 Oct 2025 (A) | Details |