PLAYER PAGE
Alexander Leopoldt Cohn
1160159458Sedibeng (GSV)Personal
Main rating
| Rating | 1189.9 |
| K-factor | 36 |
| Floor | 709.2 |
| Highest | 1209.2 (2024-09-01) |
| Min/Max +/- allowed | 164 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1189.9 |
| K-factor | 36 |
| Floor | 709.2 |
| Highest | 1209.2 (2024-09-01) |
| Min/Max +/- allowed | 163.7 |
Standard rating
| Rating | 1186.7 |
| K-factor | 36 |
| Floor | 709.7 |
| Highest | 1209.7 (2024-09-01) |
| Min/Max +/- allowed | 163.5 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1186.7 |
| K-factor | 36 |
| Floor | 709.7 |
| Highest | 1209.7 (2024-09-01) |
| Min/Max +/- allowed | 163.5 |
Rapid 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 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Gauteng Top Schools 2024 (U9 Open) | Standard | 2024-10-04 | 2024-10-04 | Ekurhuleni (GE) | 5 | 1209.2 | 5 | 1 | 940.4 | 0 | Details |
| 2 | Sedibeng East D7 Teams Trials 2024 (U9) | Standard | 2024-08-03 | 2024-08-03 | Sedibeng (GSV) | 6 | 1190.4 | 6 | 3.5 | 1280.5 | 0 | Details |
| 3 | AG Visser Open 2024 (E) | Standard | 2024-06-08 | 2024-06-08 | Sedibeng (GSV) | 5 | 1199.1 | 5 | 2 | 1143.6 | 0 | Details |
| 4 | Laerskool Midvaal Chess Open Section 2024 (E) | Standard | 2024-02-10 | 2024-02-10 | Sedibeng (GSV) | 5 | 1200 | 5 | 2.5 | 1188.3 | 0 | 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 | 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 (History)
| Games | 21 |
| Wins | 8 |
| Draws | 2 |
| Losses | 11 |
| White | 10 |
| Black | 11 |
| White wins | 3 |
| Black wins | 5 |
| Score | 9 |
| Percent | 42.9 |
| Dp | -60.7 |
| AOR | 1205.7 |
| Performance | 1145 |
Rankings (Main)
| National | |
| Overall | 14525 |
| Gender | 11251 |
| Age group | 1974 |
| Gender/Age | 1457 |
| Provincial | |
| Overall | 4634 |
| Gender | 3578 |
| Age group | 607 |
| Gender/Age | 456 |
| Regional | |
| Overall | 562 |
| Gender | 445 |
| Age group | 61 |
| Gender/Age | 51 |
Rankings (Standard)
| National | |
| Overall | 11355 |
| Gender | 8685 |
| Age group | 1523 |
| Gender/Age | 1110 |
| Provincial | |
| Overall | 3898 |
| Gender | 2973 |
| Age group | 519 |
| Gender/Age | 393 |
| Regional | |
| Overall | 466 |
| Gender | 365 |
| Age group | 54 |
| Gender/Age | 48 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (12 months)
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance (History)
| Games | 21 |
| Score | 9 |
| Percent | 42.9 |
| Aor | 1205.7 |
| Dp | -60.7 |
| Prat | 1145 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Collen, L (Luca) | 3 | 2 | 1 | Sedibeng East D7 Teams Trials 2024 (U9) | Gauteng Top Schools 2024 (U9 Open) | Details |
| Overall | 2 | Malilani, AD (Atinatsa David) | 2 | 1 | 1 | Sedibeng East D7 Teams Trials 2024 (U9) | Sedibeng East D7 Teams Trials 2024 (U9) | Details |
| Overall | 3 | Lelago, J (Jonathan) | 2 | 1 | 1 | Sedibeng East D7 Teams Trials 2024 (U9) | Sedibeng East D7 Teams Trials 2024 (U9) | Details |
| Standard | 1 | Collen, L (Luca) | 3 | 2 | 1 | Sedibeng East D7 Teams Trials 2024 (U9) | Gauteng Top Schools 2024 (U9 Open) | Details |
| Standard | 2 | Malilani, AD (Atinatsa David) | 2 | 1 | 1 | Sedibeng East D7 Teams Trials 2024 (U9) | Sedibeng East D7 Teams Trials 2024 (U9) | Details |
| Standard | 3 | Lelago, J (Jonathan) | 2 | 1 | 1 | Sedibeng East D7 Teams Trials 2024 (U9) | Sedibeng East D7 Teams Trials 2024 (U9) | Details |