PLAYER PAGE
Alonzo Koen
1120149898Eden (WEG)Personal
Main rating
| Rating | 1169.3 |
| K-factor | 36 |
| Floor | 749.6 |
| Highest | 1456.5 (2023-02-01) |
| Min/Max +/- allowed | 115 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1169.3 |
| K-factor | 36 |
| Floor | 749.6 |
| Highest | 1456.5 (2023-02-01) |
| Min/Max +/- allowed | 115.1 |
Standard rating
| Rating | 1159.5 |
| K-factor | 36 |
| Floor | 758.4 |
| Highest | 1456.5 (2023-02-01) |
| Min/Max +/- allowed | 115.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1159.5 |
| K-factor | 36 |
| Floor | 758.4 |
| Highest | 1456.5 (2023-02-01) |
| Min/Max +/- allowed | 115.1 |
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 | Eden Top Schools 2025 (U13) | Standard | 2025-08-16 | 2025-08-16 | Eden (WEG) | 5 | 1182.1 | 2 | 0 | 922.2 | 0 | Details |
| 2 | Eden Chess Trials 2 2025 (U14) | Standard | 2025-03-15 | 2025-04-12 | Eden (WEG) | 10 | 1182.1 | 0 | 0 | 0 | 0 | Details |
| 3 | Eden Top Schools 2024 (U15 Open) | Standard | 2024-08-17 | 2024-08-17 | Eden (WEG) | 5 | 1189.2 | 4 | 0 | 853.1 | 0 | Details |
| 4 | Eden School Chess Trials 1 2024 (U13 Boys) | Standard | 2024-03-09 | 2024-03-09 | Eden (WEG) | 5 | 1224.2 | 5 | 1 | 1018.6 | 0 | Details |
| 5 | Eden Top Schools 2023 (U11 Mix) | Standard | 2023-08-19 | 2023-08-19 | Eden (WEG) | 5 | 1249.6 | 4 | 1 | 1069.6 | 0 | Details |
| 6 | Eden Trials 2+3 2023 (U12) | Standard | 2023-04-15 | 2023-05-13 | Eden (WEG) | 10 | 1249.6 | 0 | 0 | 0 | 0 | Details |
| 7 | 2023 Knysna School Trials #1 (U7-U11) | Standard | 2023-02-04 | 2023-02-04 | Eden (WEG) | 5 | 1200 | 5 | 4 | 1455 | 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 | 20 |
| Wins | 6 |
| Draws | 0 |
| Losses | 14 |
| White | 9 |
| Black | 11 |
| White wins | 3 |
| Black wins | 3 |
| Score | 6 |
| Percent | 30 |
| Dp | -170 |
| AOR | 1265.2 |
| Performance | 1095.2 |
Rankings (Main)
| National | |
| Overall | 16349 |
| Gender | 12476 |
| Age group | 3169 |
| Gender/Age | 2349 |
| Provincial | |
| Overall | 4777 |
| Gender | 3549 |
| Age group | 916 |
| Gender/Age | 668 |
| Regional | |
| Overall | 1162 |
| Gender | 836 |
| Age group | 215 |
| Gender/Age | 164 |
Rankings (Standard)
| National | |
| Overall | 12565 |
| Gender | 9499 |
| Age group | 2363 |
| Gender/Age | 1734 |
| Provincial | |
| Overall | 3584 |
| Gender | 2590 |
| Age group | 642 |
| Gender/Age | 451 |
| Regional | |
| Overall | 1049 |
| Gender | 736 |
| Age group | 194 |
| Gender/Age | 149 |
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 | 2 |
| Score | 0 |
| Percent | 0 |
| Aor | 1347.2 |
| Dp | -425 |
| Prat | 922.2 |
Performance (History)
| Games | 20 |
| Score | 6 |
| Percent | 30 |
| Aor | 1265.2 |
| Dp | -170 |
| Prat | 1095.2 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
