PLAYER PAGE
Don Koshy
102067533Buffalo City (EBC)Personal
Main rating
| Rating | 1157.1 |
| K-factor | 40 |
| Floor | 657.1 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 296.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1157.1 |
| K-factor | 40 |
| Floor | 657.1 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1161.5 |
| K-factor | 40 |
| Floor | 661.5 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 296.8 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1161.5 |
| K-factor | 40 |
| Floor | 661.5 |
| Highest | 1200 (2024-11-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 805.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| 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 | 805.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 805.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| 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 | 805.6 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| 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 | Grey College Team Championship 2019 (B) | Standard | 2019-02-22 | 2019-02-23 | Mangaung (FMB) | 5 | 1128.2 | 4 | 3 | 1310.8 | 0 | Details |
| 2 | East London School League 2018 (High School) | Standard | 2018-08-18 | 2018-08-18 | Buffalo City (EBC) | 5 | 1141.8 | 4 | 2 | 1071.2 | 0 | Details |
| 3 | Buffalo Trails 3rd 2018 (U18A-Adult) | Standard | 2018-03-25 | 2018-03-25 | Buffalo City (EBC) | 5 | 919.9 | 5 | 3 | 1259 | 0 | Details |
| 4 | 2nd Buffalo Trials 2018 (U18A) | Standard | 2018-03-03 | 2018-03-03 | Buffalo City (EBC) | 5 | 919.9 | 5 | 3 | 1092.8 | 0 | Details |
| 5 | Grey College Inter Team Chess Tournament 2018 (B) | Standard | 2018-02-23 | 2018-02-24 | Mangaung (FMB) | 5 | 817.6 | 5 | 4.5 | 1289.6 | 0 | Details |
| 6 | Buffalo City 1st Chess Trials 2018 (U18A) | Standard | 2018-02-03 | 2018-02-03 | Buffalo City (EBC) | 5 | 817.6 | 5 | 2 | 869.7 | 0 | Details |
| 7 | South African Junior Team Championships 2017 (U16A) | Classical | 2018-01-04 | 2018-01-08 | 4 Knights (4K) | 7 | 805.6 | 7 | 1 | 1022.3 | 0 | Details |
| 8 | 6Th Buffalo League Blitz 2017 (Div 2) | Blitz | 2017-10-24 | 2017-10-24 | Buffalo City (EBC) | 15 | 500 | 14 | 6 | 503 | 0 | Details |
| 9 | 5Th Buffalo League 2017 (Division 1) | Standard | 2017-10-14 | 2017-10-14 | Buffalo City (EBC) | 5 | 814 | 5 | 2.5 | 722 | 0 | Details |
| 10 | 2017 3Rd Buffalo City Trials (U16 A) | Standard | 2017-05-12 | 2017-05-12 | Buffalo City (EBC) | 5 | 781 | 5 | 4 | 959 | 0 | Details |
| 11 | 2017 2Nd Buffalo City Chess Trials (U16) | Standard | 2017-04-01 | 2017-04-01 | Buffalo City (EBC) | 5 | 781 | 5 | 3.5 | 887 | 0 | Details |
| 12 | 2017 2Nd Buffalo City Chess Trials (U16) | Standard | 2017-04-01 | 2017-04-01 | Buffalo City (EBC) | 5 | 788 | 5 | 3.5 | 902 | 0 | Details |
| 13 | 2017 1St Buffalo City Chess Trials (U16) | Standard | 2017-03-18 | 2017-03-18 | Buffalo City (EBC) | 5 | 788 | 5 | 3 | 761 | 0 | Details |
| 14 | Alexander Road High School 2016 (Senior) | Standard | 2016-08-05 | 2016-08-06 | Nelson Mandela Bay (ENM) | 6 | 0 | 6 | 1.5 | 637 | 0 | Details |
| 15 | 2016 Buffalo City Chess Open Tournament 1 (C) | Standard | 2016-07-29 | 2016-07-30 | Buffalo City (EBC) | 5 | 0 | 5 | 4 | 883 | 0 | Details |
| 16 | Queens College Team Chess Tournament - 16 May 2015 (B) | Standard | 2015-05-16 | 2015-05-16 | Buffalo City (EBC) | 5 | 0 | 5 | 3 | 873 | 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 | 35 |
| Wins | 17 |
| Draws | 3 |
| Losses | 15 |
| White | 19 |
| Black | 16 |
| White wins | 9 |
| Black wins | 8 |
| Score | 18.5 |
| Percent | 52.9 |
| Dp | 24.3 |
| AOR | 1096.9 |
| Performance | 1121.1 |
Rankings (Main)
| 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 (Standard)
| 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 (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 | 35 |
| Score | 18.5 |
| Percent | 52.9 |
| Aor | 1096.9 |
| Dp | 24.3 |
| Prat | 1121.1 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Deang, A (Alman) | 2 | 1 | 1 | Buffalo Trails 3rd 2018 (U18A-Adult) | East London School League 2018 (High School) | Details |
| Standard | 1 | Deang, A (Alman) | 2 | 1 | 1 | Buffalo Trails 3rd 2018 (U18A-Adult) | East London School League 2018 (High School) | Details |