PLAYER PAGE
Ian Koen
107076733Cape Town (WCT)Personal
Main rating
| Rating | 1098.1 |
| K-factor | 40 |
| Floor | 661.5 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 166 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 331.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1098.1 |
| K-factor | 40 |
| Floor | 661.5 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1089 |
| K-factor | 40 |
| Floor | 678.2 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 331.2 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1089 |
| K-factor | 40 |
| Floor | 678.2 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
Rapid rating
| Rating | 800.7 |
| 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 | 800.7 |
| K-factor | 40 |
| Floor | 500 |
| Highest | 1200 (2024-02-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 763 |
| 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 | 763 |
| 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 | Western Cape Schools Individuals 2019 (U13 Boys) | Standard | 2019-05-18 | 2019-05-19 | Eden (WEG) | 6 | 1161.5 | 6 | 1 | 891.4 | 0 | Details |
| 2 | Trial 2 Teddy/Toy Tournament 2019 (U12) | Standard | 2019-04-06 | 2019-04-06 | Overberg (WOS) | 5 | 1132.3 | 5 | 3 | 1277.1 | 0 | Details |
| 3 | Overberg School Chess Close Champs 2019 (U13 Boys) | Standard | 2019-03-08 | 2019-03-09 | Overberg (WOS) | 6 | 1084.8 | 6 | 4 | 1301.3 | 0 | Details |
| 4 | Caledon Casino 2 2018 (U12) | Standard | 2018-10-20 | 2018-10-20 | Overberg (WOS) | 5 | 1054.5 | 5 | 2.5 | 1070.6 | 0 | Details |
| 5 | Overberg 3rd Trial 2018 (U12) | Standard | 2018-05-05 | 2018-05-05 | Overberg (WOS) | 5 | 816.1 | 5 | 4 | 1226.9 | 0 | Details |
| 6 | Overberg 2nd Trial 2018 (U12) | Standard | 2018-05-05 | 2018-05-05 | Overberg (WOS) | 5 | 816.1 | 5 | 4 | 1330.2 | 0 | Details |
| 7 | Western Cape Schools Individuals 2018 (U11 Boys) | Standard | 2018-05-19 | 2018-05-20 | Overberg (WOS) | 6 | 816.1 | 6 | 2.5 | 1077.2 | 0 | Details |
| 8 | Overberg Schools Closed 2018 (U11 Boys) | Standard | 2018-03-23 | 2018-03-23 | Overberg (WOS) | 6 | 763 | 6 | 4 | 1001.8 | 0 | Details |
| 9 | Western Cape Top Schools 2017 (U11 Mix) | Standard | 2017-08-26 | 2017-08-27 | Western Cape (WC) | 5 | 690 | 5 | 3 | 818 | 0 | Details |
| 10 | Laerskool Kleinmond Open Chess Tournament 2017 (Open) | Standard | 2017-06-03 | 2017-06-03 | Overberg (WOS) | 5 | 695 | 5 | 2 | 617 | 0 | Details |
| 11 | Western Cape Championship 2017 (U11 Boys) | Standard | 2017-05-20 | 2017-05-21 | Western Province (WP) | 6 | 645 | 6 | 2 | 606 | 0 | Details |
| 12 | Overberg Standard 2 2017 (Under 12) | Standard | 2017-05-06 | 2017-05-06 | Overberg (WOS) | 5 | 645 | 5 | 4 | 955 | 0 | Details |
| 13 | Overberg Chess Fed Std1 2017 (Under 12) | Standard | 2017-04-22 | 2017-04-22 | Overberg (WOS) | 5 | 700 | 5 | 2 | 574 | 0 | Details |
| 14 | Overberg School Chess Championship 2017 (Under 11) | Standard | 2017-03-31 | 2017-04-01 | Overberg (WOS) | 7 | 700 | 7 | 4.5 | 842 | 0 | Details |
| 15 | Overberg Trial 1 2017 (Under 12) | Rapid | 2017-02-18 | 2017-02-18 | Overberg (WOS) | 5 | 100 | 5 | 3 | 172 | 0 | Details |
| 16 | South African Junior Team Championships 2016 (U10 D) | Classical | 2016-12-16 | 2016-12-19 | Tshwane (GTP) | 7 | 751 | 7 | 5 | 594 | 0 | Details |
| 17 | Overberg C4C Open 2016 (Under 10) | Standard | 2016-10-29 | 2016-10-29 | Overberg (WOS) | 5 | 671 | 5 | 4 | 972 | 0 | Details |
| 18 | 2016 Worcester Chess Club Open (U10 Boys) | Standard | 2016-09-10 | 2016-09-10 | Boland (WB) | 5 | 624 | 5 | 3.5 | 768 | 0 | Details |
| 19 | Overberg Chess Trials 2016 (U10) | Standard | 2016-09-03 | 2016-09-03 | Overberg (WOS) | 5 | 624 | 5 | 3 | 656 | 0 | Details |
| 20 | Wc Top Schools Chess Trials 2016 (U11 Mix) | Standard | 2016-08-27 | 2016-08-28 | South Western Districts (SWD) | 5 | 0 | 4 | 0 | 446 | 0 | Details |
| 21 | Marie Delport 2016 (U10 Boys) | Standard | 2016-08-13 | 2016-08-13 | Boland (WB) | 5 | 0 | 5 | 3 | 767 | 0 | Details |
| 22 | Western Cape Schools Chess Individuals 2016 (U9B) | Standard | 2016-05-21 | 2016-05-22 | Western Province (WP) | 6 | 0 | 6 | 2 | 568 | 0 | Details |
| 23 | Welgemoed Chess Challenge 2016 (U 10 2007+) | Rapid | 2016-02-27 | 2016-02-27 | Western Province (WP) | 5 | 0 | 0 | 0 | 0 | 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 | 44 |
| Wins | 24 |
| Draws | 2 |
| Losses | 18 |
| White | 24 |
| Black | 20 |
| White wins | 14 |
| Black wins | 10 |
| Score | 25 |
| Percent | 56.8 |
| Dp | 58 |
| AOR | 1081.9 |
| Performance | 1139.9 |
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 | 44 |
| Score | 25 |
| Percent | 56.8 |
| Aor | 1081.9 |
| Dp | 58 |
| Prat | 1139.9 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | De Wet, R (Rossouw) | 3 | 2 | 1 | Overberg Schools Closed 2018 (U11 Boys) | Caledon Casino 2 2018 (U12) | Details |
| Overall | 2 | Beveridge, TG (Talitha Grace) | 2 | 1 | 1 | Overberg 2nd Trial 2018 (U12) | Caledon Casino 2 2018 (U12) | Details |
| Overall | 3 | Jonas, SG (Sue-Win Gurshlin) | 2 | 1 | 1 | Overberg 3rd Trial 2018 (U12) | Overberg School Chess Close Champs 2019 (U13 Boys) | Details |
| Overall | 4 | Du Plessis, Y (Yara) | 2 | 0 | 2 | Overberg 2nd Trial 2018 (U12) | Trial 2 Teddy/Toy Tournament 2019 (U12) | Details |
| Overall | 5 | Snyders, M (Meya) | 2 | 1 | 1 | Overberg 2nd Trial 2018 (U12) | Caledon Casino 2 2018 (U12) | Details |
| Standard | 1 | De Wet, R (Rossouw) | 3 | 2 | 1 | Overberg Schools Closed 2018 (U11 Boys) | Caledon Casino 2 2018 (U12) | Details |
| Standard | 2 | Beveridge, TG (Talitha Grace) | 2 | 1 | 1 | Overberg 2nd Trial 2018 (U12) | Caledon Casino 2 2018 (U12) | Details |
| Standard | 3 | Jonas, SG (Sue-Win Gurshlin) | 2 | 1 | 1 | Overberg 3rd Trial 2018 (U12) | Overberg School Chess Close Champs 2019 (U13 Boys) | Details |
| Standard | 4 | Du Plessis, Y (Yara) | 2 | 0 | 2 | Overberg 2nd Trial 2018 (U12) | Trial 2 Teddy/Toy Tournament 2019 (U12) | Details |
| Standard | 5 | Snyders, M (Meya) | 2 | 1 | 1 | Overberg 2nd Trial 2018 (U12) | Caledon Casino 2 2018 (U12) | Details |