PLAYER PAGE
Martin Koen
107094878Ekurhuleni (GE)Personal
Main rating
| Rating | 1130.4 |
| K-factor | 36 |
| Floor | 700 |
| 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 | 402.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1130.4 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
Standard rating
| Rating | 1113.6 |
| K-factor | 36 |
| Floor | 700 |
| 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 | 402.1 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1113.6 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-02-01) |
| Min/Max +/- allowed | 165.8 |
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 | 1075.2 |
| 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 | 1075.2 |
| 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 | 2019 South African Top Schools Team Championships (U13 Open) | Standard | 2020-01-10 | 2020-01-11 | 4 Knights (4K) | 5 | 1131.9 | 5 | 2 | 1135.1 | 0 | Details |
| 2 | Boksburg Chess Club Open 2019 (C) | Standard | 2019-07-13 | 2019-07-13 | Ekurhuleni (GE) | 5 | 1098.4 | 5 | 2 | 1183.9 | 0 | Details |
| 3 | Ekurhuleni North School District Finals 2019 (U13 Boys) | Standard | 2019-05-11 | 2019-05-11 | Ekurhuleni (GE) | 5 | 1060.9 | 5 | 3 | 1247.1 | 0 | Details |
| 4 | Ekurhuleni Trials 2 2019 (U14) | Standard | 2019-04-27 | 2019-04-27 | Ekurhuleni (GE) | 5 | 1026 | 5 | 3 | 1212.1 | 0 | Details |
| 5 | Ekurhuleni Trials 1 2019 (U14) | Standard | 2019-03-09 | 2019-03-09 | Ekurhuleni (GE) | 5 | 1013.4 | 5 | 2.5 | 1046.4 | 0 | Details |
| 6 | South African Junior Blitz 2018 (U12) | Blitz | 2018-12-19 | 2018-12-19 | 4 Knights (4K) | 7 | 1131.2 | 7 | 2.5 | 916.2 | 0 | Details |
| 7 | South African Junior Team Championships 2018 (U12D) | Classical | 2018-12-16 | 2018-12-20 | 4 Knights (4K) | 7 | 1131.2 | 7 | 2 | 805.5 | 0 | Details |
| 8 | Inter Region GE vs JHB Metro 2018 (U12 Swiss) | Standard | 2018-10-06 | 2018-10-06 | Ekurhuleni (GE) | 5 | 1115.3 | 5 | 3 | 1189 | 0 | Details |
| 9 | 2018 Gauteng League Final (U11) | Standard | 2018-08-24 | 2018-08-24 | Tshwane (GTP) | 5 | 1044.3 | 5 | 4 | 1282.7 | 0 | Details |
| 10 | Ekurhuleni Open 2018 (C) | Standard | 2018-08-18 | 2018-08-18 | Ekurhuleni (GE) | 5 | 1044.3 | 5 | 2 | 979.8 | 0 | Details |
| 11 | Ekurhuleni North District Schools Final 2018 (U11) | Standard | 2018-08-04 | 2018-08-04 | Ekurhuleni (GE) | 5 | 1044.3 | 5 | 3 | 1219.9 | 0 | Details |
| 12 | Witfield Open 2018 (C) | Standard | 2018-07-21 | 2018-07-21 | Ekurhuleni (GE) | 5 | 1108.4 | 5 | 1 | 822 | 0 | Details |
| 13 | Boksburg Chess Club Open 2018 (U12) | Standard | 2018-07-14 | 2018-07-14 | Ekurhuleni (GE) | 5 | 1108.4 | 5 | 2 | 1066.4 | 0 | Details |
| 14 | Ekurhuleni Trials 3 2018 (U12) | Standard | 2018-06-16 | 2018-06-16 | Ekurhuleni (GE) | 5 | 1147.9 | 5 | 2 | 952.3 | 0 | Details |
| 15 | Human Rights Day Open 2018 (C) | Standard | 2018-03-21 | 2018-03-21 | Ekurhuleni (GE) | 5 | 1200 | 5 | 3 | 1072.3 | 0 | Details |
| 16 | Ekurhuleni Trials 1 2018 (U12) | Standard | 2018-03-10 | 2018-03-10 | Ekurhuleni (GE) | 5 | 1200 | 5 | 3 | 1031.9 | 0 | Details |
| 17 | New Market Mall Rapid - Alberton - 2017-09-29&30 Open 2017 | Rapid | 2017-09-29 | 2017-09-30 | Ekurhuleni (GE) | 11 | 0 | 11 | 4 | 500 | 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 | 84 |
| Wins | 38 |
| Draws | 4 |
| Losses | 42 |
| White | 43 |
| Black | 41 |
| White wins | 17 |
| Black wins | 21 |
| Score | 40 |
| Percent | 47.6 |
| Dp | -20.2 |
| AOR | 1082.8 |
| Performance | 1062.6 |
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 | 84 |
| Score | 40 |
| Percent | 47.6 |
| Aor | 1082.8 |
| Dp | -20.2 |
| Prat | 1062.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Attwell, R (Rowan) | 3 | 2 | 1 | Human Rights Day Open 2018 (C) | Ekurhuleni Trials 1 2019 (U14) | Details |
| Overall | 2 | Terblanche, A (Anja) | 2 | 1 | 1 | Boksburg Chess Club Open 2018 (U12) | Boksburg Chess Club Open 2019 (C) | Details |
| Overall | 3 | Jaitas, K (Kittisak) | 2 | 2 | 0 | Ekurhuleni Trials 2 2019 (U14) | Boksburg Chess Club Open 2019 (C) | Details |
| Overall | 4 | De Swardt, C (Chrizander) | 2 | 0 | 2 | Ekurhuleni Trials 1 2018 (U12) | Boksburg Chess Club Open 2019 (C) | Details |
| Overall | 5 | Netshimbupfe, W (Wanga) | 2 | 1 | 1 | Ekurhuleni Trials 3 2018 (U12) | Ekurhuleni Open 2018 (C) | Details |
| Standard | 1 | Attwell, R (Rowan) | 3 | 2 | 1 | Human Rights Day Open 2018 (C) | Ekurhuleni Trials 1 2019 (U14) | Details |
| Standard | 2 | Terblanche, A (Anja) | 2 | 1 | 1 | Boksburg Chess Club Open 2018 (U12) | Boksburg Chess Club Open 2019 (C) | Details |
| Standard | 3 | Jaitas, K (Kittisak) | 2 | 2 | 0 | Ekurhuleni Trials 2 2019 (U14) | Boksburg Chess Club Open 2019 (C) | Details |
| Standard | 4 | De Swardt, C (Chrizander) | 2 | 0 | 2 | Ekurhuleni Trials 1 2018 (U12) | Boksburg Chess Club Open 2019 (C) | Details |
| Standard | 5 | Netshimbupfe, W (Wanga) | 2 | 1 | 1 | Ekurhuleni Trials 3 2018 (U12) | Ekurhuleni Open 2018 (C) | Details |