Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. Z Medvegy vs R Kotter |
| 1-0 | 50 | 2015 | Bundesliga 2014/15 | E16 Queen's Indian |
27. S Walter vs R Kotter |
| 1-0 | 59 | 2015 | Bundesliga 2015/16 | E38 Nimzo-Indian, Classical, 4...c5 |
28. R Kotter vs O Boguslavskyy |
| 0-1 | 40 | 2015 | Bundesliga 2015/16 | B31 Sicilian, Rossolimo Variation |
29. R Kotter vs M Womacka |
| ½-½ | 66 | 2016 | Bundesliga 2015/16 | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
30. P Enders vs R Kotter |
| ½-½ | 76 | 2016 | Bundesliga 2015/16 | B28 Sicilian, O'Kelly Variation |
31. R Kotter vs A Yusupov |
| 0-1 | 65 | 2016 | Bundesliga 2015/16 | C42 Petrov Defense |
32. R Kotter vs P Bobras |
| 0-1 | 40 | 2016 | Bundesliga 2015/16 | B30 Sicilian |
33. R Kotter vs T Fiebig |
| ½-½ | 69 | 2016 | Bundesliga 2015/16 | C02 French, Advance |
34. J Werle vs R Kotter |
| 1-0 | 49 | 2016 | Bundesliga 2015/16 | E15 Queen's Indian |
35. R Kotter vs A Belezky |
| ½-½ | 26 | 2016 | Bundesliga 2015/16 | B76 Sicilian, Dragon, Yugoslav Attack |
36. Movsesian vs R Kotter |
| 1-0 | 60 | 2016 | Bundesliga 2015/16 | B43 Sicilian, Kan, 5.Nc3 |
37. P Lamby vs R Kotter |
| ½-½ | 124 | 2016 | 2nd Bundesliga West 2016/17 | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
38. R Kotter vs Korneev |
| ½-½ | 50 | 2016 | 2nd Bundesliga West 2016/17 | B46 Sicilian, Taimanov Variation |
39. R Kotter vs T Kueppers |
| 1-0 | 63 | 2016 | 2nd Bundesliga West 2016/17 | B75 Sicilian, Dragon, Yugoslav Attack |
40. R Kotter vs G Ginsburg |
| ½-½ | 57 | 2017 | 2nd Bundesliga West 2016/17 | B90 Sicilian, Najdorf |
41. R Kotter vs M van Osch |
| 1-0 | 55 | 2017 | 2nd Bundesliga West 2016/17 | C02 French, Advance |
42. M Schaefer vs R Kotter |
| 1-0 | 50 | 2017 | 2nd Bundesliga West 2016/17 | B42 Sicilian, Kan |
43. F Baltic vs R Kotter |
| ½-½ | 40 | 2017 | 2nd Bundesliga West 2016/17 | B42 Sicilian, Kan |
44. M Hovhanisian vs R Kotter |
| 1-0 | 32 | 2017 | 2nd Bundesliga West 2016/17 | A07 King's Indian Attack |
45. R Kotter vs G Hainke |
| 1-0 | 56 | 2017 | 2nd Bundesliga West 2016/17 | C02 French, Advance |
46. R Kotter vs B Kohlweyer |
| 1-0 | 57 | 2018 | 2nd Bundesliga West 2017-18 | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
47. R Kotter vs B Kohlweyer |
| 0-1 | 45 | 2019 | BL2-West 1920 | B12 Caro-Kann Defense |