Koch, Sascha Rene
Current rating: 1576
Record: 14-12
| Regional Championships Sofia 2022 (pioneer) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 127 | Walsh, Jamie (1545) | Lost 1-2 | -181559 |
| 2pioneer | 197 | Lohmann, Franz (1487) | Won 2-0 | +161575 |
| 3pioneer | 91 | Elci, Berk (1489) | Won 2-0 | +171592 |
| 4pioneer | 83 | Kerekes, Jozsef Endre (1493) | Won 2-0 | +161608 |
| 5pioneer | 21 | Deltour, Louis (1882) | Won 2-1 | +231631 |
| 6pioneer | 18 | Stajic, Milos (1777) | Won 2-0 | +211652 |
| 7pioneer | 10 | Santos, Andre (1578) | Lost 0-2 | -201632 |
| 8pioneer | 20 | Eriksson, Hampus (1639) | Won 2-0 | +181650 |
| 9pioneer | 18 | Mauch, Hannes (2015) | Won 2-1 | +251675 |
| 10pioneer | 15 | Godoy, Juan Ignacio (1651) | Lost 0-2 | -191656 |
| 11pioneer | 29 | Abril Navarro, Cristobal (1827) | Lost 0-2 | -151641 |
| 12pioneer | 32 | Biava, Riccardo (1948) | Lost 1-2 | -121629 |
| 13pioneer | 36 | Chueca, Daniel (1642) | Lost 1-2 | -181611 |
| 14pioneer | 43 | Bifero, Francesco (1701) | Lost 1-2 | -161595 |
| 15pioneer | 45 | Medici, Julien (1544) | Lost 0-2 | -191576 |
| average opponent: 1681record: 7-8 | new rating: 1576 | |||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 254 | Labate, Mauro (1678) | Won 2-1 | +211521 |
| A2sealed | 123 | Hillman, Chris (1522) | Won 2-0 | +181539 |
| A3sealed | 31 | St. John-hall, Daniel (1623) | Lost 0-2 | -161523 |
| A4sealed | 157 | Russell, Griffin (1735) | Won 2-1 | +221545 |
| A5sealed | 82 | Simoes, Duarte (1618) | Won 2-0 | +191564 |
| A6sealed | 53 | Pardee, Carolyn (1634) | Lost 0-2 | -171547 |
| D1sealed | 1239 | Kawaguchi, Tetsu (1768) | Lost 0-2 | -141533 |
| D2sealed | 1174 | Collis, Robert (1499) | Won 2-0 | +181551 |
| D3sealed | 1155 | Rognudottir, Eirika (1499) | Won 2-0 | +171568 |
| D4sealed | 1145 | Orange, Gregory (1915) | Won 2-1 | +241592 |
| D5sealed | 1115 | Sanko, Ufuk (1798) | Lost 1-2 | -151577 |
| average opponent: 1663record: 7-4 | new rating: 1577 | |||