Kotzerke, Matthias
Current rating: 1508
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 342 | Agostani, Andrea (1567) | Lost 0-2 | -171468 |
| 2standard | 509 | Grajewski, Bartosz (1481) | Won 2-0 | +181486 |
| 3standard | 584 | Kedrovic, Ondrej (1629) | Lost 0-2 | -151471 |
| 4standard | 647 | Musil, Jiri (1489) | Won 2-0 | +181489 |
| 5standard | 534 | Steinbauer, Anton (1502) | Lost 1-2 | -171472 |
| 6standard | 473 | Schmidt, Michael (1483) | Won 2-0 | +181490 |
| 7standard | 398 | Zhang, Qi (1501) | Won 2-0 | +181508 |
| 8standard | 283 | Celikovska, Klara (1528) | Lost 0-2 | -181490 |
| 9standard | 292 | Bochmann, Michael (1497) | Won 2-1 | +181508 |
| top | average opponent: 1520record: 5-4 | new rating: 1508 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 60 | Hurkmans, Joshua (1500) | Won 2-1 | +171542 |
| 2standard | 224 | Van Horenbeeck, Michae (1486) | Won 2-0 | +171559 |
| 3standard | 83 | Verstraten, Teun (1537) | Lost 0-2 | -181541 |
| 4standard | 451 | Bergwerff, Arnaud (1531) | Lost 1-2 | -181523 |
| 5standard | 410 | Meis, Robin (1488) | Won 2-1 | +171540 |
| 6standard | 370 | van Vliet, Peter (1510) | Lost 0-2 | -181522 |
| 7standard | 328 | Koenders, Roderik (1488) | Lost 1-2 | -191503 |
| 8standard | 351 | Kouffeld, Michael (1483) | Lost 0-2 | -181485 |
| top | average opponent: 1503record: 3-5 | new rating: 1485 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 85 | Carels, Pieter (1534) | Won 2-1 | +191519 |
| 2standard | 19 | Rus, Tine (1768) | Lost 0-2 | -141505 |
| 3standard | 278 | Hanke, Dustin (1546) | Lost 0-2 | -171488 |
| 4standard | 305 | De Jong, Wytse (1436) | Won 2-1 | +171505 |
| 5standard | 298 | Schmitz, Marc (1499) | Lost 1-2 | -181487 |
| 6standard | 297 | Trombetta, Roberto (1483) | Lost 1-2 | -181469 |
| 7standard | 270 | Espensen, Espen (1528) | Won 2-1 | +191488 |
| 8standard | 197 | Christiansen, Jeppe Brandt (1486) | Won 2-0 | +181506 |
| 9standard | 164 | Dreske, Jan (1571) | Won 2-1 | +191525 |
| top | average opponent: 1539record: 5-4 | new rating: 1525 | ||