Harris, Mark
Current rating: 1423
Record: 1-6
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Euser, Maarten (1620) | Lost 0-2 | -151439 |
| 2sealed | 553 | Reinders, Roelof (1482) | Won 2-1 | +191458 |
| 3sealed | 511 | Arindrarto, Wibowo (1499) | Lost 1-2 | -171441 |
| 4sealed | 542 | De Giosa Tarantino, Sa (1486) | Lost 1-2 | -181423 |
| average opponent: 1522record: 1-3 | new rating: 1423 | |||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 124 | Vieren, Peter (1780) | Lost 0-2 | -131487 |
| 2standard | 503 | Meoni, Stefano (1664) | Lost 0-2 | -151472 |
| 3standard | 614 | van Tricht, Joost (1464) | Lost 1-2 | -181454 |
| average opponent: 1636record: 0-3 | new rating: 1454 | |||