Harrison, Michael [ENG]
Current rating: 1577
Record: 17-13-1
| Grand Prix London 2018 (RIX limited) | starting rating: 1622 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Petrusic, Stjepko (1603) | Lost 0-2 | -181604 |
| 2sealed | 593 | Twardowski, Sylwester (1482) | Lost 0-2 | -201584 |
| 3sealed | 843 | Pathuis, Thomas (1451) | Won 2-0 | +151599 |
| 4sealed | 868 | Malone, Edward (1365) | Lost 0-2 | -221577 |
| top | average opponent: 1475record: 1-3 | new rating: 1577 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 754 | Ledger, Alex (1545) | Won 2-0 | +171649 |
| 2sealed | 558 | Emery, George (1483) | Lost 0-2 | -211628 |
| 3sealed | 830 | Bonnotte, Julien (1713) | Draw 1-1 | +11629 |
| 4sealed | 777 | Matlay, James (1573) | Won 2-0 | +171646 |
| 5sealed | 534 | Wills, Nicholas (1513) | Won 2-1 | +161662 |
| 6sealed | 323 | Freitag, Joachim (1592) | Lost 0-2 | -201642 |
| 7sealed | 527 | Chemnitz, Dennis (1516) | Lost 1-2 | -201622 |
| top | average opponent: 1562record: 3-3-1 | new rating: 1622 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 255 | Allen, James [ENG] (1500) | Won 2-0 | +181505 |
| 2standard | 366 | Lovejoy, Finn (1504) | Won 2-0 | +181523 |
| 3standard | 170 | Donkers, Kevin (1399) | Won 2-0 | +161539 |
| 4standard | 155 | Drohberg, Philipp (1767) | Lost 1-2 | -141525 |
| 5standard | 366 | Hopkins, Jon (1563) | Won 2-1 | +181543 |
| 6standard | 138 | Channing, George (1725) | Lost 0-2 | -141529 |
| 7standard | 356 | Requena Perez, Jose Salvador (1608) | Won 2-1 | +191548 |
| 8standard | 159 | Sodergren, Christian (1492) | Lost 1-2 | -191529 |
| 9standard | 216 | Gravina, Michele (1595) | Won 2-0 | +191548 |
| 10standard | 167 | Griffiths, Pip (1712) | Won 2-0 | +211569 |
| 11standard | 83 | Chapman, Jonny (1679) | Won 2-1 | +201589 |
| 12standard | 51 | Pedersen, Thomas (1704) | Lost 0-2 | -161573 |
| 13standard | 96 | Brown, Chris3426 (1545) | Won 2-0 | +181591 |
| 14standard | 84 | Papadopoulos, Nicolas (1664) | Won 2-0 | +191610 |
| 15standard | 66 | Kazanskis, Viktors (1841) | Won 2-0 | +221632 |
| top | average opponent: 1620record: 11-4 | new rating: 1632 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 723 | Spencer, Rowan (1500) | Won 2-0 | +181518 |
| 2standard | 641 | Fishwick, Shaun (1517) | Won 2-1 | +181536 |
| 3standard | 632 | Cirigliano, Matteo (1821) | Lost 1-2 | -131523 |
| 4standard | 776 | Schwarzhof, Philipp (1499) | Lost 0-2 | -181505 |
| 5standard | 932 | Powles, Simon R (1501) | Lost 0-2 | -181487 |
| top | average opponent: 1568record: 2-3 | new rating: 1487 | ||