Ahr, Marco
Current rating: 1607
Record: 21-15-1
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 313 | Zornan, Martin (1453) | Lost 0-2 | -201598 |
| 2standard | 473 | Stuchly, Petr (1469) | Won 2-1 | +151613 |
| 3standard | 461 | Smyl, Daniel (1502) | Draw 1-1 | -21611 |
| 4standard | 501 | Berna, Brice (1539) | Won 2-0 | +171628 |
| 5standard | 322 | Theurel, Sebastien (1482) | Lost 0-2 | -211607 |
| top | average opponent: 1489record: 2-2-1 | new rating: 1607 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 739 | Pasgaard, Alexander (1655) | Lost 1-2 | -181618 |
| 4sealed | 819 | Zorzi, Giulio (1746) | Won 2-0 | +201638 |
| 5sealed | 1037 | Fernandez, Armando (1536) | Lost 1-2 | -201618 |
| top | average opponent: 1646record: 1-2 | new rating: 1618 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 22 | Le Briand, Loic (1666) | Won 2-1 | +191653 |
| 5sealed | 6 | Ganzer, Andreas (1571) | Won 2-1 | +161669 |
| 6sealed | 21 | Ruel, Olivier (1865) | Lost 0-2 | -141655 |
| 7sealed | 18 | Ristovsky, Tom (1602) | Lost 0-2 | -191636 |
| top | average opponent: 1676record: 2-2 | new rating: 1636 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 773 | Mezhoud, Hakim (1588) | Won 2-0 | +191582 |
| 2sealed | 758 | Mulot, Wilfried (1516) | Won 2-0 | +171599 |
| 3sealed | 711 | Diaz, Philippe (1536) | Won 2-0 | +161615 |
| 4sealed | 697 | Van Brandt, Dimitri (1617) | Won 2-1 | +181633 |
| 5sealed | 643 | Dezani, Jeremy (1573) | Lost 0-2 | -191614 |
| 6sealed | 734 | Hilaire, Yannick (1552) | Won 2-0 | +171631 |
| 7sealed | 677 | Morand, Thomas (1537) | Won 2-1 | +161647 |
| 8sealed | 645 | Cassini, Gregory (1526) | Won 2-0 | +161663 |
| 9sealed | 606 | Estratti, Samuele (1851) | Won 2-1 | +221685 |
| 10sealed | 614 | Reinier, Germain (1692) | Lost 1-2 | -181667 |
| 11draft | 65 | Moreira, Maximo (1672) | Lost 1-2 | -181649 |
| 12draft | 23 | Stihle, Julien (1682) | Lost 1-2 | -171632 |
| 13draft | 104 | Mojtahedy, Babak (1650) | Won 2-1 | +181650 |
| 14draft | 42 | Mercier, Lionel (1668) | Won 2-1 | +181668 |
| 15draft | 16 | Pagorek, Laurent (1678) | Lost 0-2 | -181650 |
| 16draft | 70 | Vollebregt, Joost (1741) | Lost 0-2 | -161634 |
| top | average opponent: 1630record: 10-6 | new rating: 1634 | ||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 777 | Liu Xu, Johnny (1557) | Won 2-1 | +191519 |
| 2sealed | 653 | Cartairade, Laurent (1517) | Lost 0-2 | -181501 |
| 3sealed | 817 | De Marelle, Anthony (1428) | Won 2-0 | +171518 |
| 4sealed | 640 | Durand, Guillaume (1694) | Won 2-0 | +211539 |
| 5sealed | 665 | Zhang, Yin (1578) | Won 2-1 | +191558 |
| 6sealed | 534 | Oberborsch, Benjamin (1581) | Won 2-1 | +181576 |
| 7sealed | 520 | Poquerusse, Remi (1742) | Won 2-0 | +211597 |
| 8sealed | 528 | Grunauer, Simon (1778) | Lost 0-2 | -151582 |
| 9sealed | 536 | Wallendorf, Jonas (1529) | Lost 1-2 | -191563 |
| top | average opponent: 1600record: 6-3 | new rating: 1563 | ||