Diekmann, Marco
Current rating: 1617
Record: 14-8-1
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Canadell, Pau (1450) | Won 2-0 | +171553 |
| 2sealed | 306 | Foster, Chris (1572) | Won 2-1 | +181571 |
| 3sealed | 56 | Rizhikov, Pavel (1568) | Won 2-1 | +181589 |
| 4sealed | 144 | Neyra Garcia, Marlon Andre (1593) | Won 2-1 | +181607 |
| 5sealed | 24 | Enduraev, Pavel (1714) | Won 2-0 | +201627 |
| 6sealed | 37 | Bordon Gonzalez, Jose Ramon (1548) | Won 2-1 | +171644 |
| 7sealed | 11 | Gonzalez, Gerardo (1593) | Won 2-1 | +171661 |
| 8sealed | 9 | Del Moral Leon, Antonio (2058) | Lost 0-2 | -111650 |
| 9sealed | 27 | Mueller, Dominic (1731) | Lost 0-2 | -171633 |
| 10draft | 72 | Gimenez Cubells, Pablo (1608) | Lost 1-2 | -181615 |
| 11draft | 16 | Diaz, Alberto (1671) | Won 2-0 | +191634 |
| 12draft | 37 | Fajardo, Luis (1743) | Lost 1-2 | -161618 |
| 14draft | 12 | Valle, Alejandro (1495) | Lost 0-2 | -201598 |
| 15draft | 69 | Michlits, Mario (1702) | Won 2-1 | +191617 |
| average opponent: 1646record: 9-5 | new rating: 1617 | |||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 867 | De Georges, Adrien (1500) | Won 2-1 | +181518 |
| 2sealed | 769 | Kim, Nikolaj (1522) | Draw 1-1 | 01518 |
| 3sealed | 914 | Maes, Paul (1515) | Lost 0-2 | -181500 |
| 4sealed | 1020 | Wolf, Manuel (1536) | Won 2-0 | +191519 |
| 5sealed | 920 | Buhler, Friedel (1516) | Won 2-1 | +181537 |
| 6sealed | 836 | Gros, Florian (1435) | Lost 1-2 | -201517 |
| 7sealed | 908 | Stroh, Laurent (1518) | Won 2-0 | +181535 |
| 8sealed | 842 | Ferrarese, Stefano (1706) | Won 2-1 | +211556 |
| 9sealed | 861 | Lopez, Enrique E (1478) | Lost 0-2 | -201536 |
| average opponent: 1525record: 5-3-1 | new rating: 1536 | |||