Mekes, Jeffrey
Current rating: 1561
Record: 8-5-1
| Grand Prix Prague 2018 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 647 | Orlik, Vaclav (1500) | Won 2-0 | +171561 |
| 2modern | 279 | Roelens, Tiemen (1517) | Won 2-1 | +171578 |
| 3modern | 175 | Dillon, Wayne (1639) | Lost 1-2 | -171561 |
| 4modern | 611 | Mohr, Gerrit (1672) | Won 2-0 | +201581 |
| 5modern | 136 | Zafirovski, Simon (1537) | Won 2-1 | +171598 |
| 6modern | 121 | Schmelz, Christian (1527) | Lost 1-2 | -191579 |
| 7modern | 274 | Veselinovic, Stefan (1561) | Lost 1-2 | -181561 |
| average opponent: 1565record: 4-3 | new rating: 1561 | |||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1307 | Neessen, Coen (1489) | Draw 1-1 | 01500 |
| 2sealed | 1266 | Oosterling, Youri (1500) | Won 2-1 | +181518 |
| 3sealed | 1232 | Heijne, Pim (1540) | Won 2-0 | +181536 |
| 4sealed | 1122 | Naslund, Jonas (1705) | Lost 1-2 | -151521 |
| 5sealed | 1230 | Martinez, Andres [ITA] (1597) | Won 2-1 | +201541 |
| 6sealed | 1140 | Brandt, Jeppe (1635) | Won 2-0 | +191560 |
| 7sealed | 1086 | Melichar, Martin (1630) | Lost 1-2 | -161544 |
| average opponent: 1585record: 4-2-1 | new rating: 1544 | |||