Best, Jahnu
Current rating: 1508
Record: 8-8-1
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2012 | Wardenier, Niels (1499) | Won 2-0 | +191498 |
| 2sealed | 2106 | Stendel, Sonja (1608) | Lost 1-2 | -161482 |
| 3sealed | 2316 | Nelson, Helge (1784) | Lost 0-2 | -131469 |
| 4sealed | 2356 | Winter, Florian (1494) | Won 2-1 | +181487 |
| 5sealed | 2272 | Ciesielski, Paul (1500) | Won 2-0 | +191506 |
| 6sealed | 2241 | Quintana Ballines, Gaspar Aziz (1610) | Won 2-1 | +191525 |
| 7sealed | 2157 | Hittel, Matthias (1566) | Lost 1-2 | -171508 |
| 8sealed | 2134 | Zacharias, Jan (1556) | Won 2-0 | +191527 |
| 9sealed | 2111 | Coates, Richard (1490) | Lost 0-2 | -191508 |
| average opponent: 1567record: 5-4 | new rating: 1508 | |||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 273 | Smith, Timothy (1472) | Won 2-0 | +171517 |
| 2block | 26 | Grinstead, Jamie (1413) | Lost 1-2 | -191498 |
| 3block | 322 | Brown, Oliver (1500) | Lost 1-2 | -181480 |
| 4block | 514 | Gleadow, Alex (1482) | Draw 1-1 | 01480 |
| 5block | 510 | Muller, John (1602) | Won 2-1 | +201500 |
| 6block | 397 | Cox, Ricky (1497) | Won 2-0 | +181518 |
| 7block | 282 | Huizinga, Sander (1503) | Lost 0-2 | -181500 |
| 8block | 292 | Donkers, Kevin (1367) | Lost 1-2 | -211479 |
| average opponent: 1479record: 3-4-1 | new rating: 1479 | |||