Buttner, Kevin F
Current rating: 1602
Record: 11-5-1
| Grand Prix Hanover 2009 (extended) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 33 | Lackinger, Markus (1519) | Won 2-1 | +161629 |
| 3extended | 37 | Eckschlager, Markus (1535) | Lost 1-2 | -191610 |
| 4extended | 113 | Gosch, Christian (1495) | Lost 0-0 | -201590 |
| 5extended | 169 | Kiefer, Lorenz (1539) | Won 2-1 | +171607 |
| 6extended | 106 | Wellens, Wilson (1538) | Lost 0-2 | -201587 |
| 7extended | 121 | Czapor, Grzegorz (1450) | Won 2-1 | +161603 |
| 8extended | 102 | Hermann, Manfred (1643) | Lost 0-2 | -171586 |
| 9extended | 93 | Wellmann, Marco (1505) | Won 2-0 | +161602 |
| average opponent: 1528record: 4-4 | new rating: 1602 | |||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 511 | Kittl, Jens (1607) | Lost 1-2 | -161484 |
| 2sealed | 580 | Scheper, Theo (1484) | Won 2-0 | +181502 |
| 3sealed | 574 | Colmagro, Fabrice (1500) | Won 2-0 | +181520 |
| 4sealed | 511 | Verkerk, Pim (1516) | Won 2-0 | +181538 |
| 5sealed | 492 | Mantel, Edwin (1540) | Draw 1-1 | 01538 |
| 6sealed | 486 | Delis, Achilles (1499) | Won 2-0 | +171555 |
| 7sealed | 453 | Vogin, David (1580) | Won 2-0 | +191574 |
| 8sealed | 432 | Silny, Andre (1654) | Won 2-1 | +191593 |
| 9sealed | 420 | Jonsson, Andreas (1706) | Won 2-0 | +201613 |
| average opponent: 1565record: 7-1-1 | new rating: 1613 | |||