Cajka, Libor
Current rating: 1662
Record: 20-10
| Grand Prix Prague 2018 (modern) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 230 | Sujak, Mieszko (1561) | Lost 1-2 | -201658 |
| 4modern | 607 | Csente, David (1464) | Lost 0-2 | -211637 |
| 5modern | 680 | Bastian, Alexander (1454) | Won 2-1 | +141651 |
| 6modern | 436 | Nadolny, Szymon (1558) | Won 2-1 | +171668 |
| 7modern | 300 | Miarecki, Patryk (1513) | Lost 1-2 | -211647 |
| 8modern | 311 | Kelis, Etienne (1496) | Won 2-1 | +151662 |
| top | average opponent: 1508record: 3-3 | new rating: 1662 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 202 | Siedl, Peter (1500) | Won 2-0 | +171604 |
| 2sealed | 118 | Sele, Yves (1557) | Won 2-1 | +171621 |
| 3sealed | 102 | Lohner, Tim (1535) | Won 2-0 | +161637 |
| 4sealed | 43 | Kathriner, Roman (1593) | Won 2-0 | +181655 |
| 5sealed | 5 | Schroder, Alexander (1823) | Won 2-0 | +211676 |
| 6sealed | 22 | Gutting, Martin (1600) | Lost 0-2 | -201656 |
| 7sealed | 33 | Huber, Christoph (1661) | Won 2-0 | +181674 |
| 8sealed | 37 | Kroger, Peer (1910) | Lost 1-2 | -131661 |
| 9sealed | 85 | Ausilio, Flavio (1647) | Won 2-0 | +171678 |
| top | average opponent: 1647record: 7-2 | new rating: 1678 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 87 | Blasotta, Gionata (1500) | Won 2-0 | +171553 |
| 2block | 52 | sacchi, simone (1517) | Lost 0-2 | -181535 |
| 3block | 267 | Luppi, Stefano (1535) | Won 2-0 | +181553 |
| 4block | 114 | Czuprynski, Krystian (1520) | Won 2-0 | +171570 |
| 5block | 61 | Tassinari, Matteo (1574) | Lost 1-2 | -181552 |
| 6block | 172 | Karlinski, Anton (1506) | Won 2-1 | +171569 |
| 7block | 144 | Scheuchenstuhl, Martin (1698) | Won 2-0 | +211590 |
| 8block | 96 | Bono, Alessandro (1552) | Won 2-1 | +171607 |
| 9block | 40 | Rizzo, Giovanni (1522) | Lost 1-2 | -201587 |
| top | average opponent: 1547record: 6-3 | new rating: 1587 | ||
| Grand Prix Vienna 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 95 | Brandstetter, Iris (1500) | Won 0-0 | +181518 |
| 2extended | 72 | Parether, Sascha (1518) | Lost 0-0 | -181500 |
| 3extended | 116 | Sellner, Richard (1500) | Won 0-0 | +181518 |
| 4extended | 42 | Travnick, Ludwig (1518) | Won 0-0 | +181536 |
| 5extended | 63 | Rizzatto, Alex (1535) | Lost 0-0 | -181518 |
| 6extended | 79 | Fritz Kunc, Ziga (1519) | Won 0-0 | +181536 |
| top | average opponent: 1515record: 4-2 | new rating: 1536 | ||