Kalogerinis, John
Current rating: 1480
Record: 14-16 (GP) / 3-5 (professional)
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Cossu, Andrea (1452) | Won 2-1 | +181474 |
| 2standard | 16 | Soloviev, Valentin (1527) | Lost 0-2 | -171457 |
| 3standard | 533 | Micevic, Miroslav (1584) | Won 2-0 | +201477 |
| 4standard | 269 | Nedic, Rajko (1500) | Won 2-1 | +191496 |
| 5standard | 330 | Skinstad, Erik (1443) | Lost 0-2 | -191477 |
| 6standard | 264 | Auth, Christopher (1568) | Lost 0-2 | -171460 |
| 7standard | 429 | Hradetzky, Bernhard (1507) | Won 2-0 | +191479 |
| 8standard | 333 | Fadrny, Lukas (1523) | Lost 0-2 | -171462 |
| 9standard | 87 | Wieland, Philip (1478) | Won 2-1 | +181480 |
| top | average opponent: 1509record: 5-4 | new rating: 1480 | ||
| Pro Tour Gatecrash (GTC standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 154 | Ross, Jonathan (1728) | Lost 0-2 | -131440 |
| 2draft | 76 | Estratti, Samuele (1853) | Won 2-1 | +251465 |
| 3draft | 98 | Nakamura, Shuhei (2091) | Lost 0-2 | -81457 |
| 4standard | 97 | van Medevoort, Robert (1773) | Lost 1-2 | -131444 |
| 5standard | 138 | Endo, Ryota (1818) | Won 2-0 | +251469 |
| 6standard | 115 | Mowery, Colin (1579) | Lost 0-2 | -161453 |
| 7standard | 126 | Yetka, David (1637) | Won 2-1 | +211474 |
| 8standard | 114 | Garant-Rousseau, Guillaume (1458) | Lost 0-2 | -181456 |
| top | average opponent: 1742record: 3-5 | new rating: 1456 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 567 | Scataglini, Matteo (1500) | Won 2-1 | +191472 |
| 2sealed | 625 | Graefling, Beat (1516) | Lost 1-2 | -171455 |
| 3sealed | 659 | Paradisi, Paolo (1449) | Won 2-0 | +171472 |
| 4sealed | 680 | Redaelli, Claudio (1471) | Won 2-0 | +181490 |
| 5sealed | 665 | Casadei, Luca (1478) | Lost 0-2 | -181472 |
| 6sealed | 658 | Wielgorski, Daniel (1388) | Lost 1-2 | -191453 |
| top | average opponent: 1467record: 3-3 | new rating: 1453 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 39 | Skrabal, Michal (1500) | Lost 1-2 | -171448 |
| 2extended | 162 | Hubacek, Peter (1484) | Won 2-1 | +191467 |
| 3extended | 186 | Krekovic, Marko (1473) | Lost 1-2 | -181449 |
| 4extended | 228 | Halas, Petr (1483) | Won 2-0 | +181467 |
| 5extended | 192 | Sus, Martin (1472) | Won 2-0 | +181485 |
| 6extended | 115 | Rus, Michal (1519) | Lost 0-2 | -171468 |
| 7extended | 127 | Wojtowicz, Bartosz (1501) | Lost 0-2 | -171451 |
| 8extended | 144 | Szwarc, Jerzy (1558) | Won 2-1 | +201471 |
| 9extended | 101 | Lamprecht, Benjamin (1484) | Lost 1-2 | -181453 |
| top | average opponent: 1497record: 4-5 | new rating: 1453 | ||
| Grand Prix Athens 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Katachanas, Andreas (1500) | Won 2-0 | +181518 |
| 2sealed | 79 | Morgado, Nelson (1559) | Won 2-1 | +191537 |
| 3sealed | 24 | Berkemeier, Christian (1585) | Lost 0-2 | -171520 |
| 4sealed | 112 | Gerrits, Marcel (1521) | Lost 0-2 | -181502 |
| 5sealed | 119 | Constantine, Raftopoulos (1503) | Lost 0-2 | -181484 |
| 6sealed | 166 | Wolf, Harald (1466) | Lost 0-2 | -191465 |
| top | average opponent: 1522record: 2-4 | new rating: 1465 | ||