Kotzias, Gregorio
Current rating: 1405
Record: 15-20-1
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 35 | Georges, Thomas (1500) | Won 2-0 | +181506 |
| 2legacy | 446 | Alves, Pedro (1574) | Won 2-1 | +191525 |
| 3legacy | 42 | Restrepo Hernandez, Daniel (1500) | Lost 1-2 | -181507 |
| 4legacy | 532 | Crane, Paul (1636) | Lost 0-2 | -161491 |
| 5legacy | 669 | Vincent, Chris (1644) | Lost 0-2 | -151476 |
| 6legacy | 918 | Badiali, Tommaso (1537) | Lost 1-2 | -171459 |
| 7legacy | 891 | Cantu, Cheyenne (1467) | Lost 1-2 | -181441 |
| 8legacy | 736 | Bossdono, Branden (1445) | Lost 1-2 | -181423 |
| 9legacy | 627 | Jones, Matthew (1400) | Lost 0-2 | -181405 |
| top | average opponent: 1523record: 2-7 | new rating: 1405 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 122 | Rehmann, Daniel (1334) | Lost 1-2 | -231552 |
| 2legacy | 485 | Dunn, Jayce (1348) | Lost 0-2 | -211531 |
| 3legacy | 654 | Belmans, Ben (1325) | Lost 0-2 | -221509 |
| 4legacy | 697 | Drephal, Daniel (1384) | Won 2-1 | +161525 |
| 5legacy | 590 | Juelich, Markus (1502) | Lost 0-2 | -191506 |
| 6legacy | 625 | Chovanec, Jakub (1472) | Lost 0-2 | -181488 |
| top | average opponent: 1394record: 1-5 | new rating: 1488 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 160 | Cabrera, Leandro (1535) | Lost 1-2 | -181524 |
| 2modern | 277 | Luz, Franco (1482) | Won 2-0 | +171541 |
| 3modern | 312 | Parmeggiani da Costa, Romulo (1504) | Won 2-0 | +181559 |
| 4modern | 109 | De Oliveira Tavares, Tiago (1551) | Won 2-0 | +171576 |
| 5modern | 71 | Parsia Boscariol, Caio (1534) | Draw 1-1 | 01576 |
| 6modern | 111 | Guimaraes, Maycon (1553) | Won 2-0 | +171593 |
| 7modern | 71 | Hubner, Jean (1556) | Lost 0-2 | -181575 |
| top | average opponent: 1531record: 4-2-1 | new rating: 1575 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 345 | Ouimette, Justin (1532) | Won 2-0 | +191519 |
| 2sealed | 92 | Waltzer, Silas (1608) | Won 2-1 | +191538 |
| 3sealed | 160 | Langdon, Josh (1517) | Lost 0-2 | -181520 |
| 4sealed | 158 | So, Kenny 2 (1519) | Won 2-0 | +181538 |
| 5sealed | 113 | Buhrkuhl, Curtis (1537) | Won 2-0 | +181556 |
| 6sealed | 74 | Salazar, David (1591) | Won 2-1 | +181574 |
| 7sealed | 40 | Leal, Michael (1572) | Won 2-1 | +181592 |
| 8sealed | 36 | Cochran, Hunter (1517) | Lost 0-2 | -191573 |
| 9sealed | 67 | Xu, Jake (1630) | Won 2-1 | +191592 |
| 10draft | 75 | Topp, Jordan (1622) | Lost 0-2 | -171575 |
| 11draft | 12 | Law, Albertus Hui Chin (1788) | Lost 0-2 | -151560 |
| 12draft | 165 | Green, Stephen (1562) | Won 2-0 | +181578 |
| 13draft | 92 | Keith, Joseph (1602) | Lost 0-2 | -171561 |
| 14draft | 126 | Lehmkuhl, Mike (1519) | Lost 0-2 | -191542 |
| top | average opponent: 1580record: 8-6 | new rating: 1542 | ||