Perlin, Leonid
Current rating: 1537
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 358 | Starr, Michael (1464) | Won 2-0 | +161577 |
| 2sealed | 284 | Hopkinson, Chris (1518) | Won 2-0 | +171594 |
| 3sealed | 102 | Hood, Brian (1535) | Lost 0-2 | -191575 |
| 4sealed | 170 | Melendez, Luis Carlos (1518) | Lost 1-2 | -191556 |
| 5sealed | 347 | McMullen, Levon (1519) | Lost 1-2 | -191537 |
| top | average opponent: 1511record: 2-3 | new rating: 1537 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 30 | Martinez, Etienne (1509) | Won 2-0 | +181533 |
| 3standard | 17 | O'Dell, John (1444) | Won 2-1 | +161549 |
| 4standard | 111 | Davis, Richard (1519) | Won 2-1 | +181567 |
| 5standard | 28 | Cox, Patrick (2035) | Lost 1-2 | -101557 |
| 6standard | 57 | Armstrong, John (1496) | Lost 0-2 | -191538 |
| 7standard | 195 | Cifka, Stanislav (1770) | Won 2-0 | +221560 |
| 8standard | 99 | Charlesworth, Riley (1493) | Won 2-0 | +171577 |
| 9standard | 80 | Coqueiro, Rafael S (1694) | Lost 0-2 | -161561 |
| top | average opponent: 1620record: 5-3 | new rating: 1561 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 99 | O'Connor, Sean (1469) | Draw 1-1 | -11499 |
| 2extended | 141 | Marcolla, Steve (1448) | Won 2-1 | +181517 |
| 3extended | 89 | Hoffman, Ryan (1499) | Won 2-0 | +171534 |
| 4extended | 93 | Bean, Joshua (1536) | Won 2-1 | +181552 |
| 5extended | 45 | Strong, Zach R (1537) | Lost 0-2 | -181534 |
| 6extended | 101 | Heilker, David (1493) | Lost 0-2 | -191515 |
| top | average opponent: 1497record: 3-2-1 | new rating: 1515 | ||