Martin, Ronald
Current rating: 1548
Record: 15-14
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 234 | Scannell, Kevin (1483) | Won 2-0 | +191477 |
| 2sealed | 87 | Leonard, Will (1546) | Lost 0-2 | -171460 |
| 3sealed | 518 | Yerkey, Bernie (1429) | Won 2-0 | +181478 |
| 4sealed | 260 | Sokola, Robert (1518) | Won 2-0 | +181496 |
| 5sealed | 364 | Stella, Daniel (1598) | Won 2-1 | +201516 |
| 6sealed | 111 | Dreblow, Caroline (1602) | Won 2-1 | +201536 |
| 7sealed | 59 | Olsen, Ean (1537) | Won 2-0 | +181554 |
| 8sealed | 49 | Wakefield, Bryan (1487) | Won 2-1 | +171571 |
| 9sealed | 25 | Genna, Peter (1513) | Lost 1-2 | -191552 |
| 10draft | 626 | Soorani, Shaheen (1969) | Won 2-1 | +251577 |
| 11draft | 625 | Johnson, Angelique (1746) | Lost 1-2 | -151562 |
| 12draft | 626 | Chau, Cody (1574) | Lost 1-2 | -181544 |
| 13draft | 789 | Blanco Ramos, Javier (1568) | Won 2-0 | +181562 |
| 14draft | 772 | Harrell, Chase (1764) | Lost 0-2 | -141548 |
| top | average opponent: 1595record: 9-5 | new rating: 1548 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 417 | Hubka, Chris (1526) | Lost 1-2 | -171494 |
| 2sealed | 567 | Diep, Minh (1482) | Lost 0-2 | -191475 |
| 3sealed | 738 | Hartle, Jeff (1494) | Won 2-0 | +191494 |
| 4sealed | 764 | Clark, Billy-Ray (1547) | Lost 0-2 | -171477 |
| 5sealed | 732 | Wang, Peixian (1464) | Lost 0-2 | -191458 |
| top | average opponent: 1503record: 1-4 | new rating: 1458 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 419 | Sparkman, Samuel S (1518) | Won 2-0 | +191518 |
| 3sealed | 482 | Mantey, Tyler (1724) | Won 2-1 | +211539 |
| 4sealed | 421 | Grady, Chris (1539) | Won 2-0 | +181557 |
| 5sealed | 445 | Sadin, Steven (1694) | Lost 1-2 | -151542 |
| 6sealed | 466 | Greenberg, Harrison (1654) | Lost 0-2 | -161526 |
| 7sealed | 523 | Wienburg, Ben (1711) | Lost 0-2 | -151511 |
| top | average opponent: 1640record: 3-3 | new rating: 1511 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 9 | Johnson, Eric (1484) | Won 2-1 | +181518 |
| 3standard | 28 | Naville, Douglas (1536) | Won 2-1 | +181536 |
| 4standard | 42 | White, Harold (1521) | Lost 0-2 | -181518 |
| 5standard | 47 | Salvat, Jaime (1501) | Lost 1-2 | -191499 |
| top | average opponent: 1510record: 2-2 | new rating: 1499 | ||