Learnihan-Sylvester, Sean
Current rating: 1492
Record: 18-20-1
| Grand Prix Columbus 2016 (legacy) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 69 | Haberthier, Matthew (1465) | Lost 1-2 | -191490 |
| 2legacy | 540 | Kauffman, Dan (1448) | Won 2-0 | +181508 |
| 3legacy | 751 | Williams, Aaron (1502) | Won 2-1 | +181526 |
| 4legacy | 335 | Rudolph, David (1585) | Won 2-1 | +191545 |
| 5legacy | 220 | Ball, Benjamin (1591) | Lost 0-2 | -181527 |
| 6legacy | 439 | Penny, Jack (1579) | Lost 0-2 | -171510 |
| 7legacy | 559 | Zellmer, Zach (1482) | Lost 1-2 | -181492 |
| top | average opponent: 1522record: 3-4 | new rating: 1492 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 227 | Feusse, Matthew (1520) | Won 0-0 | +191474 |
| 3modern | 96 | Ward, Daniel (1808) | Lost 0-2 | -121462 |
| 4modern | 435 | Guinn, Kevin (1522) | Won 2-0 | +191481 |
| 5modern | 322 | Stolbom, Zach (1669) | Won 2-1 | +211502 |
| 6modern | 111 | Zheng, Yuanshan (1598) | Lost 0-2 | -161486 |
| 7modern | 283 | Caffrey, Michael (1665) | Won 2-1 | +211507 |
| 8modern | 178 | Maynard, Pascal (1570) | Lost 0-2 | -171490 |
| 9modern | 185 | Koury, Anthony (1538) | Won 2-0 | +191509 |
| top | average opponent: 1611record: 5-3 | new rating: 1509 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 206 | Willoughby, Pam E (1500) | Won 2-0 | +181509 |
| 2modern | 56 | Reiman, Andrew (1462) | Lost 1-2 | -191490 |
| 3modern | 209 | Sparkman, Jonathan (1500) | Lost 0-2 | -181472 |
| 4modern | 450 | Shablesky, Roman (1484) | Lost 0-2 | -171455 |
| top | average opponent: 1487record: 1-3 | new rating: 1455 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 23 | Ray, Alexander (1464) | Lost 1-2 | -201510 |
| 2legacy | 349 | Shepherd Jr, Dale J (1482) | Lost 1-2 | -181492 |
| 3legacy | 467 | Maynor, Jacob U (1446) | Won 2-1 | +171509 |
| 4legacy | 499 | Grady, Chris (1506) | Lost 0-2 | -181491 |
| top | average opponent: 1474record: 1-3 | new rating: 1491 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 568 | Helbig, Ben (1500) | Won 2-1 | +191465 |
| 2legacy | 503 | Stanfar, Michael (1640) | Won 2-1 | +211486 |
| 3legacy | 417 | Dobreva, Tatyana (1435) | Won 2-0 | +171503 |
| 4legacy | 482 | Webster, Matthew (1553) | Lost 0-2 | -171486 |
| 5legacy | 497 | Bentley, Dennis (1580) | Won 2-0 | +201506 |
| 6legacy | 489 | Fenton, Paul S (1540) | Draw 1-1 | +11507 |
| 7legacy | 458 | Naylor, Jamie (1544) | Lost 1-2 | -181489 |
| 8legacy | 496 | Considine, Ryan (1536) | Won 2-1 | +191508 |
| 9legacy | 465 | Doolittle, Lawrence (1700) | Won 2-0 | +221530 |
| top | average opponent: 1559record: 6-2-1 | new rating: 1530 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 55 | Sumpter, Hunter (1500) | Won 2-1 | +181518 |
| 2legacy | 140 | Ruan, Kai (1517) | Lost 0-2 | -181500 |
| 3legacy | 177 | Slack, Jonathan (1496) | Lost 0-2 | -181482 |
| 4legacy | 223 | Galonski, Adam W (1485) | Lost 1-2 | -181464 |
| 5legacy | 245 | Madouse, Kurt (1464) | Won 2-0 | +181482 |
| 6legacy | 195 | Torrez, John (1490) | Lost 1-2 | -181464 |
| 7legacy | 160 | Meyers, Chris (1466) | Lost 0-2 | -181446 |
| top | average opponent: 1488record: 2-5 | new rating: 1446 | ||