O'Keefe-Sommer, Lucas
Current rating: 1544
Record: 8-6-1
| Grand Prix Hartford 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 541 | Jolin, Gregory (1790) | Lost 1-2 | -131487 |
| 2modern | 698 | Cirasuolo, Jeffrey (1519) | Won 2-0 | +191506 |
| 3modern | 640 | Villamizar, Daniel (1727) | Won 2-0 | +221528 |
| 4modern | 366 | Kelley, Austin (1487) | Won 2-1 | +171545 |
| 5modern | 137 | Greenidge, Jamal (1435) | Won 2-1 | +161561 |
| 6modern | 96 | Rianhard, Cain (1710) | Won 2-0 | +211582 |
| 7modern | 31 | Berardinelli, Andrew (1596) | Lost 0-2 | -181564 |
| 8modern | 191 | Dhaliwal, Shawn (1811) | Won 2-1 | +221586 |
| 9modern | 307 | Mowry, Matthew (1620) | Lost 0-2 | -171569 |
| 10modern | 351 | De Vlaming, Sjaak (1495) | Draw 1-1 | -11568 |
| 11modern | 341 | Rapkowicz, Ryan (1570) | Lost 0-2 | -181550 |
| 12modern | 353 | Hurtado, Oscar (1431) | Lost 0-2 | -211529 |
| 13modern | 350 | Candee, Timothy (1474) | Won 2-0 | +171546 |
| 14modern | 333 | Hangley, James (1545) | Won 2-0 | +181564 |
| 15modern | 314 | Eichelberger, Gregory (1443) | Lost 1-2 | -201544 |
| average opponent: 1577record: 8-6-1 | new rating: 1544 | |||