Estes, Jacob
Current rating: 1442
Record: 4-8-1
| Grand Prix Chicago 2012 (modern) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 154 | Macke, Adam (1485) | Lost 0-2 | -181476 |
| 3modern | 237 | Hendrick, Matt (1505) | Draw 1-1 | 01476 |
| 4modern | 379 | Hellenbrand, Seth (1523) | Won 2-1 | +191495 |
| 5modern | 272 | Tabler, David (1519) | Lost 1-2 | -171478 |
| 6modern | 349 | Vorwald, Matthew (1501) | Lost 1-2 | -181460 |
| 7modern | 347 | Kolschowsky, David (1503) | Lost 1-5 | -171443 |
| 8modern | 303 | Abraham, Matthew (1415) | Lost 1-2 | -191424 |
| 9modern | 235 | Sweeney, Nicholas (1431) | Won 2-0 | +181442 |
| average opponent: 1485record: 2-5-1 | new rating: 1442 | |||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 83 | Beasley, Orrin (1857) | Lost 1-2 | -121488 |
| 5modern | 103 | Kelly, Peter (1568) | Lost 1-2 | -161472 |
| 6modern | 256 | Gagnon, Joel (1558) | Won 2-1 | +191491 |
| 7modern | 141 | Brierley, Michael (1645) | Won 2-1 | +211512 |
| 8modern | 93 | Muzio, Timothy (1504) | Lost 0-2 | -181494 |
| average opponent: 1626record: 2-3 | new rating: 1494 | |||