Greenberg, Jacob
Current rating: 1500
Record: 13-14
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1190 | Hadley, Mike (1525) | Won 2-1 | +171565 |
| 2pioneer | 1071 | Nixon III, Richard (1743) | Lost 0-2 | -151550 |
| 3pioneer | 1307 | Jackson, William (1441) | Lost 0-2 | -201530 |
| 4pioneer | 1251 | Glass, Gregory (1505) | Lost 1-2 | -181512 |
| 5pioneer | 1388 | Pan, Phimus (1848) | Lost 1-2 | -121500 |
| top | average opponent: 1612record: 1-4 | new rating: 1500 | ||
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 133 | Lucas, Caden (1565) | Won 2-0 | +191527 |
| 2modern | 94 | Perez, Antonio (1395) | Won 2-0 | +161543 |
| 3modern | 137 | Brown, Alexander (1536) | Won 2-0 | +181561 |
| 4modern | 36 | Whitehead, Rennard (1529) | Won 2-1 | +171578 |
| 5modern | 21 | Payne, Grayson (1669) | Lost 0-2 | -161562 |
| 6modern | 98 | Mcgowan, Thamas (1555) | Won 2-0 | +181580 |
| 7modern | 36 | Peace, Matthew (1668) | Lost 0-2 | -171563 |
| 8modern | 50 | Hargett, Will (1689) | Lost 1-2 | -151548 |
| top | average opponent: 1576record: 5-3 | new rating: 1548 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 467 | Casebolt, Bryce (1468) | Won 2-0 | +171506 |
| 2modern | 176 | O'Bryan, Kevin M (1519) | Won 2-1 | +191525 |
| 3modern | 246 | Leigh, Aaron (1564) | Won 2-1 | +181543 |
| 4modern | 71 | Kent, Doug (1402) | Lost 1-2 | -201523 |
| 5modern | 187 | Kauf, Jamin (1696) | Lost 1-2 | -151508 |
| 6modern | 283 | Freeman, Luke (1507) | Won 2-0 | +181526 |
| 7modern | 185 | Loeser, Brandon (1547) | Lost 0-2 | -181508 |
| top | average opponent: 1529record: 4-3 | new rating: 1508 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 227 | Suber, Wes (1668) | Won 2-1 | +211521 |
| 2standard | 105 | Michael, Kevin (1897) | Lost 0-2 | -111510 |
| 3standard | 342 | Jantz, Ian (1477) | Lost 0-0 | -191491 |
| 4standard | 330 | Gao, Zhe (1533) | Won 2-1 | +191510 |
| 5standard | 375 | Carney, Benjamin (1534) | Lost 0-2 | -181492 |
| 6standard | 335 | Solorzano, Michaelle (1609) | Won 2-0 | +201512 |
| 7standard | 232 | Henry, Anthony (1196) | Lost 0-2 | -231489 |
| top | average opponent: 1559record: 3-4 | new rating: 1489 | ||