Feldman, Jonah
Current rating: 1626
Record: 9-3
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 419 | Ziebart, JJ (1500) | Won 2-1 | +181518 |
| 2sealed | 226 | Topp, Jordan (1690) | Lost 1-2 | -151503 |
| 3sealed | 290 | Chrobak, Mike (1619) | Won 2-0 | +201523 |
| 4sealed | 285 | Cox, Andrew (1521) | Won 2-0 | +181541 |
| 5sealed | 145 | Meyer, Mark (1555) | Won 2-1 | +181559 |
| 6sealed | 154 | Bowman, Robert (1563) | Won 2-1 | +191578 |
| 7sealed | 81 | Crawford, Branden (1577) | Won 2-1 | +171595 |
| 8sealed | 33 | Liang, Rich (1592) | Won 2-0 | +181613 |
| 9sealed | 28 | Gellis, Dylan (1703) | Lost 1-2 | -161597 |
| 10draft | 15 | Reasor, Ian (1774) | Lost 0-2 | -151582 |
| 11draft | 15 | Parrish, Joby (1908) | Won 2-1 | +241606 |
| 12draft | 15 | Araujo, Spenser (1727) | Won 2-1 | +201626 |
| average opponent: 1644record: 9-3 | new rating: 1626 | |||