Kohane, Jacob
Current rating: 1495
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Wheaton, Bradford (1500) | Won 2-1 | +191470 |
| 2sealed | 89 | Rossi, Anthony (1518) | Won 2-0 | +191489 |
| 3sealed | 24 | Petersen, Jeremy (1502) | Lost 1-2 | -181471 |
| 4sealed | 351 | Allegrucci, Thierry (1465) | Won 2-0 | +181489 |
| 5sealed | 163 | Potter, Benjamin (1456) | Won 2-0 | +171506 |
| 6sealed | 153 | Ricco, Tara (1439) | Won 2-0 | +171523 |
| 7sealed | 32 | Casselman, Jeffrey (1649) | Lost 1-2 | -161507 |
| 8sealed | 155 | Sui, Xin (1805) | Lost 0-2 | -121495 |
| top | average opponent: 1542record: 5-3 | new rating: 1495 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 193 | Nesrallah, Moses (1470) | Lost 0-2 | -181467 |
| 2sealed | 635 | Kashmar, Ali (1602) | Lost 0-2 | -161451 |
| top | average opponent: 1536record: 0-2 | new rating: 1451 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Neikirk, Lee (1500) | Lost 0-2 | -181482 |
| 2sealed | 573 | Waltman, Ian (1483) | Won 2-0 | +181500 |
| 3sealed | 380 | Carroll, Ryan R (1661) | Lost 0-2 | -151485 |
| top | average opponent: 1548record: 1-2 | new rating: 1485 | ||