DiDonato, Joseph H
Current rating: 1675
Record: 36-30
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 18 | Gannon, Henry (1703) | Won 2-1 | +191670 |
| 5sealed | 77 | Turtenwald, Owen (1934) | Lost 0-2 | -141656 |
| 6sealed | 194 | Kurth, Lloyd (1723) | Won 2-1 | +201676 |
| 7sealed | 47 | Sommerhalter, Matthew (1526) | Won 2-0 | +151691 |
| 8sealed | 53 | Bernal, Joseph (1712) | Won 2-1 | +181709 |
| 9sealed | 46 | Kunkel, Jeremy (1649) | Lost 0-2 | -191690 |
| 10sealed | 357 | Ratajczak, Matthew (1614) | Lost 0-2 | -191671 |
| 11draft | 34 | Colby, Nicholas (1554) | Won 2-0 | +161687 |
| 12draft | 79 | Oppenheimer, Jason (1656) | Won 2-1 | +171704 |
| 13draft | 34 | Ashton, Thomas (1918) | Won 2-1 | +221726 |
| 14draft | 18 | Woods, Conley (1877) | Lost 0-2 | -151711 |
| 15draft | 6 | Hanawalt, Stephen (1690) | Lost 1-2 | -191692 |
| 16draft | 54 | Sokol, Mason (1730) | Lost 0-2 | -171675 |
| top | average opponent: 1714record: 7-6 | new rating: 1675 | ||
| Grand Prix Quebec City 2013 (GTC standard) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 8 | Robdrup, Andy (1435) | Lost 1-2 | -201570 |
| 5standard | 141 | Dore, Stephane (1538) | Won 2-0 | +171587 |
| 6standard | 108 | Leon Valencia, Francisco (1691) | Lost 1-2 | -161571 |
| 7standard | 82 | Marcon, Josh (1537) | Won 2-1 | +171588 |
| 8standard | 88 | Davies, Shawn (1513) | Won 2-0 | +171605 |
| 9standard | 79 | Foot, Derek (1528) | ID | 01605 |
| 10standard | 55 | Lapierre, Eric (1575) | Won 2-1 | +171622 |
| 11standard | 32 | Brierley, Michael (1638) | Won 2-1 | +191641 |
| 12standard | 24 | Tack, James (1515) | Lost 1-2 | -211620 |
| 13standard | 35 | Edel, Willy (2097) | Lost 0-2 | -91611 |
| 14standard | 43 | Dziambor, William (1572) | Won 2-0 | +171628 |
| 15standard | 34 | Pedrakowski, Tomasz (1907) | Won 2-0 | +231651 |
| top | average opponent: 1629record: 7-4-1 | new rating: 1651 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 7 | Nelson, Brad (1949) | Lost 0-2 | -131650 |
| 5standard | 329 | Gannon, Henry (1538) | Lost 0-2 | -201630 |
| 6standard | 428 | Weaver, James (1575) | Lost 0-2 | -191611 |
| 7standard | 442 | Crowell, Michael (1482) | Lost 0-2 | -211590 |
| top | average opponent: 1636record: 0-4 | new rating: 1590 | ||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 105 | Yim, Chi Hoi (1645) | Won 2-0 | +181634 |
| 5sealed | 46 | Smith, Greg (1840) | Won 2-0 | +221656 |
| 6sealed | 8 | Tidd, Sara (1584) | Won 2-0 | +171673 |
| 7sealed | 13 | Harrington, Corey (1556) | Won 2-0 | +151688 |
| 8sealed | 3 | Fred, Eric J (1606) | Lost 0-2 | -191669 |
| 9sealed | 20 | Katz, Matthew (1605) | Lost 0-2 | -191650 |
| 10draft | 50 | Eddleman, Steve O (1612) | Won 2-0 | +171667 |
| 11draft | 22 | Martell, Tom (2003) | Lost 1-2 | -121655 |
| 12draft | 20 | Eason, Anthony (1720) | Lost 1-2 | -171638 |
| 13draft | 52 | Froehlich, Eric (1922) | Won 2-0 | +231661 |
| 14draft | 24 | Castro, Robert (1638) | Won 2-0 | +181679 |
| 15draft | 36 | Fogle, Jack (1786) | Lost 0-2 | -161663 |
| top | average opponent: 1710record: 7-5 | new rating: 1663 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 109 | Pergola, Tom (1525) | Won 2-1 | +171601 |
| 4sealed | 80 | Slaton, Hunter (1624) | Won 2-0 | +191620 |
| 5sealed | 60 | Seres, Alex (1485) | Lost 1-2 | -211599 |
| 6sealed | 106 | Henning, Nick (1807) | Lost 1-2 | -141585 |
| 7sealed | 171 | Partington, Josh (1596) | Won 2-1 | +181603 |
| 8sealed | 134 | Slingerland, Maxfield (1598) | Won 2-1 | +181621 |
| 9sealed | 44 | Radzwilla, Michael (1687) | Won 2-0 | +191640 |
| 10sealed | 79 | Sato, Rei (1736) | Won 2-0 | +201660 |
| 11draft | 68 | Lam, Johnny (1577) | Won 2-1 | +171677 |
| 12draft | 82 | Kemper, Greg (1747) | Lost 1-2 | -171660 |
| 13draft | 30 | Kibler, Brian (1916) | Lost 1-2 | -141646 |
| 14draft | 10 | Florent, Lucas (1813) | Lost 0-2 | -151631 |
| 15draft | 36 | Borden, Trent P (1752) | Lost 0-2 | -151616 |
| top | average opponent: 1682record: 7-6 | new rating: 1616 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 203 | Gagne, Timothy (1504) | Won 2-0 | +181518 |
| 5sealed | 102 | Strong, Tom (1666) | Won 2-1 | +211539 |
| 6sealed | 44 | Nguyen, Richard (1777) | Lost 0-2 | -141525 |
| 7sealed | 156 | Corvese, Harry (1893) | Won 2-0 | +241549 |
| 8sealed | 94 | Foley, Matthew (1586) | Won 2-0 | +191568 |
| 9sealed | 52 | Szelzki, Jeffrey (1660) | Lost 1-2 | -161552 |
| 10sealed | 87 | Giustino, Anthony (1605) | Lost 1-2 | -171535 |
| 11draft | 110 | Patarca, Humberto (1800) | Lost 1-2 | -141521 |
| 12draft | 17 | Chang, Morgan (1630) | Won 2-0 | +201541 |
| 13draft | 78 | Schmidt, Joseph (1793) | Lost 1-2 | -131528 |
| 14draft | 113 | Freedman, Gerald (1501) | Won 2-0 | +171545 |
| 15draft | 52 | Balakrishnan, Vasu (1580) | Won 1-0 | +191564 |
| 16draft | 73 | Snook, Adam (1698) | Won 2-0 | +201584 |
| top | average opponent: 1669record: 8-5 | new rating: 1584 | ||