De Simone, Brian
Current rating: 1874 (#865)
Record: 43-21 (GP) / 0-3 (professional)
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1783 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 334 | Escobar, Daniel (1500) | Won 2-1 | +131796 |
| 2sealed | 233 | Dressler, Andrew (1517) | Lost 0-2 | -231773 |
| 3sealed | 354 | Birckhead, Albert (1516) | Won 2-1 | +141787 |
| 4sealed | 263 | Kirkorian, Andre (1505) | Won 2-1 | +131800 |
| 5sealed | 272 | Mondello, Jake (1835) | Won 2-1 | +181818 |
| 6sealed | 75 | Genna, Peter (1645) | Won 2-1 | +151833 |
| 7sealed | 28 | Zhang, Boyang (1580) | Lost 0-2 | -221811 |
| 8sealed | 209 | McKay, Brendan (1833) | Won 2-0 | +181829 |
| 9sealed | 54 | Weaver, James (1746) | Won 2-1 | +171846 |
| 10draft | 52 | LePine, Mark (1738) | Won 2-0 | +161862 |
| 11draft | 74 | Laing, Alexander (1666) | Won 2-0 | +141876 |
| 12draft | 20 | Zhuo, David (1769) | Lost 1-2 | -201856 |
| 13draft | 46 | Laflamme, Anthony (1811) | Won 2-1 | +171873 |
| 14draft | 67 | LePine, Mark (1775) | Won 2-0 | +171890 |
| 15draft | 14 | Gans, Jake (2021) | Lost 0-2 | -161874 |
| top | average opponent: 1697record: 11-4 | new rating: 1874 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Rivera, Julio (1499) | Won 2-0 | +161653 |
| 2standard | 219 | Yeast, Forrest (1500) | Lost 0-2 | -211632 |
| 3standard | 244 | Sturgen, Corey (1461) | Won 2-0 | +151647 |
| 4standard | 340 | Chamberlain, Shane (1519) | Won 2-0 | +151662 |
| 5standard | 144 | Rix, Jakob (1529) | Won 2-1 | +161678 |
| 6standard | 107 | Rocco, Craig (1620) | Lost 1-2 | -191659 |
| 7standard | 201 | Dufour, Jimmy (1619) | Won 2-0 | +171676 |
| 8standard | 103 | Morgan, Sean (1781) | Won 2-1 | +201696 |
| 9standard | 101 | Malenda, Derik (1597) | Won 0-0 | +161712 |
| 10standard | 433 | Wildes, Julian (1847) | Lost 0-2 | -151697 |
| 11standard | 445 | Smith, Brandon G (1586) | Won 2-1 | +161713 |
| 12standard | 414 | Neal, Eric (1568) | Won 2-0 | +151728 |
| 13standard | 407 | Li, Yuanji (1814) | Won 2-0 | +201748 |
| 14standard | 407 | Chatfield, Lawrence (1639) | Won 2-1 | +161764 |
| 15standard | 397 | Krautmann, Wenzel (1853) | Won 2-1 | +191783 |
| top | average opponent: 1629record: 12-3 | new rating: 1783 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 188 | Munger, Kevin (1484) | Won 2-0 | +181521 |
| 4sealed | 84 | Calcano, Christian (1957) | Lost 0-2 | -111510 |
| 5sealed | 331 | McPhail, Daniel (1635) | Won 2-0 | +211531 |
| 6sealed | 215 | Cohen, Justin (1899) | Won 2-0 | +241555 |
| 7sealed | 101 | Manfield, Seth (2097) | Won 2-0 | +271582 |
| 8sealed | 37 | Alvarez, Lance (1681) | Won 2-0 | +201602 |
| 9sealed | 28 | Abrahams, Rafi (1611) | Lost 0-2 | -181584 |
| 10draft | 70 | Kofsky, Robert (1734) | Won 2-1 | +211605 |
| 11draft | 2 | Lazaro, Andrew (1737) | Won 2-0 | +201625 |
| 12draft | 8 | Gottlieb, Bryan (1970) | Lost 0-2 | -121613 |
| 13draft | 31 | Tremblay, Sebastien (1673) | Won 2-0 | +191632 |
| 14draft | 59 | Nguyen, Thien (1741) | Won 2-1 | +201652 |
| 15draft | 6 | Friedman, Ben (1820) | Lost 1-2 | -151637 |
| top | average opponent: 1772record: 9-4 | new rating: 1637 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 432 | Cutrone, Michael (1654) | Won 2-1 | +201540 |
| 3sealed | 274 | Haak, Bryan (1496) | Lost 1-2 | -191521 |
| 4sealed | 293 | Demestrio, Joe (1517) | Lost 0-2 | -181503 |
| 5sealed | 542 | Reed, David (1501) | Won 2-0 | +181521 |
| 6sealed | 471 | Philo, Dylan (1518) | Lost 0-2 | -181503 |
| top | average opponent: 1537record: 2-3 | new rating: 1503 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 482 | Minetz, Arthur (1497) | Won 2-1 | +181505 |
| 4sealed | 424 | Hill, Matt (1537) | Won 2-1 | +191524 |
| 5sealed | 404 | Soorani, Shaheen (1767) | Lost 0-2 | -141510 |
| 6sealed | 475 | Kirsch, Geoffrey (1567) | Won 2-0 | +191529 |
| 7sealed | 415 | Meier, Dave (1606) | Won 2-0 | +201549 |
| 8sealed | 409 | D'Argenio, Dan (1609) | Lost 0-2 | -171532 |
| 9sealed | 465 | Turtenwald, Owen (1856) | Lost 0-2 | -121520 |
| top | average opponent: 1634record: 4-3 | new rating: 1520 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 60 | Walker, Dennis (1545) | Won 2-0 | +191497 |
| 5sealed | 19 | Coqueiro, Rafael S (1576) | Won 2-1 | +191516 |
| 6sealed | 2 | Pinnegar, Michael (1564) | Lost 0-2 | -171499 |
| 7sealed | 42 | Parker, Brock (1857) | Lost 0-2 | -121487 |
| top | average opponent: 1635record: 2-2 | new rating: 1487 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 68 | Cormier, Francis (1500) | Lost 0-2 | -171433 |
| 5sealed | 93 | Bradley, James (1562) | Won 2-0 | +201453 |
| 6sealed | 66 | Fein, Richard (1539) | Won 2-0 | +201473 |
| 7sealed | 30 | Golden, Ryan (1622) | Lost 0-2 | -161457 |
| 8sealed | 46 | McCandless, Alan (1584) | Won 2-0 | +211478 |
| top | average opponent: 1561record: 3-2 | new rating: 1478 | ||
| Pro Tour Chicago 2000 (INV standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Nishioka, Andrew (1659) | Lost 0-2 | -151485 |
| 2standard | 161 | Burn, Seth (1547) | Lost 1-2 | -171468 |
| 3standard | 163 | Jansen, Patrick (1451) | Lost 0-2 | -181450 |
| top | average opponent: 1552record: 0-3 | new rating: 1450 | ||