Weiss, Gregory
Current rating: 1550
Record: 29-30-1 (GP) / 9-13 (professional)
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 38 | Meier, Gabriel (1652) | Won 2-1 | +201558 |
| 4sealed | 29 | Schwarz, Stephan (1666) | Won 2-0 | +201578 |
| 5sealed | 2 | Guyon, Arnaud (1604) | Lost 0-2 | -171561 |
| 6sealed | 102 | Wescoe, Craig (1838) | Lost 0-2 | -131548 |
| 7sealed | 136 | Duguet, Nicolas (1503) | Won 2-0 | +171565 |
| 8sealed | 90 | Rivello, Mattia (1753) | Lost 0-2 | -151550 |
| top | average opponent: 1669record: 3-3 | new rating: 1550 | ||
| Pro Tour Paris 2011 (MBS standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Haggkvist, Sami (1919) | Lost 0-2 | -121546 |
| 2standard | 202 | Trifan, Raoul (1346) | Won 2-1 | +151561 |
| 3standard | 75 | Moore, John (1634) | Lost 1-2 | -171544 |
| 4standard | 196 | Ashton, Thomas (1645) | Lost 1-2 | -161528 |
| 5standard | 190 | Mitamura, Kazuya (1874) | Won 2-1 | +241552 |
| 6draft | 161 | Mihara, Makihito (1784) | Lost 0-2 | -141538 |
| top | average opponent: 1700record: 2-4 | new rating: 1538 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 58 | Stroh, Kim (1699) | Lost 1-2 | -151556 |
| 4sealed | 135 | Stenberg, David (1531) | Won 2-0 | +171573 |
| 5sealed | 93 | Sasaki, Yuuta (1893) | Won 2-1 | +241597 |
| 6sealed | 71 | Valori, Markus (1562) | Lost 0-2 | -191578 |
| 7sealed | 54 | Elfgren, Rikard (1547) | Draw 1-1 | 01578 |
| 8sealed | 83 | Oswaldsson, Hakan (1492) | Lost 0-2 | -201558 |
| top | average opponent: 1621record: 2-3-1 | new rating: 1558 | ||
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 43 | Nieto, Francisco J. (1518) | Won 2-0 | +161630 |
| 3sealed | 7 | Garcia, Esteban (1495) | Lost 1-2 | -211609 |
| 4sealed | 201 | Roccoli, Guido (1607) | Lost 0-2 | -181591 |
| 5sealed | 240 | Alba Sanchez, Nicolas (1488) | Lost 0-2 | -201571 |
| top | average opponent: 1527record: 1-3 | new rating: 1571 | ||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 169 | Miranda, Michael (1518) | Won 2-0 | +171556 |
| 3sealed | 33 | Douglass, Morgan (1776) | Won 2-1 | +221578 |
| 4sealed | 89 | De Rosa, Antonino (2004) | Won 2-0 | +251603 |
| 5sealed | 2 | Herberholz, Mark (1939) | Lost 0-2 | -121591 |
| 6sealed | 86 | Fabiano, Gerard (1853) | Won 2-1 | +231614 |
| 7sealed | 56 | Ripple, Chris (1686) | Won 2-0 | +191633 |
| 8sealed | 21 | da Costa Cabral, Bernardo (1810) | Lost 0-2 | -151618 |
| 9sealed | 40 | McGregor, Duncan (1725) | Won 2-0 | +201638 |
| 10draft | 11 | Chambers, Adam (1832) | Lost 1-2 | -141624 |
| 11draft | 11 | Pikula, Chris (1862) | Lost 1-2 | -141610 |
| 12draft | 38 | Swan, Brad (1642) | Lost 1-2 | -171593 |
| 13draft | 34 | Ford, James D (1562) | Won 2-1 | +171610 |
| 14draft | 31 | Fiorillo, John (1866) | Won 2-0 | +231633 |
| 15draft | 29 | Blackman, Brett (1564) | Lost 1-2 | -191614 |
| top | average opponent: 1760record: 8-6 | new rating: 1614 | ||
| Grand Prix Malmo 2006 (CSP limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Hamalainen, Olli (1465) | Lost 0-2 | -181478 |
| 2sealed | 206 | Hesseln, Stefan (1528) | Lost 1-2 | -171461 |
| 3sealed | 189 | Andersen, Mark (1469) | Won 2-1 | +181479 |
| 4sealed | 207 | Norda, Jason (1490) | Won 2-1 | +181497 |
| 5sealed | 135 | Norlander, Karl (1453) | Won 2-1 | +171514 |
| 6sealed | 133 | Kapalas, Georgios (1955) | Won 2-0 | +261540 |
| 7sealed | 72 | Wintero, Morten (1505) | Lost 0-2 | -191521 |
| 8sealed | 96 | Verbeeck, Matthias (1488) | Won 2-0 | +181539 |
| top | average opponent: 1544record: 5-3 | new rating: 1539 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 103 | Goldbaum, Nils-Uwe (1675) | Won 2-0 | +211509 |
| 3sealed | 24 | Silny, Andre (1593) | Lost 0-2 | -161493 |
| 4sealed | 104 | Richter, Tim (1403) | Lost 1-2 | -201473 |
| 5sealed | 143 | Rasmussen, Anders (1674) | Won 2-0 | +221495 |
| 6sealed | 89 | Forestier, Nicolas (1512) | Won 2-1 | +181513 |
| 7sealed | 53 | Rosada, Adrian (1579) | Lost 0-2 | -171496 |
| top | average opponent: 1573record: 3-3 | new rating: 1496 | ||
| Pro Tour Los Angeles 2005 (extended) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 10 | Osawa, Takuya (1830) | Won 2-1 | +241500 |
| 2extended | 73 | Huber, Christoph (1854) | Won 2-1 | +241524 |
| 3extended | 5 | Klocker, Mario (1570) | Won 2-0 | +191543 |
| 4extended | 14 | Dominguez Roldan, Fernando De Jesus (1633) | Lost 1-2 | -161527 |
| 5extended | 19 | Stoddard, Samuel (1515) | Won 2-0 | +171544 |
| 6extended | 18 | Pan, Phimus (1583) | Won 2-1 | +191563 |
| 7extended | 10 | Iwai, Tsuyoshi (1794) | Lost 0-2 | -141549 |
| 8extended | 22 | Peset, Alexandre (1831) | Lost 0-2 | -131536 |
| 9extended | 40 | Kennes, Johan (1651) | Lost 1-2 | -161520 |
| 10extended | 52 | Carboni, Simone (1650) | Lost 1-2 | -151505 |
| 11extended | 59 | Wood, Matthew E (1608) | Won 2-1 | +201525 |
| 12extended | 41 | Mori, Katsuhiro (1966) | Lost 0-2 | -111514 |
| 13extended | 55 | Sutou, Takuo (1676) | Won 2-1 | +211535 |
| 14extended | 44 | Shay, Rich (1754) | Lost 0-2 | -141521 |
| 15extended | 47 | Failla, Andrea (1572) | Lost 1-2 | -171504 |
| 16extended | 48 | Liprandi, Maximiliano (1612) | Lost 1-2 | -161488 |
| top | average opponent: 1694record: 7-9 | new rating: 1488 | ||
| Grand Prix Seattle 2005 (extended) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 42 | Swartz, Noah (1503) | Lost 0-2 | -171453 |
| 4extended | 94 | Winston, Alexander (1518) | Lost 1-2 | -171436 |
| 5extended | 98 | Kuestner, Rolf (1500) | Won 2-0 | +191455 |
| 6extended | 109 | Greene, Matthew (1501) | Won 2-1 | +191474 |
| 7extended | 56 | Green, David (1517) | Lost 0-2 | -171457 |
| 8extended | 81 | Bundy, Dylan (1519) | Won 2-0 | +191476 |
| top | average opponent: 1510record: 3-3 | new rating: 1476 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 94 | Chow, Vincent (1518) | Lost 1-2 | -181463 |
| 4extended | 110 | Burman, Alana (1550) | Won 2-1 | +201483 |
| 5extended | 110 | Jarmak, Chris (1589) | Lost 0-2 | -161467 |
| 6extended | 154 | Barrios, Kent (1519) | Lost 1-2 | -171450 |
| 7extended | 165 | Wells, Ben (1501) | Lost 0-2 | -171433 |
| 8extended | 134 | Nealon, Dan (1483) | Won 2-1 | +191452 |
| 9extended | 100 | Spring, Ryan (1484) | Won 2-0 | +181470 |
| top | average opponent: 1521record: 3-4 | new rating: 1470 | ||
| Grand Prix Kansas City 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 55 | Fischbeck, Ryan (1488) | Won 0-0 | +181518 |
| 5extended | 29 | Gould, Troy (1482) | Lost 0-0 | -191499 |
| 6extended | 81 | Matusher, Steve (1465) | Lost 0-0 | -181481 |
| top | average opponent: 1478record: 1-2 | new rating: 1481 | ||