Grube, Peter L
Current rating: 1661
Record: 45-34-1
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1670 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Fitzgerald, Aidan (1498) | Lost 0-2 | -211649 |
| 2sealed | 481 | Bartelmo, Joseph (1482) | Won 2-1 | +151664 |
| 3sealed | 412 | Lancette, Zach (1617) | Won 2-0 | +171681 |
| 4sealed | 216 | Million, Drew (1516) | Won 2-0 | +151696 |
| 5sealed | 210 | Byerly, Larry (1538) | Won 2-0 | +151711 |
| 6sealed | 56 | Rickman, Edward (1489) | Won 2-0 | +141725 |
| 7sealed | 42 | Delano, Jonathan (1558) | Won 2-1 | +151740 |
| 8sealed | 44 | Siembor, Michael (1598) | Lost 0-2 | -211719 |
| 9sealed | 104 | Azzano, Douglas (1920) | Won 2-1 | +221741 |
| 10draft | 54 | Collins, Jason (1642) | Lost 1-2 | -201721 |
| 11draft | 4 | Osyda, Eric (1579) | Lost 1-2 | -201701 |
| 12draft | 76 | Senneway, Bill (1636) | Lost 0-2 | -201681 |
| 13draft | 9 | Wright, Christopher (1545) | Lost 0-2 | -201661 |
| top | average opponent: 1586record: 7-6 | new rating: 1661 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1625 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 394 | Figueroa, Javier (1500) | Won 2-1 | +161641 |
| 2sealed | 89 | Abramson, Jonathan (1496) | Won 2-1 | +151656 |
| 3sealed | 279 | Rudolph, Jacob (1615) | Lost 1-2 | -191637 |
| 4sealed | 405 | Zhao, Michael [USA] (1517) | Won 2-1 | +161653 |
| 5sealed | 211 | Rice, Connor (1583) | Won 2-0 | +171670 |
| 6sealed | 59 | Waksman, Adam (1595) | Lost 0-2 | -191651 |
| 7sealed | 239 | Hall, Zack (1799) | Won 2-0 | +201671 |
| 8sealed | 218 | Murdock, Charley (1701) | Won 0-0 | +191690 |
| 9sealed | 97 | Heakins, Jason (1580) | Lost 0-2 | -201670 |
| top | average opponent: 1598record: 6-3 | new rating: 1670 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1625 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 14 | Scott-Vargas, Luis (1747) | Lost 1-2 | -161609 |
| 5sealed | 67 | Adams, Lucas (1535) | Lost 0-2 | -201589 |
| 6sealed | 267 | Jones, Glenn (1703) | Lost 1-2 | -161573 |
| 7sealed | 213 | Vincek, Christopher (1421) | Won 2-1 | +161589 |
| 8sealed | 148 | Usner, Jacob (1579) | Won 2-1 | +181607 |
| 9sealed | 118 | Urban, Matthew (1632) | Won 2-1 | +181625 |
| top | average opponent: 1603record: 3-3 | new rating: 1625 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 127 | Moneymaker, Nathan (1572) | Won 2-1 | +171603 |
| 3standard | 82 | Mcdowell, Derek (1538) | Won 2-0 | +171620 |
| 4standard | 20 | Mack, Shaun (1582) | Lost 0-2 | -181602 |
| 5standard | 119 | Smith, Stan (1500) | Won 2-1 | +161618 |
| 6standard | 163 | Scovazzo, Michael (1628) | Lost 0-2 | -181600 |
| 7standard | 238 | Woods, Conley (2022) | Won 2-0 | +251625 |
| 8standard | 133 | Benjamin, Kyle (1555) | Lost 0-2 | -191606 |
| 9standard | 175 | McLean, Drew (1643) | Won 2-0 | +191625 |
| top | average opponent: 1630record: 5-3 | new rating: 1625 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 213 | Cullinan, Kevin (1428) | Lost 1-2 | -211574 |
| 3standard | 465 | Skedzielewski, Karl (1498) | Lost 0-2 | -191555 |
| 4standard | 557 | Benson, Riley (1481) | Won 2-0 | +171572 |
| 5standard | 364 | Rocco, Kyle A (1500) | Won 2-1 | +161588 |
| 6standard | 277 | Padgett, Paul (1517) | Won 2-0 | +171605 |
| 7standard | 190 | Canavan, Chris (1538) | Lost 1-2 | -191586 |
| top | average opponent: 1494record: 3-3 | new rating: 1586 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 643 | Rufrano, Nicholas (1518) | Won 2-1 | +171575 |
| 3standard | 667 | Jackson, John (1409) | Won 2-1 | +151590 |
| 4standard | 695 | Roman, Andrew (1606) | Won 2-0 | +181608 |
| 5standard | 615 | Walker, Noah (1556) | Lost 0-2 | -191589 |
| 6standard | 709 | Russ, David C (1541) | Won 2-0 | +181607 |
| 7standard | 639 | Martell, Tom (1868) | Lost 1-2 | -141593 |
| 8standard | 698 | Czirr, Mark (1555) | Won 2-0 | +171610 |
| 9standard | 684 | Haywood, Tim E (1526) | Won 2-0 | +171627 |
| 10standard | 34 | Winn, Tyler (1659) | Lost 1-2 | -171610 |
| 11standard | 72 | Capriolo, Paul (1552) | Lost 1-2 | -191591 |
| 12standard | 99 | Lubarsky, Zachary (1540) | Won 2-1 | +171608 |
| 13standard | 72 | Adams, Joshua H (1582) | Lost 1-2 | -191589 |
| 14standard | 86 | Ellis, Kenneth (1734) | Won 2-0 | +211610 |
| 15standard | 75 | Kadooka, Toshiyuki (1806) | Lost 0-2 | -151595 |
| top | average opponent: 1604record: 8-6 | new rating: 1595 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 198 | Sussino, Tim (1556) | Lost 0-2 | -181500 |
| 3extended | 236 | McCoy, Kurtis (1600) | Lost 0-2 | -161484 |
| 4extended | 343 | Timlin, Timothy (1481) | Won 2-0 | +181502 |
| 5extended | 277 | Kreuter, Chris (1502) | Won 2-0 | +181520 |
| 6extended | 235 | Peets, Griffin (1522) | Lost 0-1 | -181502 |
| 7extended | 254 | Greenwald, Oliver (1435) | Won 2-1 | +171519 |
| 8extended | 172 | Schneider, Brian (1559) | Won 2-1 | +191538 |
| 9extended | 140 | Stolze, Philip (1660) | Won 2-1 | +201558 |
| top | average opponent: 1539record: 5-3 | new rating: 1558 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 173 | Ruffalo, Vince (1500) | Won 2-0 | +171538 |
| 2legacy | 18 | Atwood, Justin R (1500) | Won 2-0 | +181556 |
| 3legacy | 91 | Pederson, Geoffery A (1535) | Lost 0-2 | -191537 |
| 4legacy | 259 | Mancinelli, Matthew (1518) | Lost 0-2 | -181519 |
| 5legacy | 304 | Colina, Carlos D (1498) | Won 2-0 | +171536 |
| 6legacy | 150 | Thorn, Adam (1487) | Lost 0-2 | -181518 |
| top | average opponent: 1506record: 3-3 | new rating: 1518 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 8 | Thorlakson, Neil (1500) | Won 2-1 | +181500 |
| 2extended | 11 | Grosso, Dominick (1554) | Draw 1-1 | +11501 |
| 3extended | 132 | Nguyen, Dan V (1518) | Lost 0-0 | -171484 |
| 4extended | 234 | Nabach, Jerry (1499) | Won 2-0 | +181502 |
| 5extended | 173 | Christopher, Lou (1517) | Won 2-0 | +181520 |
| 6extended | 112 | Wellington, Larry (1534) | Won 2-1 | +181538 |
| 7extended | 71 | Sauro, Andy (1553) | Lost 1-2 | -171521 |
| top | average opponent: 1525record: 4-2-1 | new rating: 1521 | ||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Waltzer, Silas (1500) | Lost 0-2 | -181482 |
| 2sealed | 295 | Johnson, Ryan K (1481) | Won 2-0 | +181500 |
| 3sealed | 211 | Wojnarski, Ryan (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1494record: 1-2 | new rating: 1482 | ||