Kauffman, Thomas
Current rating: 1552
Record: 63-68-2
- 1999
- 2000
- 2001
- 2002
- 2003
- 2012
- 2014
- 2015
- 2017
- 2018
- 2019
- 2020
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 17 | Sharich, James (1464) | Won 2-1 | +161562 |
| 4pioneer | 41 | Nedelchev, Zhivko (1782) | Won 2-1 | +221584 |
| 5pioneer | 30 | Kurd-Misto, Mohammed (1601) | Lost 1-2 | -171567 |
| 6pioneer | 82 | Roether, Oscar (1621) | Lost 1-2 | -171550 |
| 7pioneer | 136 | Tickal, Matthew (1668) | Won 2-1 | +201570 |
| 8pioneer | 92 | Buddensiek, Peter (1607) | Lost 1-2 | -181552 |
| top | average opponent: 1624record: 3-3 | new rating: 1552 | ||
| Grand Prix Phoenix 2019 (ELD limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 24 | Nelson, Colleen (1503) | Lost 1-2 | -191516 |
| 4sealed | 132 | Pan, Phimus (1928) | Won 2-0 | +251541 |
| 5sealed | 54 | Chan, Joshua (1548) | Won 2-0 | +181559 |
| 6sealed | 23 | Jacobson, Mark (1961) | Won 2-1 | +251584 |
| 7sealed | 41 | Mahoney, Michael (1487) | Lost 0-2 | -191565 |
| 8sealed | 40 | Rubin, Sam (1520) | Lost 1-2 | -191546 |
| top | average opponent: 1658record: 3-3 | new rating: 1546 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1193 | Brunton, David (1629) | Won 2-0 | +181634 |
| 4modern | 142 | Loukides, Matthew (1467) | Lost 0-2 | -211613 |
| 5modern | 280 | Teranishi, Daniel (1634) | Lost 0-2 | -171596 |
| 6modern | 454 | Sweeney, Mark (1395) | Lost 1-2 | -221574 |
| 7modern | 433 | Sisk, Tyler (1507) | Lost 0-2 | -191555 |
| 8modern | 385 | Watson, Elizabeth (1435) | Lost 0-2 | -201535 |
| top | average opponent: 1511record: 1-5 | new rating: 1535 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 140 | Chu, Frank (1532) | Won 2-1 | +161637 |
| 4modern | 56 | Gonzalez, Gabriel (1673) | Won 2-0 | +191656 |
| 5modern | 29 | Dyer, Greg (1652) | Lost 0-2 | -181638 |
| 6modern | 57 | Beltran, Matthew (1632) | Lost 1-2 | -191619 |
| 7modern | 146 | Villanueva, Yair (1541) | Won 2-1 | +171636 |
| 8modern | 84 | Johnson, Nicolas (1537) | Lost 0-2 | -201616 |
| top | average opponent: 1595record: 3-3 | new rating: 1616 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 226 | Cortez, Lauro (1634) | Won 2-1 | +191592 |
| 3standard | 174 | Wells, John W (1962) | Lost 1-2 | -121580 |
| 4standard | 261 | Huckaby, Danny (1520) | Won 2-0 | +171597 |
| 5standard | 142 | Holliday, Jonathan (1539) | Won 2-0 | +171614 |
| 6standard | 64 | Higashi, Chris (1872) | Won 2-1 | +231637 |
| 7standard | 19 | Mason, Donald (1462) | Draw 1-1 | -31634 |
| 8standard | 47 | Black, Samuel (1920) | Lost 0-2 | -131621 |
| top | average opponent: 1701record: 4-2-1 | new rating: 1621 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 212 | Iams, Garrison (1608) | Won 2-0 | +191566 |
| 3modern | 130 | Kalbus, Wes (1876) | Won 2-0 | +241590 |
| 4modern | 105 | Shivji, Qail (1785) | Lost 0-2 | -151575 |
| 5modern | 114 | Masumoto, Ken (1476) | Lost 1-2 | -201555 |
| 6modern | 397 | Vinn, Mike (1517) | Won 2-0 | +181573 |
| 7modern | 265 | Bolick, Robbie (1695) | Lost 0-2 | -161557 |
| 8modern | 297 | Mahoney, Michael (1431) | Won 2-1 | +161573 |
| top | average opponent: 1627record: 4-3 | new rating: 1573 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 260 | Vittorio, Frank (1464) | Won 2-0 | +171520 |
| 2standard | 47 | Ortega, Erick (1517) | Won 2-0 | +181538 |
| 3standard | 161 | Neal, Chris (1765) | Lost 0-2 | -141524 |
| 4standard | 187 | Hitt, Brandon (1575) | Won 2-0 | +191543 |
| 5standard | 226 | Nguyen, Chris (1517) | Won 2-1 | +181561 |
| 6standard | 96 | Nollen, Dylan (1808) | Lost 0-2 | -141547 |
| 7standard | 156 | Simmons, Rashad (1503) | Won 2-1 | +181565 |
| 8standard | 69 | Jew, Jeffrey (1598) | Lost 1-2 | -181547 |
| top | average opponent: 1593record: 5-3 | new rating: 1547 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 450 | Bennett, Trista (1500) | Won 2-0 | +191477 |
| 2modern | 491 | Ebert, Brandon (1519) | Won 2-0 | +191496 |
| 3modern | 434 | Wedell, Joshua (1477) | Lost 0-2 | -181478 |
| 4modern | 492 | Haker, Elizabeth (1411) | Won 2-0 | +161494 |
| 5modern | 214 | Roepke, Chris (1631) | Won 2-1 | +211515 |
| 6modern | 184 | Pina-Lira, Esteban (1583) | Lost 0-2 | -171498 |
| 7modern | 317 | Romero, Francisco (1521) | Lost 1-2 | -181480 |
| 8modern | 346 | Suzuki, Shuho (1745) | Won 2-1 | +231503 |
| top | average opponent: 1548record: 5-3 | new rating: 1503 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 53 | Tish, Bradley (1591) | Lost 0-2 | -161472 |
| 2modern | 409 | Doan, Ryan (1467) | Won 2-0 | +181490 |
| 3modern | 532 | Pratt, Calvin (1500) | Won 2-1 | +181508 |
| 4modern | 245 | Olvera, Bryan (1669) | Won 2-0 | +211529 |
| 5modern | 281 | Antwan, Steven (1532) | Lost 1-2 | -181511 |
| 6modern | 320 | Villegas, Alyssa (1518) | Lost 0-2 | -171494 |
| 7modern | 372 | Frank, Andrew (1581) | Lost 0-2 | -171477 |
| 8modern | 311 | Cheung, Eric (1437) | Lost 0-2 | -191458 |
| top | average opponent: 1537record: 3-5 | new rating: 1458 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 668 | Kaphengst, Eric (1569) | Won 2-1 | +201485 |
| 2modern | 527 | Go, Calvin (1533) | Lost 1-2 | -171468 |
| 3modern | 1076 | [anonymous] | Lost 0-2 | -171451 |
| 4modern | 1280 | Came, Sean (1433) | Won 2-0 | +171468 |
| 5modern | 753 | Thomas, Chris (1540) | Won 2-0 | +201488 |
| 6modern | 622 | Lynch, Michael (1527) | Lost 1-2 | -181470 |
| 7modern | 761 | Lewsadder, Brian (1476) | Won 2-1 | +181488 |
| top | average opponent: 1515record: 4-3 | new rating: 1488 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 369 | Smethurst, Dan (1412) | Draw 1-1 | -21541 |
| 2sealed | 539 | Bishop, Eric (1536) | Lost 1-2 | -191522 |
| 3sealed | 974 | Metz, Taylor (1465) | Lost 0-2 | -191503 |
| 4sealed | 1010 | Leyba, Andrew (1413) | Lost 1-2 | -191484 |
| 5sealed | 960 | Tran, Wilson (1431) | Lost 1-2 | -191465 |
| top | average opponent: 1451record: 0-4-1 | new rating: 1465 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 567 | Hobler, Franklin (1500) | Lost 1-2 | -191502 |
| 2legacy | 761 | Gille, Randolph (1633) | Lost 1-2 | -151487 |
| 3legacy | 1113 | Moss, Chadwick (1462) | Won 2-0 | +171504 |
| 4legacy | 1088 | Mroz, Corey (1499) | Won 2-0 | +181522 |
| 5legacy | 853 | Goy, Sky (1518) | Won 2-1 | +181540 |
| 6legacy | 665 | Logan, Colin (1739) | Lost 1-2 | -141526 |
| 7legacy | 753 | Hughes, Daniel (1484) | Won 2-1 | +171543 |
| top | average opponent: 1548record: 4-3 | new rating: 1543 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 59 | Stretch, Beverly (1500) | Won 2-0 | +201394 |
| 2standard | 104 | Simao, William (1519) | Won 2-1 | +201414 |
| 3standard | 76 | Casias, Benjamin (1433) | Won 2-1 | +181432 |
| 4standard | 157 | Abernathy, Cole (1522) | Lost 1-2 | -161416 |
| 5standard | 245 | Ferraro, Casey (1548) | Won 2-0 | +201436 |
| 6standard | 128 | Akiyama, Justin (1642) | Lost 1-2 | -141422 |
| 7standard | 276 | Solis, Carlos (1446) | Won 2-0 | +191441 |
| 8standard | 189 | Clarkson, Kevin (1591) | Won 2-0 | +201461 |
| 9standard | 56 | Lipp, Scott (2127) | Won 2-1 | +291490 |
| 10standard | 46 | Sloan, Shawn (1621) | Won 2-0 | +201510 |
| 11standard | 26 | Koenig, Ryan (1635) | Lost 1-2 | -151495 |
| 12standard | 41 | Kalbus, Wes (1695) | Lost 1-2 | -151480 |
| 13standard | 52 | Jackson, Ron (1585) | Won 2-0 | +201500 |
| 14standard | 40 | Jafari, Keyan (1653) | Won 2-1 | +211521 |
| 15standard | 44 | Kim, Jeremy (1736) | ID | 01521 |
| top | average opponent: 1617record: 10-4-1 | new rating: 1521 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 307 | North, Danielle (1500) | Won 2-1 | +201425 |
| 2standard | 125 | Van Druten, John (1445) | Lost 1-2 | -181407 |
| 3standard | 582 | Hall, Blaine (1499) | Lost 0-2 | -161391 |
| 4standard | 659 | Greer, Bradley (1430) | Lost 0-2 | -171374 |
| top | average opponent: 1469record: 1-3 | new rating: 1374 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1403 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 222 | Snyder, Eric (1508) | Lost 1-2 | -161387 |
| 2standard | 444 | Harris, Tyler (1481) | Won 2-0 | +201407 |
| 3standard | 314 | Downing, Bruce (1500) | Lost 0-2 | -161391 |
| 4standard | 688 | McDonald, Austin (1481) | Won 2-1 | +191410 |
| 5standard | 410 | Corpora, Jon (1468) | Lost 0-2 | -171393 |
| 6standard | 499 | Pangnathip, Souksavanh (1465) | Lost 0-2 | -161377 |
| 7standard | 464 | Penniman, Talbot (1463) | Won 2-0 | +191396 |
| 8standard | 340 | Littman, Fai (1722) | Won 2-0 | +241420 |
| 9standard | 264 | Neigel, Barrett (1588) | Lost 0-2 | -151405 |
| top | average opponent: 1519record: 4-5 | new rating: 1405 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Engelhardt, Efridge (1500) | Won 2-1 | +201410 |
| 2standard | 33 | Anderson, Todd (1518) | Lost 0-2 | -161394 |
| 3standard | 123 | Davis, Dean (1500) | Lost 1-2 | -161378 |
| 4standard | 221 | Goff, Ricky (1482) | Lost 1-2 | -161362 |
| 5standard | 211 | Savage, Jason [USA] (1464) | Lost 0-2 | -161346 |
| 6standard | 177 | Dunn, Chris 2 (1380) | Won 2-0 | +181364 |
| 7standard | 137 | Stewart, Kelsie (1463) | Won 2-0 | +201384 |
| 8standard | 98 | Mattson, Adam (1460) | Won 2-0 | +191403 |
| top | average opponent: 1471record: 4-4 | new rating: 1403 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Winner, Tom (1500) | Lost 1-2 | -161401 |
| 2sealed | 190 | Higby-Naquin, Cameron (1482) | Won 2-0 | +191420 |
| 3sealed | 189 | Bongiovanni, Mauro (1627) | Lost 0-2 | -141406 |
| 4sealed | 218 | Garnett, Danny (1515) | Lost 0-2 | -161390 |
| top | average opponent: 1531record: 1-3 | new rating: 1390 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 54 | Hirsch, Steve (1521) | Lost 0-2 | -171449 |
| 3sealed | 114 | Peli, Ben (1499) | Lost 0-2 | -181431 |
| 4sealed | 199 | Tsitiridis, Peter (1481) | Won 2-1 | +191450 |
| 5sealed | 136 | Hiebert, Rebecca (1562) | Lost 1-2 | -161434 |
| 6sealed | 148 | Ng, Eric (1481) | Lost 0-2 | -171417 |
| top | average opponent: 1509record: 1-4 | new rating: 1417 | ||
| Grand Prix Philadelphia 2000 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 57 | Russell, Kenneth (1541) | Lost 0-0 | -181483 |
| 4extended | 114 | Garamvolgyi, Alex (1500) | Lost 0-0 | -171466 |
| top | average opponent: 1521record: 0-2 | new rating: 1466 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 27 | Alayli, Mohammed (1518) | Lost 0-0 | -181482 |
| 3sealed | 100 | Dykhne, Zakhary (1500) | Won 0-0 | +191501 |
| 4sealed | 130 | York, Matthew (1518) | Won 0-0 | +181519 |
| 5sealed | 88 | Wright, Randy (1489) | Lost 0-0 | -191500 |
| 6sealed | 82 | Sorrentino, John (1488) | Lost 0-0 | -181482 |
| 7sealed | 83 | Fischer, Adam (1499) | Won 0-0 | +191501 |
| top | average opponent: 1502record: 3-3 | new rating: 1501 | ||