Katz, Samuel
Current rating: 1559
Record: 33-29-2
| Grand Prix Austin 2020 (modern) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 27 | Hoenstine, James (1481) | Lost 0-2 | -201583 |
| 2modern | 221 | Sullivan, Thomas [USA] (1462) | Won 2-1 | +161599 |
| 3modern | 288 | Clark, Alexander (1494) | Lost 1-2 | -201579 |
| 4modern | 317 | Shea, James (1466) | Lost 1-2 | -201559 |
| top | average opponent: 1476record: 1-3 | new rating: 1559 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 314 | Boyett, Colin (1500) | Lost 0-2 | -191536 |
| 2modern | 499 | Cruz, Shelby (1447) | Draw 1-1 | -11535 |
| 3modern | 507 | Stephens, Brian (1482) | Won 2-0 | +171552 |
| 4modern | 382 | Manor, Blake (1498) | Won 2-0 | +171569 |
| 5modern | 258 | Vu, Alexander (1553) | Won 2-0 | +181587 |
| 6modern | 162 | Smith, Kade (1542) | Won 2-1 | +171604 |
| 7modern | 97 | Bertelsman, Jon (1555) | Won 2-0 | +171621 |
| 8modern | 56 | Alford, Gerrick (1634) | Lost 1-2 | -181603 |
| top | average opponent: 1526record: 5-2-1 | new rating: 1603 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 507 | Davidson, Joe (1434) | Won 2-0 | +161529 |
| 2legacy | 162 | Merchant, Sameer (1645) | Won 2-0 | +201549 |
| 3legacy | 303 | Barich, Aaron (2014) | Lost 0-2 | -101539 |
| 4legacy | 417 | Ferguson, Scott (1519) | Won 2-0 | +181557 |
| 5legacy | 259 | Vegso, Brian (1501) | Won 2-1 | +171574 |
| 6legacy | 85 | Irwin, Sean (1575) | Lost 0-2 | -181556 |
| 7legacy | 311 | Haglund, Leighton (1613) | Won 2-0 | +191575 |
| 8legacy | 144 | Oonishi, Takahisa (1493) | Lost 0-2 | -201555 |
| top | average opponent: 1599record: 5-3 | new rating: 1555 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 479 | Flaherty, Willie (1454) | Lost 1-2 | -191496 |
| 2modern | 583 | Davis, Seth (1415) | Lost 1-2 | -201476 |
| 3modern | 668 | Salyer, Nicholas (1394) | Won 2-1 | +171493 |
| 4modern | 561 | Hotchkiss, Hayden (1481) | Won 2-0 | +171510 |
| 5modern | 314 | Stack, Stephen (1480) | Won 2-1 | +181528 |
| 6modern | 276 | Scott, Michael (1568) | Won 2-0 | +191547 |
| 7modern | 265 | Wong, Daniel (1655) | Lost 0-2 | -161531 |
| 8modern | 266 | Bradley, Collin (1539) | Lost 0-2 | -181513 |
| top | average opponent: 1498record: 4-4 | new rating: 1513 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 649 | Cohen, Kyle (1500) | Won 2-1 | +181511 |
| 2modern | 108 | Buck, Jonathan (1484) | Won 2-1 | +171528 |
| 3modern | 14 | Martin, John (1451) | Lost 1-2 | -191509 |
| 4modern | 406 | Kasper, Isaac (1518) | Won 2-0 | +181527 |
| 5modern | 176 | Wallis, Brandon (1540) | Won 2-0 | +181545 |
| 6modern | 122 | McClenathan, Sean (1756) | Lost 0-2 | -141531 |
| 7modern | 362 | Fund, Ian (1561) | Lost 0-2 | -171514 |
| 8modern | 367 | Lederer, Paul (1526) | Won 2-1 | +181532 |
| 9modern | 321 | Mercado, Rogelio (1572) | Lost 1-2 | -171515 |
| top | average opponent: 1545record: 5-4 | new rating: 1515 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 70 | Courcy, Daniel (1413) | Lost 0-1 | -201491 |
| 2legacy | 653 | Godissart, Matt (1464) | Lost 0-2 | -191472 |
| 3legacy | 828 | O'Neill Taranto, Mick (1463) | Won 2-0 | +181490 |
| 4legacy | 653 | Albert, Jacob (1392) | Lost 0-2 | -201470 |
| 5legacy | 751 | Strianese, Michael (1597) | Won 2-1 | +211491 |
| 6legacy | 709 | Spiesz, Brennan (1476) | Won 2-0 | +171508 |
| 7legacy | 528 | Anglin, Jason (1501) | Won 2-0 | +181526 |
| 8legacy | 476 | Hoey, Matthew (1664) | Lost 0-2 | -151511 |
| 9legacy | 380 | Barnes, Bert (1510) | Lost 0-2 | -181493 |
| top | average opponent: 1498record: 4-5 | new rating: 1493 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 366 | Flora, Kenneth (1500) | Lost 1-2 | -191515 |
| 2legacy | 725 | Hart, Brendan (1480) | Lost 1-2 | -191496 |
| 3legacy | 911 | Brossard, Dustin (1463) | Won 2-1 | +181514 |
| 4legacy | 836 | Spence, Andrew (1487) | Lost 0-2 | -191495 |
| 5legacy | 776 | Goff, Robert (1424) | Won 2-0 | +171512 |
| 6legacy | 682 | Ahmad, Camran (1553) | Lost 1-2 | -171495 |
| 7legacy | 559 | Johnson, Jamie M (1435) | Lost 1-2 | -191476 |
| 8legacy | 447 | Rosenbery, Ian (1447) | Won 2-0 | +171493 |
| 9legacy | 347 | Juarez-Haden, Iniki (1467) | Won 2-1 | +181511 |
| top | average opponent: 1473record: 4-5 | new rating: 1511 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 5 | Del Aguila, Julio (1417) | Won 2-0 | +161516 |
| 2standard | 105 | Miller, Joshua K (1519) | Won 2-0 | +191535 |
| 3standard | 9 | Anderson, James (1443) | Draw 1-1 | -21533 |
| 4standard | 152 | Francis, Vid (1502) | Won 2-0 | +171550 |
| 5standard | 77 | Duffield, Cody (1553) | Won 2-1 | +181568 |
| 6standard | 39 | Gann, Matthew A (1572) | Won 2-0 | +181586 |
| 7standard | 18 | Rethke, Corey (1613) | Lost 1-2 | -171569 |
| 8standard | 69 | Shemroske, Joshua (1575) | Lost 0-2 | -181551 |
| 9standard | 128 | Jetter, Andrew (1583) | Lost 0-2 | -171534 |
| top | average opponent: 1531record: 5-3-1 | new rating: 1534 | ||