Kaczor, Mike
Current rating: 1440
Record: 18-23-1
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 566 | Kelley, Mark (1446) | Won 2-0 | +171471 |
| 2modern | 110 | Cooley, Marcus (1504) | Won 2-0 | +191490 |
| 3modern | 9 | Swan, Thomas (1631) | Won 2-0 | +211511 |
| 4modern | 6 | Graf, Thomas (1562) | Lost 0-2 | -181493 |
| 5modern | 246 | Smith, Jackson (1595) | Lost 0-2 | -161477 |
| 6modern | 563 | Diesel, John (1385) | Lost 1-2 | -191458 |
| 7modern | 563 | Chung, Matthew (1467) | Lost 0-2 | -181440 |
| top | average opponent: 1513record: 3-4 | new rating: 1440 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 463 | Eide, Adam (1481) | Won 2-1 | +191466 |
| 2modern | 298 | Miller, Ben 7015 (1517) | Lost 1-2 | -171449 |
| 3modern | 645 | Bradshaw, Matthew (1464) | Lost 1-2 | -181431 |
| 4modern | 922 | Travis, Brandon (1482) | Won 2-0 | +191450 |
| 5modern | 910 | Porter, Donald (1503) | Lost 0-2 | -171433 |
| 6modern | 762 | Van Zeeland, Thomas (1473) | Won 2-0 | +191452 |
| 7modern | 667 | Crawford, Joshua (1499) | Won 2-0 | +191471 |
| 8modern | 596 | Baez, Nelson (1520) | Lost 0-2 | -171454 |
| top | average opponent: 1492record: 4-4 | new rating: 1454 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 715 | MENDELA, ANTHONY (1500) | Won 2-0 | +181520 |
| 2standard | 745 | Maniscalli, Chris (1518) | Lost 1-2 | -181502 |
| 3standard | 773 | Schroeder, Jeran (1474) | Lost 1-2 | -191483 |
| 4standard | 924 | Wallace-Cyman, Daniel (1482) | Lost 1-2 | -181465 |
| 5standard | 897 | Rach, Kevin (1467) | Lost 0-2 | -181447 |
| top | average opponent: 1488record: 1-4 | new rating: 1447 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 415 | Prell, Josh (1500) | Won 2-0 | +191476 |
| 2standard | 239 | Sullivan, Cameron (1518) | Won 2-1 | +191495 |
| 3standard | 178 | Rodrigues, Hugo (1718) | Lost 1-2 | -141481 |
| 4standard | 421 | [anonymous] | Draw 1-1 | 01481 |
| 5standard | 361 | Wilson, Benjamin (1518) | Won 2-0 | +191500 |
| 6standard | 229 | Williams, Vincent (1553) | Won 2-0 | +191519 |
| 7standard | 140 | Pan, Boris (1522) | Lost 0-2 | -181501 |
| 8standard | 243 | Rentz, Roc (1538) | Won 2-1 | +191520 |
| 9standard | 156 | Cafaro, Tom (1521) | Lost 0-2 | -181502 |
| top | average opponent: 1545record: 5-3-1 | new rating: 1502 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 219 | Austin, Dylan (1519) | Won 0-0 | +191484 |
| 3modern | 97 | Morenz, Will (1523) | Won 2-1 | +191503 |
| 4modern | 84 | Walton, Christopher (1597) | Lost 1-2 | -161487 |
| 5modern | 174 | Everson, Mark (1587) | Lost 1-2 | -161471 |
| 6modern | 434 | Hoey, Matthew (1738) | Lost 1-2 | -141457 |
| top | average opponent: 1593record: 2-3 | new rating: 1457 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 415 | Frazier, Donald (1500) | Lost 1-2 | -181447 |
| 2sealed | 417 | Flood, Jon (1483) | Won 2-0 | +191466 |
| 3sealed | 311 | Campbell, Ryan (1500) | Won 2-0 | +191485 |
| 4sealed | 483 | Nyhart, Ken (1411) | Lost 0-2 | -201465 |
| top | average opponent: 1473record: 2-2 | new rating: 1465 | ||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 36 | Smith, Josh (1531) | Lost 1-2 | -171483 |
| 2sealed | 141 | Date, Vinay (1482) | Won 2-0 | +181501 |
| 3sealed | 107 | Francis, James (1493) | Lost 1-2 | -191482 |
| 4sealed | 188 | Bilz, Dean (1499) | Lost 0-2 | -171465 |
| top | average opponent: 1501record: 1-3 | new rating: 1465 | ||