McCullough, Brandon
Current rating: 1311
Record: 8-23
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1284 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 165 | Lappin, Adam (1500) | Lost 1-2 | -141270 |
| 2modern | 282 | Smith, Madison (1559) | Won 2-0 | +231293 |
| 3modern | 366 | Preeshl, Tony (1557) | Lost 1-2 | -131280 |
| 4modern | 405 | Balser, Amy (1438) | Won 2-0 | +211301 |
| 5modern | 325 | Lewin, Nathaniel (1448) | Won 2-0 | +211322 |
| 6modern | 161 | Sanders, Dominic (1752) | Lost 1-2 | -111311 |
| top | average opponent: 1542record: 3-3 | new rating: 1311 | ||
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1303 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Aldrich, Michael (1500) | Lost 0-2 | -141289 |
| 2sealed | 185 | Jacobowitz, Daniel (1535) | Won 2-0 | +221311 |
| 3sealed | 279 | Malnar, Jeffrey (1499) | Lost 0-2 | -141297 |
| 4sealed | 299 | Jolin, Jonathan (1622) | Lost 1-2 | -131284 |
| top | average opponent: 1539record: 1-3 | new rating: 1284 | ||
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1306 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Tauring-Traxler, Oskar (1446) | Won 2-1 | +201326 |
| 2sealed | 127 | Merkes, Brett (1518) | Won 2-0 | +221348 |
| 3sealed | 193 | Braatz, Samuel (1611) | Lost 1-2 | -141334 |
| 4sealed | 290 | Draves, Cody (1485) | Lost 1-2 | -151319 |
| 5sealed | 262 | Rettler, Clinton (1435) | Lost 0-2 | -161303 |
| top | average opponent: 1499record: 2-3 | new rating: 1303 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1351 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 169 | Barette, Randy (1518) | Lost 0-2 | -151336 |
| 2sealed | 338 | Russo, Michael (1485) | Lost 1-2 | -151321 |
| 4sealed | 474 | Kiehn, Fletcher (1482) | Lost 1-2 | -151306 |
| top | average opponent: 1495record: 0-3 | new rating: 1306 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1376 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 37 | Geer, Nicholas (1500) | Won 2-0 | +201396 |
| 2modern | 444 | Janky, Gabriel (1408) | Lost 1-2 | -181378 |
| 3modern | 637 | Kostecka, Kyle (1515) | Won 2-0 | +211399 |
| 4modern | 478 | Cassutt, Ethan (1516) | Lost 0-2 | -161383 |
| 5modern | 449 | Buchanan, Ed (1491) | Lost 0-2 | -161367 |
| 6modern | 608 | Washington, John (1483) | Lost 1-2 | -161351 |
| top | average opponent: 1486record: 2-4 | new rating: 1351 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 145 | Hovarter, Danny (1451) | Lost 1-2 | -181409 |
| 2standard | 523 | Weilenman, Bryan (1517) | Lost 0-2 | -161393 |
| 3standard | 688 | Carroll, David (1441) | Lost 1-2 | -171376 |
| top | average opponent: 1470record: 0-3 | new rating: 1376 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 546 | Lo, Kou (1500) | Lost 0-2 | -181482 |
| 2standard | 814 | Minton, Andres (1460) | Lost 0-2 | -181464 |
| 3standard | 955 | Rogers, Tully (1413) | Lost 0-2 | -191445 |
| 4standard | 980 | Zeng, Scott (1446) | Lost 0-2 | -181427 |
| top | average opponent: 1455record: 0-4 | new rating: 1427 | ||