McGuffin, Max
Current rating: 1671
Record: 30-21-3 (GP) / 2-4 (professional)
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 34 | Bell, Michael (1546) | Won 2-0 | +171587 |
| 4block | 58 | Brown, Chester (1536) | Won 2-0 | +181605 |
| 5block | 26 | Paquette, Aeo (1573) | Lost 0-2 | -191586 |
| 6block | 51 | Yolkiewicz, Raymond (1520) | Won 2-0 | +171603 |
| 7block | 32 | Ferneyhough, Michael (1519) | Won 2-1 | +161619 |
| 8block | 21 | Charnesky, Brandon (1587) | ID | 01619 |
| 9block | 21 | Rubin, Benjamin (1957) | Won 2-0 | +241643 |
| 10block | 12 | Gauthier, Martin-Eric (1612) | Lost 1-2 | -181625 |
| 11block | 17 | Wright, Randy (1674) | Won 2-1 | +181643 |
| 12block | 9 | Hunka, John (1760) | Won 2-0 | +211664 |
| 13block | 5 | Harvey, Eugene (1929) | Lost 0-2 | -141650 |
| 14block | 15 | Moskovich, Valentin (1781) | Won 2-0 | +211671 |
| top | average opponent: 1666record: 8-3-1 | new rating: 1671 | ||
| Pro Tour Venice 2003 (Onslaught block) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 123 | Hirabayashi, Kazuya (1706) | Won 2-0 | +201613 |
| 2block | 13 | Padilla, Travis (1677) | Won 2-0 | +191632 |
| 3block | 19 | Jeudon, Florent (1756) | Lost 0-2 | -161616 |
| 4block | 22 | Poulsen, Palle (1764) | Lost 0-2 | -151601 |
| 5block | 96 | Rose, Kyle (1823) | Lost 0-2 | -141587 |
| 6block | 85 | Chiera, Luca (1640) | Lost 0-2 | -171570 |
| top | average opponent: 1728record: 2-4 | new rating: 1570 | ||
| Grand Prix New Orleans 2003 (extended) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 32 | Taggart, Michael (1525) | Won 2-1 | +171595 |
| 4extended | 58 | Falavolito, Paul (1502) | Lost 1-2 | -201575 |
| 5extended | 70 | Starleaf, Derek (1637) | Won 2-0 | +201595 |
| 6extended | 45 | Miller, Stephen (1583) | Won 2-0 | +171612 |
| 7extended | 14 | Ferguson, Beau (1574) | Lost 0-2 | -181594 |
| 8extended | 27 | Shvartsman, Alex (1751) | Won 2-0 | +211615 |
| 9extended | 31 | Greenspan, Jonathan (1463) | Lost 0-2 | -211594 |
| 10extended | 29 | Hart, Daniel (1564) | Won 2-0 | +171611 |
| 11extended | 20 | Parker, Zach (1655) | Lost 0-2 | -171594 |
| 12extended | 24 | Van Zandt, Andy (1447) | Won 2-0 | +151609 |
| 13extended | 22 | Ross, Tom (1571) | Draw 1-1 | 01609 |
| 14extended | 20 | Reeves, Neil (1727) | Lost 0-2 | -161593 |
| top | average opponent: 1583record: 6-5-1 | new rating: 1593 | ||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 51 | Ferneyhough, Michael (1505) | Won 2-0 | +171555 |
| 4block | 30 | Peli, Ben (1507) | Won 2-1 | +181573 |
| 5block | 17 | Jensen, William (1899) | Lost 0-2 | -131560 |
| 6block | 70 | Harlan, Peter (1558) | Lost 0-2 | -181542 |
| 7block | 54 | Wood, Matthew (1540) | Won 2-1 | +181560 |
| 8block | 61 | Tracey, Paul (1554) | Won 2-0 | +181578 |
| top | average opponent: 1594record: 4-2 | new rating: 1578 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 69 | Reilly, Michael (1518) | Won 2-1 | +181512 |
| 3sealed | 41 | Becker, Jonathan (1431) | Won 2-1 | +161528 |
| 4sealed | 34 | Stern, Jon (1658) | Won 2-1 | +211549 |
| 5sealed | 16 | Weil, Noah (1725) | Won 2-0 | +211570 |
| 6sealed | 2 | Racht, Adam (1579) | Lost 0-2 | -181552 |
| 7sealed | 15 | Godinez Estrada, Gerardo (1833) | ID | 01552 |
| 8draft | 20 | Davis, Brian (1767) | Lost 1-2 | -141538 |
| top | average opponent: 1645record: 4-2-1 | new rating: 1538 | ||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 16 | Taylor, Eric (1651) | Lost 1-2 | -161487 |
| 5extended | 58 | Job, Jonathan (1617) | Draw 1-1 | +31490 |
| 6extended | 69 | Bernat, Michael (1632) | Won 2-0 | +201510 |
| 7extended | 39 | Regan, William (1571) | Lost 1-2 | -161494 |
| top | average opponent: 1618record: 1-2-1 | new rating: 1494 | ||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 4 | Taylor, Kelly (1500) | Lost 1-2 | -191515 |
| 5sealed | 53 | Borteh, Alex (1875) | Lost 0-2 | -111504 |
| 6sealed | 72 | Bourdeau, Luc (1438) | Lost 1-2 | -191485 |
| 7sealed | 89 | Karasoulis, Mikhail (1501) | Won 2-1 | +181503 |
| top | average opponent: 1578record: 1-3 | new rating: 1503 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Greenstein, Jordan (1500) | Draw 1-1 | -11573 |
| 2sealed | 154 | Kozel, Kirby R (1500) | Lost 1-2 | -201553 |
| 3sealed | 234 | Diesch, Matthew (1483) | Lost 1-2 | -191534 |
| top | average opponent: 1494record: 0-2-1 | new rating: 1534 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 173 | Bernasconi, Matthew (1500) | Won 2-0 | +181518 |
| 2sealed | 101 | Herkner, Chris (1467) | Won 2-1 | +171535 |
| 3sealed | 58 | Colthurst, Thomas (1536) | Won 2-0 | +181553 |
| 4sealed | 63 | Sorino, Roger (1625) | Lost 0-2 | -171536 |
| 5sealed | 103 | Bregoli, Mike (1638) | Lost 1-2 | -161520 |
| 6sealed | 109 | Freneau, Phil (1523) | Won 2-0 | +181538 |
| 7sealed | 72 | Rubin, Matthew (1534) | Won 2-1 | +181556 |
| 8sealed | 54 | Snyder, Derek (1544) | Won 2-1 | +181574 |
| top | average opponent: 1546record: 6-2 | new rating: 1574 | ||