Guzman, Daniel
Current rating: 1633
Record: 18-10-2
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Becker, Paul (1500) | Won 2-0 | +161629 |
| 2standard | 104 | Jolin, Gregory (1853) | Won 2-0 | +221651 |
| 3standard | 90 | Maeba, Hideaki (1824) | Lost 1-2 | -151636 |
| 4standard | 209 | Leidner, Ronald (1542) | Draw 1-1 | -21634 |
| 5standard | 180 | Flanders, Skye (1571) | Won 2-0 | +171651 |
| 6standard | 114 | Harris, Trevor (1611) | Lost 0-2 | -181633 |
| top | average opponent: 1650record: 3-2-1 | new rating: 1633 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 2 | Maldonado, Stephen (1432) | Won 2-1 | +161586 |
| 2extended | 137 | Draeger, Chris D (1518) | Lost 1-2 | -191567 |
| 3extended | 220 | Meditz, Rick (1499) | Won 2-0 | +161583 |
| 4extended | 179 | Meyst, Rich (1564) | Lost 1-2 | -181565 |
| 5extended | 241 | Wellington, Larry (1512) | Won 2-0 | +171582 |
| 6extended | 258 | Scarborough, Joshua (1519) | Won 2-1 | +171599 |
| 7extended | 127 | Bertoncini, Alex (1483) | Lost 0-2 | -201579 |
| 8extended | 171 | Cayne, Avery (1502) | Won 2-1 | +161595 |
| 9extended | 137 | Fanjoy, Ben (1573) | Won 2-0 | +181613 |
| top | average opponent: 1511record: 6-3 | new rating: 1613 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 91 | Visconti, Michael (1484) | Won 2-1 | +171554 |
| 2extended | 85 | Marchesano, Ernie (1530) | Draw 1-1 | -11553 |
| 3extended | 126 | Khutorsky, Eugene (1500) | Won 2-1 | +171570 |
| 4extended | 85 | Converse, Andrew (1538) | Won 2-1 | +181588 |
| 5extended | 45 | Derbyshire, Todd (1537) | Lost 1-2 | -191569 |
| 6extended | 108 | Thoms, Christopher (1588) | Won 2-1 | +181587 |
| 7extended | 62 | Taulbee, Brad (1657) | Lost 0-2 | -171570 |
| top | average opponent: 1548record: 4-2-1 | new rating: 1570 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Paskewich, Brian (1500) | Won 2-0 | +181518 |
| 2sealed | 97 | David-Marshall, Brian (1544) | Won 2-1 | +181536 |
| 3sealed | 37 | Franco, David (1596) | Lost 0-2 | -161520 |
| 4sealed | 109 | Wilkinson, George (1472) | Won 2-1 | +171537 |
| 5sealed | 50 | Reasoner, Eric (1573) | Lost 0-2 | -181519 |
| 6sealed | 122 | Lerra, Michael (1518) | Lost 0-2 | -181501 |
| 7sealed | 120 | Ng, Eric (1498) | Won 2-0 | +181519 |
| 8sealed | 94 | Earth, Steve (1484) | Won 2-0 | +181537 |
| top | average opponent: 1523record: 5-3 | new rating: 1537 | ||