Matthews, Lawrence
Current rating: 1525
Record: 27-25
| Grand Prix Birmingham 2017 (modern) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 356 | Vespa, Allen (1397) | Lost 0-2 | -211549 |
| 2modern | 669 | Blacklock, Aaron (1467) | Lost 0-0 | -191530 |
| 3modern | 802 | Sinfield, Ashley (1466) | Won 2-0 | +161546 |
| 4modern | 750 | Poxon, Tyler (1464) | Lost 0-2 | -191527 |
| 5modern | 748 | House, Charlotte (1465) | Won 2-1 | +171544 |
| 6modern | 700 | Rayson, Harry (1485) | Lost 1-2 | -191525 |
| top | average opponent: 1457record: 2-4 | new rating: 1525 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Bergman, Martin (1359) | Won 2-0 | +131651 |
| 2sealed | 136 | Picciafuochi, Riccardo (1472) | Lost 0-2 | -211630 |
| 3sealed | 922 | De La Calle Arroyo, Carlos (1585) | Lost 0-2 | -191611 |
| 4sealed | 850 | Coombes, John (1484) | Lost 0-2 | -201591 |
| 5sealed | 1003 | Whyte, Ailsa (1445) | Lost 0-2 | -211570 |
| top | average opponent: 1469record: 1-4 | new rating: 1570 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 679 | Vaidyanathan, Ashwin (1500) | Lost 0-2 | -201570 |
| 2legacy | 715 | Fesler, Jasper (1481) | Won 2-0 | +161586 |
| 3legacy | 723 | Anderson, Eric (1507) | Won 2-0 | +171603 |
| 4legacy | 464 | Maestad, Eric (1518) | Won 2-1 | +161619 |
| 5legacy | 277 | Duel, Chris (1538) | Won 2-0 | +171636 |
| 6legacy | 77 | Rovegno, Kevin (1578) | Won 2-1 | +171653 |
| 7legacy | 31 | Sarnow, Alexander (1572) | Won 2-0 | +161669 |
| 8legacy | 34 | VanMeter, Chris (1867) | Lost 0-2 | -141655 |
| 9legacy | 164 | Collins, Sean (1720) | Lost 0-2 | -171638 |
| top | average opponent: 1587record: 6-3 | new rating: 1638 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Wolfe, Ellen (1500) | Won 2-1 | +171574 |
| 2standard | 340 | Rousseau, Jack (1576) | Won 2-0 | +181592 |
| 3standard | 86 | GRACE, ANDREW (1535) | Won 2-0 | +171609 |
| 4standard | 44 | Johnson, Cody S (1613) | Won 2-0 | +181627 |
| 5standard | 45 | Stone, Blake (1643) | Won 2-0 | +181645 |
| 6standard | 35 | Tukeman, Sammy (1658) | Lost 0-2 | -181627 |
| 7standard | 52 | Young, Greyson (1572) | Lost 0-2 | -191608 |
| 8standard | 204 | Lohr, Corbin (1563) | Lost 1-2 | -181590 |
| top | average opponent: 1583record: 5-3 | new rating: 1590 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 352 | Rigby, Martin (1530) | Won 2-0 | +181577 |
| 2block | 214 | Elia, Andrew (1518) | Lost 0-2 | -191558 |
| 3block | 538 | Mills, Jake (1500) | Won 2-0 | +171575 |
| 4block | 18 | Caskie, Constance (1517) | Lost 0-2 | -191556 |
| 5block | 493 | Timm, James (1504) | Won 2-0 | +171573 |
| 6block | 313 | Zarges, Florian (1686) | Lost 0-2 | -161557 |
| top | average opponent: 1542record: 3-3 | new rating: 1557 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Nehru, Varunaan (1500) | Won 2-1 | +191485 |
| 2sealed | 417 | Patel, Kayure (1516) | Lost 0-2 | -181467 |
| 3sealed | 467 | Lastad, Trond Age (1507) | Won 2-0 | +191486 |
| 4sealed | 299 | Gyhagen, Mikael (1523) | Won 2-1 | +191505 |
| 5sealed | 235 | Hatto, Steve (1601) | Lost 0-2 | -171488 |
| 6sealed | 364 | Anneback, Fredrik (1519) | Won 2-1 | +191507 |
| 7sealed | 411 | Exler, Lukas (1445) | Won 2-1 | +171524 |
| 8sealed | 293 | Hagelberg, Maximilian (1658) | Won 2-1 | +201544 |
| 9sealed | 152 | Watsfeldt, Elias (1825) | Won 2-1 | +231567 |
| 10sealed | 57 | Rigby, Neil (1800) | Won 2-1 | +221589 |
| 11draft | 23 | Frage, Damien (1627) | Lost 0-2 | -171572 |
| 12draft | 90 | Rivera Boris, Miguel (1600) | Won 2-0 | +191591 |
| 13draft | 97 | Costa, Nuno (1852) | Lost 0-2 | -141577 |
| 14draft | 114 | Montuelle, Guy (1589) | Lost 0-2 | -181559 |
| top | average opponent: 1612record: 9-5 | new rating: 1559 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Forrestal, Tom (1500) | Won 2-1 | +181518 |
| 2sealed | 99 | Huang, Jan (1661) | Lost 0-2 | -151503 |
| 3sealed | 163 | Photiou, Andreas (1420) | Lost 0-2 | -201483 |
| 4sealed | 222 | Bresland, Noel (1537) | Lost 1-2 | -171466 |
| top | average opponent: 1529record: 1-3 | new rating: 1466 | ||