Mansfield, Walter
Current rating: 1696
Record: 26-15-1
| Grand Prix London 2016 (KLD limited) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 96 | Ben Abu, Ariel (1466) | Won 2-0 | +151638 |
| 2sealed | 178 | Dimitriu, Alexandru-Nicolae (1781) | Lost 1-2 | -151623 |
| 3sealed | 778 | Hostettler, Maurice (1500) | Won 2-1 | +161639 |
| 4sealed | 488 | Brown, Gareth (1538) | Won 2-1 | +161655 |
| 5sealed | 328 | Leggett, Martyn (1512) | Won 2-1 | +151670 |
| 6sealed | 98 | Swinfield, Philip (1475) | Lost 0-2 | -211649 |
| 7sealed | 406 | Rowan, Ellis (1537) | Won 2-0 | +161665 |
| 8sealed | 160 | Murison-Bowie, Jasper (1586) | Won 2-1 | +161681 |
| 9sealed | 101 | Boucek, Jaroslav (1970) | Lost 1-2 | -131668 |
| 10draft | 280 | Dutton, Josh (1565) | Lost 0-2 | -201648 |
| 11draft | 341 | McElroy, John (1599) | Won 2-1 | +181666 |
| 12draft | 340 | Zmyslowski, Piotr (1560) | Won 2-0 | +161682 |
| 13draft | 224 | Braunstein, Mikkel (1548) | Won 2-1 | +151697 |
| 14draft | 106 | Leahy, George (1633) | Won 2-0 | +171714 |
| 15draft | 201 | Eggersgluss, Jarno (1702) | Lost 0-2 | -181696 |
| top | average opponent: 1598record: 10-5 | new rating: 1696 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 467 | Cohen, Matthew R (1500) | Won 2-1 | +171549 |
| 2standard | 679 | Blieck, Benny (1502) | Lost 1-2 | -181531 |
| 3standard | 957 | Bouchier, Simon A (1500) | Won 2-1 | +171548 |
| 4standard | 840 | Chamorro Serrano, Manuel (1494) | Won 2-0 | +171565 |
| 5standard | 714 | Dudley, Kurt (1534) | Won 2-0 | +171582 |
| 6standard | 645 | Hall, William (1602) | Won 2-0 | +191601 |
| 7standard | 467 | Savonitto, Michel (1615) | Won 2-1 | +181619 |
| 8standard | 442 | Dunn, Jack (1597) | Won 2-1 | +181637 |
| 9standard | 274 | Brorsson, Harald (1612) | Lost 1-2 | -191618 |
| 10standard | 100 | Aerthoj, Hans Martin (1726) | Lost 0-2 | -161602 |
| 11standard | 115 | Black, Chris [ENG] (1600) | Lost 0-2 | -181584 |
| 12standard | 113 | Bruni, Matteo (1716) | Lost 1-2 | -161568 |
| 13standard | 20 | Walters, Katie (1544) | Won 2-0 | +181586 |
| 14standard | 98 | Edstroem, Jonas (1608) | Won 2-0 | +181604 |
| 15standard | 92 | Faustyn, Maciej (1637) | Won 2-1 | +191623 |
| top | average opponent: 1586record: 10-5 | new rating: 1623 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 339 | Pascoe, Ross (1500) | Draw 1-1 | +11465 |
| 2sealed | 443 | Wang, Yucheng (1499) | Won 2-1 | +191484 |
| 3sealed | 351 | Barton, Steven (1500) | Won 2-0 | +181502 |
| 4sealed | 185 | Ruiz, Natalia (1457) | Lost 1-2 | -191483 |
| 5sealed | 367 | McLellan, Scott (1533) | Won 2-1 | +191502 |
| 6sealed | 230 | Hobin, Kathryn (1535) | Won 2-1 | +191521 |
| 7sealed | 135 | Bohny, Nico (2057) | Won 2-0 | +261547 |
| 8sealed | 86 | Hasnes, Oystein (1686) | Lost 0-2 | -151532 |
| top | average opponent: 1596record: 5-2-1 | new rating: 1532 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 319 | Mcintyre, Kirsty (1500) | Lost 1-2 | -181482 |
| 2block | 403 | Bennett, Stephen (1483) | Lost 0-2 | -181464 |
| 3block | 634 | Scott, David A [SCO] (1464) | Won 2-0 | +181482 |
| 4block | 499 | Rybowski, Steve (1496) | Lost 0-2 | -181464 |
| top | average opponent: 1486record: 1-3 | new rating: 1464 | ||