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Calderbank, Mark
Current rating: 1565

Grand Prix London 2018 (RIX limited) starting rating: 1616
round table opponent (rating) result Δrating
1sealed 374 Grebenisan, Mihai (1488) Lost 0-2 -201596
2sealed 529 Bounkeu Safo, Ramses (1483) Lost 1-2 -201576
3sealed 919 Easey, Fred (1470) Lost 0-2 -201556
4sealed 916 Davis, Alan (1320) Won 2-0 +131569
5sealed 813 Taraska, Michal (1463) Won 2-0 +161585
6sealed 629 van Montfoort, Kees (1559) Won 2-1 +181603
7sealed 545 Guignabert, Florent (1509) Lost 0-2 -201583
8sealed 490 Hauchard, Francois (1579) Lost 1-2 -181565
top average opponent: 1484record: 3-5 new rating: 1565

Grand Prix Liverpool 2017 (XLN limited) starting rating: 1675
round table opponent (rating) result Δrating
1sealed 366 Van Der Heide, Stijn Wieger (1446) Won 2-0 +141689
2sealed 70 Musmacher, Thomas (1716) Won 2-1 +181707
3sealed 232 McDonnell, Finn (1616) Lost 0-2 -191688
4sealed 237 Duarte, Tiago Rafael (1371) Lost 0-2 -241664
5sealed 378 McIntosh, Stephen (1496) Won 2-0 +151679
6sealed 339 Solberg, Erik (1519) Lost 0-2 -211658
7sealed 337 Knap, Cestmir (1405) Lost 1-2 -231635
8sealed 349 Heath, Joel (1551) Lost 1-2 -191616
top average opponent: 1515record: 3-5 new rating: 1616

Grand Prix London 2016 (KLD limited) starting rating: 1589
round table opponent (rating) result Δrating
1sealed 807 Kennis, Arnout (1500) Lost 1-2 -191570
2sealed 642 Whyte, Ailsa (1461) Won 2-1 +161586
3sealed 652 Setterfield, Stephen (1455) Won 2-0 +151601
4sealed 636 Titmarsh, Ben (1517) Lost 0-2 -191582
5sealed 799 Ortega Montero, Andres (1402) Won 2-1 +151597
6sealed 477 Collinet, Patrick (1657) Won 2-0 +191616
7sealed 218 Ahlstrom, Christian (1760) Lost 0-2 -161600
8sealed 650 Dimitriu, Alexandru-Nicolae (1754) Won 2-0 +211621
9sealed 314 Kowalski, Grzegorz (1970) Won 2-1 +241645
10draft 319 Villis, Matt (1529) Won 2-1 +161661
11draft 85 Djogouros, Michalis (1575) Lost 1-2 -191642
12draft 214 Bjerreskov, Jess (1505) Won 2-1 +151657
13draft 266 Jassi, Jaron (1589) Won 2-0 +171674
14draft 221 Latorre, Ivan (1724) Lost 1-2 -171657
15draft 202 Buis, Anne (1661) Won 2-0 +181675
top average opponent: 1604record: 10-5 new rating: 1675

Grand Prix Brighton 2009 (M10 limited) starting rating: 1536
round table opponent (rating) result Δrating
1sealed 130 Landl, Michael (1371) Won 2-1 +151551
2sealed 27 Koller, Tobias (1828) Lost 0-2 -131538
3sealed 262 Andersen, Emil (1511) Lost 1-2 -181520
4sealed 328 Koers, Kenta (1520) Won 2-0 +181538
5sealed 219 Chambers, Max W (1505) Won 2-0 +171555
6sealed 212 McGregor, Martin (1486) Lost 1-2 -191536
7sealed 181 Bastien, Souche (1502) Won 2-0 +171553
8sealed 153 Raffaelli, Tommaso (1520) Won 2-0 +181571
9sealed 113 Preiss, Christian (1604) Won 2-1 +181589
top average opponent: 1538record: 6-3 new rating: 1589

Grand Prix Birmingham 2008 (Lorwyn block) starting rating: 1500
round table opponent (rating) result Δrating
1block 134 Fullelove, Matthew (1500) Won 2-1 +181518
2block 128 Mavir, Jamie (1518) Won 2-0 +181536
3block 39 Fitzgerald, Sean M (1447) Lost 0-2 -201516
4block 172 Scheubert, Lena (1557) Lost 1-2 -171499
5block 135 Krejsa, Tomas (1633) Won 2-0 +211520
6block 109 Coenen, Peter (1489) Lost 0-0 -191501
7block 163 Guiret, Jean-francois (1499) Won 2-0 +181519
8block 108 Chojnacki, Szymon (1489) Won 2-0 +171536
top average opponent: 1516record: 5-3 new rating: 1536