Dubosarsky, Dover
Current rating: 1694
Record: 43-31-3
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 549 | Meraghni, Farid (1771) | Won 2-1 | +191683 |
| 2sealed | 389 | Thiele, Daniel (1480) | Won 2-1 | +151698 |
| 3sealed | 266 | De Pontbriand, Amaury (1471) | Won 2-0 | +141712 |
| 4sealed | 17 | Rosada, Adrian (2000) | Won 2-1 | +231735 |
| 5sealed | 53 | Lange, Oliver (1460) | Won 2-0 | +131748 |
| 6sealed | 8 | Lebon, Tristan (2050) | Won 2-0 | +231771 |
| 7sealed | 3 | Alden, Jens (1583) | Lost 1-2 | -211750 |
| 8sealed | 39 | Nielsen, Simon (2107) | Lost 0-2 | -121738 |
| 9sealed | 297 | Widmer, Basil (1583) | Won 2-1 | +151753 |
| 10draft | 46 | van de Veen, Steffen (1804) | Lost 1-2 | -171736 |
| 11draft | 67 | Brade, Raphael (1800) | Won 2-0 | +191755 |
| 12draft | 94 | Dreimanis, Gints (1782) | Lost 0-2 | -171738 |
| 13draft | 73 | Sanders, Dominic (1719) | Draw 1-1 | 01738 |
| 14draft | 89 | Rot, Thomas (1512) | Lost 0-2 | -221716 |
| 15draft | 81 | Platz, Jens (1530) | Lost 0-2 | -221694 |
| top | average opponent: 1710record: 8-6-1 | new rating: 1694 | ||
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Gjervaag Gjertsen, Hans Kristian (1480) | Won 2-0 | +181528 |
| 2sealed | 44 | La Placa, Andrea (1589) | Lost 1-2 | -171511 |
| 3sealed | 415 | Bayer, Mathias (1387) | Won 2-0 | +161527 |
| 4sealed | 377 | Proell, Markus (1397) | Won 2-1 | +151542 |
| 5sealed | 214 | Ebert, Felix (1487) | Won 2-0 | +171559 |
| 6sealed | 49 | Giacomelli, Franco (1488) | Won 2-0 | +171576 |
| 7sealed | 26 | Wiegersma, Jelger (1884) | Won 2-1 | +241600 |
| 8sealed | 38 | Martin, Larry (1586) | Won 2-1 | +171617 |
| 9sealed | 12 | Weidemann, Felix (1862) | Lost 1-2 | -131604 |
| 10draft | 124 | Ljungberg, Jonas (1714) | Lost 0-0 | -161588 |
| 11draft | 105 | Larsson, Mikael (1561) | Won 2-0 | +171605 |
| 12draft | 115 | Greir, Simon (1760) | Won 2-0 | +211626 |
| 13draft | 42 | Ljungberg, Jonas (1734) | Won 2-1 | +201646 |
| 14draft | 60 | Griebel, Joel (1620) | Won 2-1 | +181664 |
| top | average opponent: 1611record: 11-3 | new rating: 1664 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 65 | Neal, Richard (1707) | Draw 1-1 | +31563 |
| A2sealed | 186 | Bellvert Giner, Victor (1443) | Lost 1-2 | -201543 |
| B1sealed | 1111 | Berger, Natalia (1689) | Lost 0-2 | -151528 |
| B2sealed | 1145 | Jones, Sam (1477) | Won 2-0 | +171545 |
| B3sealed | 986 | Vialatte, Jean-Charles (1509) | Won 2-1 | +171562 |
| B4sealed | 987 | Campajola, Carlo (1455) | Lost 1-2 | -201542 |
| C1sealed | 280 | Bornelov, Susanne (1736) | Won 2-1 | +221564 |
| C2sealed | 189 | Giovannetti, Simone (1709) | Lost 1-2 | -161548 |
| C3sealed | 144 | Scherl, Mathias (1497) | Lost 1-2 | -191529 |
| C4sealed | 261 | Westby, James (1489) | Lost 0-2 | -191510 |
| top | average opponent: 1571record: 3-6-1 | new rating: 1510 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1018 | D'Alterio, Emanuele (1497) | Lost 1-2 | -201597 |
| 2sealed | 408 | Lee, Wen Jie (1630) | Lost 0-2 | -171580 |
| 3sealed | 1181 | Lera Matellanes, Roberto (1504) | Lost 0-2 | -201560 |
| top | average opponent: 1544record: 0-3 | new rating: 1560 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 440 | Broxup, Ross (1460) | Draw 1-1 | -31594 |
| 2sealed | 438 | Williams, Dewayne (1484) | Lost 1-2 | -201574 |
| 3sealed | 816 | Dumur, Alexandre (1503) | Won 2-0 | +171591 |
| 4sealed | 677 | Jeanroch, Arnaud (1485) | Won 2-0 | +161607 |
| 5sealed | 463 | Tranchini, Luigi (1490) | Won 2-0 | +161623 |
| 6sealed | 305 | Baron, Jake (1609) | Won 2-1 | +171640 |
| 7sealed | 188 | Lhomme, Steeve (1352) | Lost 1-2 | -231617 |
| top | average opponent: 1483record: 4-2-1 | new rating: 1617 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 235 | Kazantzis, Michael (1533) | Won 2-0 | +161657 |
| 2sealed | 52 | Mihic, Sava (1737) | Lost 0-2 | -161641 |
| 3sealed | 863 | Kyrie, Valerie (1508) | Lost 1-2 | -211620 |
| 4sealed | 372 | McErlain, Troy (1451) | Lost 0-2 | -211599 |
| 5sealed | 431 | Hackett, Nicholas (1463) | Won 2-0 | +161615 |
| 6sealed | 351 | Goldsmith, Dylan (1599) | Lost 0-2 | -181597 |
| top | average opponent: 1548record: 2-4 | new rating: 1597 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 347 | Lau, Aaron (1500) | Won 2-0 | +161650 |
| 2sealed | 146 | Caraher, Stephen (1489) | Won 2-1 | +151665 |
| 3sealed | 3 | Barrett, Riordan (1536) | Won 2-1 | +161681 |
| 4sealed | 60 | Edwards, Robin (1739) | Lost 0-2 | -171664 |
| 5sealed | 117 | Szwed, Daniel (1546) | Won 2-1 | +161680 |
| 6sealed | 90 | Nguyen, Tuan (1675) | Lost 0-2 | -181662 |
| 7sealed | 124 | Wagner, Roydon (1536) | Lost 0-2 | -211641 |
| top | average opponent: 1574record: 4-3 | new rating: 1641 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Maitland, Jeremy (1446) | Won 2-0 | +171517 |
| 2sealed | 67 | Henshall, Shane (1500) | Won 2-0 | +181535 |
| 3sealed | 131 | Siagian, Yohannes (1517) | Won 2-1 | +171552 |
| 4sealed | 51 | Sha, Chris (1506) | Lost 1-2 | -181534 |
| 5sealed | 50 | Martinelli, Tony C (1504) | Won 2-0 | +171551 |
| 6sealed | 62 | Hawkins, Daniel (1622) | Won 2-0 | +191570 |
| 7sealed | 26 | Sanders, Patrick (1495) | Won 2-1 | +171587 |
| 8sealed | 11 | Ho, Keene (1619) | Won 2-0 | +191606 |
| 9sealed | 14 | Mulcahy, Luke (1863) | Lost 1-2 | -141592 |
| 10draft | 38 | Savige, William (1539) | Won 2-0 | +171609 |
| 11draft | 13 | Botkov, Max (1776) | Lost 0-2 | -151594 |
| 12draft | 25 | Pointon, Pierre Clemen (1601) | Won 2-1 | +181612 |
| 13draft | 35 | Matthews, Tony (1611) | Won 2-0 | +181630 |
| 14draft | 38 | Zhong, Alex (1644) | Won 2-0 | +181648 |
| 15draft | 10 | Anderson, Matthew [AUS] (1872) | Lost 1-2 | -141634 |
| top | average opponent: 1608record: 11-4 | new rating: 1634 | ||