Barz, Oliver
Current rating: 1603
Record: 40-35
| Grand Prix Birmingham 2019 (modern) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 119 | Gordon, Joshua (1502) | Won 2-1 | +171580 |
| 3modern | 98 | Molder, Petter (1637) | Won 2-1 | +191599 |
| 4modern | 77 | Pan, Jimmy (1747) | Lost 1-2 | -151584 |
| 5modern | 95 | Oveson, Riley (1490) | Lost 1-2 | -201564 |
| 6modern | 184 | Brucker, David (1958) | Won 2-1 | +251589 |
| 7modern | 166 | Purvis, Marc (1560) | Won 2-0 | +171606 |
| 8modern | 84 | Istillarte, Diego (1551) | Won 2-0 | +171623 |
| 9modern | 82 | Kirkman, Kane (1467) | Won 2-0 | +151638 |
| 10modern | 47 | Staples, James (1522) | Lost 0-2 | -201618 |
| 11modern | 65 | Burchett, Autumn (1877) | Lost 1-2 | -131605 |
| 12modern | 58 | [anonymous] | Won 2-1 | +181623 |
| 13modern | 41 | Doogue, Jonathan (1584) | Lost 1-2 | -191604 |
| 14modern | 70 | Van Doesburg, Steven (1597) | Lost 0-2 | -181586 |
| 15modern | 33 | Foster, Peter (1559) | Won 2-0 | +171603 |
| top | average opponent: 1617record: 8-6 | new rating: 1603 | ||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 419 | Suarez Ojeda, Borja (1487) | Won 2-0 | +171552 |
| 2modern | 104 | Navas Marti, Imanol (1517) | Won 2-1 | +171569 |
| 3modern | 65 | Martin, Mikel (1483) | Lost 1-2 | -191550 |
| 4modern | 432 | Elovskikh, Kirill (1492) | Won 2-0 | +171567 |
| 5modern | 294 | Vazque Villares, Jaime (1534) | Lost 1-2 | -191548 |
| 6modern | 330 | Bjerke, Rachel (1409) | Won 2-1 | +161564 |
| 7modern | 208 | Martins, Goncalo (1487) | Won 2-0 | +161580 |
| 8modern | 208 | Guillen Torres, Jaime (1624) | Lost 0-2 | -171563 |
| top | average opponent: 1504record: 5-3 | new rating: 1563 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 923 | Zuckerman, Eyal (1428) | Won 2-1 | +161591 |
| 2sealed | 783 | Ritter, Simon (1722) | Lost 1-2 | -161575 |
| 3sealed | 924 | Carballo Martinez, Daniel (1571) | Lost 1-2 | -181557 |
| 4sealed | 955 | Pajak, Tomasz (1488) | Won 2-0 | +171574 |
| 5sealed | 746 | Kelterbaum, Richard (1359) | Lost 1-2 | -221552 |
| 6sealed | 735 | Wieser, Lukas (1500) | Won 2-0 | +171569 |
| 7sealed | 600 | Alonso Ortiz, Emilio (1677) | Lost 0-2 | -161553 |
| 8sealed | 565 | Beavan, Andrew (1554) | Lost 0-2 | -181535 |
| top | average opponent: 1537record: 3-5 | new rating: 1535 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 611 | Leopold, Jan (1528) | Lost 1-2 | -191565 |
| 2modern | 598 | Klaffenbock, Markus (1485) | Won 2-0 | +171582 |
| 3modern | 637 | Frnka, Roman (1472) | Lost 1-2 | -201562 |
| 4modern | 869 | Palissot, Anthony (1466) | Lost 0-2 | -201542 |
| 5modern | 790 | Benedikt, Andreas (1461) | Won 2-0 | +171559 |
| 6modern | 706 | de Jonge, Rob (1614) | Lost 1-2 | -171542 |
| 7modern | 660 | Aichinger, Dennis (1466) | Won 2-0 | +161558 |
| 8modern | 502 | Wack, Quentin (1504) | Won 2-0 | +171575 |
| top | average opponent: 1499record: 4-4 | new rating: 1575 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Anthony, Ruer (1500) | Won 2-1 | +161616 |
| 2sealed | 6 | Laguerre, Mathieu (1675) | Lost 0-2 | -171599 |
| 3sealed | 425 | Calabrese, Umile (1433) | Won 2-0 | +151614 |
| 4sealed | 406 | Hector, Stephan (1578) | Lost 1-2 | -191595 |
| 5sealed | 553 | Hillemans, Jeroen (1411) | Lost 0-2 | -211574 |
| 6sealed | 523 | Roberts, Katie (1441) | Won 2-0 | +161590 |
| 7sealed | 433 | Ammirata, Salvatore (1441) | Won 2-1 | +151605 |
| 8sealed | 334 | Kronschlager, Martin (1465) | Lost 1-2 | -211584 |
| top | average opponent: 1493record: 4-4 | new rating: 1584 | ||
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Varlese, Emiliano (1484) | Won 2-0 | +181498 |
| 2sealed | 63 | Pritsch, Max (1767) | Won 2-1 | +231521 |
| 3sealed | 172 | Rozza, Luca (1583) | Won 2-1 | +191540 |
| 4sealed | 180 | Berteaux, Vincent (1558) | Lost 0-2 | -181522 |
| 5sealed | 362 | Lejeune, Olivier (1429) | Won 2-1 | +161538 |
| 6sealed | 190 | Maggioni, Jacopo (1548) | Won 2-0 | +191557 |
| 7sealed | 129 | Sarfis, Gabriel (1588) | Won 2-1 | +181575 |
| 8sealed | 77 | Giovannetti, Simone (1806) | Lost 1-2 | -141561 |
| 9sealed | 107 | Han, Hojae (1773) | Lost 1-2 | -141547 |
| 10draft | 234 | Trovo, Francesco (1568) | Won 2-0 | +191566 |
| 11draft | 137 | Velazquez, Jose Luis (1856) | Won 2-1 | +231589 |
| 12draft | 183 | Zulian, Simone (1787) | Won 2-1 | +211610 |
| 13draft | 125 | Badii, Daniele (1637) | Won 2-0 | +191629 |
| 14draft | 201 | Studer, Yannick (1917) | Lost 0-2 | -131616 |
| 15draft | 164 | Reiter, Vincent (1715) | Lost 0-2 | -161600 |
| top | average opponent: 1668record: 10-5 | new rating: 1600 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Nienstedt, Urs (1466) | Lost 0-2 | -181437 |
| 2standard | 310 | Hovgaard Roth, Rasmus (1482) | Lost 1-2 | -171420 |
| 3standard | 538 | Mazza, Raffaele (1588) | Won 2-0 | +211441 |
| 4standard | 494 | Drewes, Steffen (1476) | Won 2-1 | +191460 |
| 5standard | 446 | Izquierdo, Joaquin (1511) | Lost 0-2 | -181442 |
| 6standard | 447 | Ogon, Jonathan (1391) | Won 2-0 | +181460 |
| 7standard | 406 | Eckhard, Linus (1557) | Won 2-1 | +191479 |
| 8standard | 232 | Wasiak, Mateusz (1525) | Lost 1-2 | -171462 |
| 9standard | 295 | Cossu, Andrea (1447) | Won 2-0 | +181480 |
| top | average opponent: 1494record: 5-4 | new rating: 1480 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Grafensteiner, Tobias (1803) | Lost 0-2 | -131487 |
| 2sealed | 670 | Kuhnast, Sebastian (1548) | Lost 0-2 | -171470 |
| 3sealed | 887 | Schweizer, Michael (1597) | Lost 0-2 | -151455 |
| 4sealed | 937 | Antonova, Nadja (1463) | Won 2-0 | +181473 |
| 5sealed | 827 | Kostrzewski, Wiktor (1467) | Lost 0-2 | -181455 |
| top | average opponent: 1576record: 1-4 | new rating: 1455 | ||