Gruia, David
Current rating: 1624
Record: 34-24-2
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1689 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 235 | Boden, Svenja (1500) | Lost 1-2 | -221667 |
| 2standard | 392 | Tennivaara, Sabina (1468) | Lost 1-2 | -211646 |
| 3standard | 637 | Huizinga, Sander (1431) | Lost 0-2 | -221624 |
| top | average opponent: 1466record: 0-3 | new rating: 1624 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1700 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 76 | Luff, Andre (1693) | Won 0-0 | +181718 |
| 4legacy | 108 | Kronberger, Niklas (1701) | Won 2-1 | +171735 |
| 5legacy | 77 | Hoffmann, Mederic (1639) | Lost 0-2 | -191716 |
| 6legacy | 178 | Panchartek, Zbysek (1537) | Lost 0-2 | -221694 |
| 7legacy | 163 | Del Valle, Alex (1563) | Won 2-0 | +161710 |
| 8legacy | 110 | Broinger, Francis (1521) | Lost 1-2 | -211689 |
| top | average opponent: 1609record: 3-3 | new rating: 1689 | ||
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1649 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 207 | Bergonzoni, Luca (1757) | Lost 0-2 | -161633 |
| 3standard | 356 | Battistella, Mattia (1500) | Won 2-0 | +151648 |
| 4standard | 380 | Pinet, Vincent (1522) | Won 2-0 | +161664 |
| 5standard | 228 | Magaraggia, Davide (1541) | Won 2-1 | +161680 |
| 6standard | 116 | Vodopyanov, Igor (1546) | Lost 0-2 | -211659 |
| 7standard | 151 | Incastrone, Sebastiano (1520) | Won 2-1 | +161675 |
| 8standard | 100 | Venturi, Matteo (1549) | Won 2-0 | +151690 |
| 9standard | 125 | Koukoulas, Stathis (1528) | Won 2-1 | +161706 |
| 10standard | 65 | Strobach, Patrick (1587) | Won 2-0 | +151721 |
| 11standard | 20 | Rinnen, Davide (1710) | Lost 0-2 | -181703 |
| 12standard | 71 | Frantuma, Marco (1864) | Won 2-0 | +211724 |
| 13standard | 50 | Schemeil, Stefano (1554) | Won 2-0 | +151739 |
| 14standard | 33 | Dolazza, Marco (1660) | Lost 1-2 | -191720 |
| 15standard | 40 | Porseo, Alessandro (1626) | Lost 0-2 | -201700 |
| top | average opponent: 1605record: 9-5 | new rating: 1700 | ||
| Grand Prix Bilbao 2013 (modern) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 196 | sanchez, fabio (1500) | Won 2-1 | +161626 |
| 2modern | 122 | Toston Amezaga, Inigo (1508) | Lost 0-2 | -201606 |
| 3modern | 232 | Prodhomme, Patrick (1341) | Won 2-0 | +131619 |
| 4modern | 169 | Gil Arenos, Manel (1518) | Won 2-0 | +161635 |
| 5modern | 129 | Garcia, Rafael [ESP] (1514) | Won 2-0 | +161651 |
| 6modern | 142 | Skorolupov, Nikolai (1615) | Won 2-0 | +171668 |
| 7modern | 83 | Gerrikagoitia, Keldor (1655) | Won 2-0 | +181686 |
| 8modern | 16 | Angel Ortega, Jose Mar (1598) | Lost 1-2 | -201666 |
| 9modern | 65 | Reboiro Jato, David (1683) | Lost 1-2 | -171649 |
| top | average opponent: 1548record: 6-3 | new rating: 1649 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 581 | Peter, Manuel (1604) | Lost 0-2 | -181592 |
| 3standard | 812 | Volkaerts, Bram (1698) | Won 2-0 | +201612 |
| 4standard | 669 | Considine, John (1507) | Draw 1-1 | -21610 |
| 5standard | 684 | Wels, Tobias (1628) | Won 2-0 | +181628 |
| 6standard | 620 | Schmidt, Thomas (1591) | Lost 0-2 | -181610 |
| top | average opponent: 1606record: 2-2-1 | new rating: 1610 | ||
| Grand Prix Turin 2012 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 2 | Barletta, Antonino (1517) | Won 2-1 | +181534 |
| 3modern | 11 | Mariotti, Francesco (1503) | Lost 1-2 | -191515 |
| 4modern | 119 | Miracca, Alessandro (1442) | Lost 0-2 | -191496 |
| 5modern | 181 | Brouty, Fabien (1498) | Won 2-1 | +181514 |
| 6modern | 143 | Rizzi, Giuseppe (1494) | Won 2-0 | +181532 |
| 7modern | 81 | Bergamo, Francesco (1533) | Won 2-1 | +181550 |
| 8modern | 91 | Valkeneers, Tom (1800) | Won 2-1 | +221572 |
| 9modern | 56 | Penko, Matic (1651) | Won 2-0 | +201592 |
| 10modern | 35 | Bondar, Igor A (1591) | Draw 1-1 | 01592 |
| 11modern | 58 | Terrier, Lucas (1634) | Won 2-0 | +181610 |
| 12modern | 34 | Rossi, Christian (1574) | Won 2-0 | +181628 |
| 13modern | 22 | Teppa, Michaele (1538) | Won 1-0 | +161644 |
| 14modern | 13 | Oliveros, Carlos (1756) | Lost 0-2 | -161628 |
| 15modern | 26 | Robin, Yann (1631) | Lost 0-2 | -181610 |
| top | average opponent: 1583record: 9-4-1 | new rating: 1610 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 647 | Martinache, Jeremy (1500) | Won 2-1 | +181518 |
| 2standard | 588 | de Beer, Theun (1504) | Won 2-1 | +181536 |
| 3standard | 603 | Kelterbaum, Morgane (1453) | Lost 1-2 | -201516 |
| 4standard | 688 | Petrushchenko, Sergey (1532) | Won 2-0 | +191535 |
| 5standard | 669 | Gutierrez Gallego, Jose Francisco (1591) | Lost 0-2 | -171518 |
| 6standard | 647 | Hanke, Dustin (1492) | Lost 1-2 | -191499 |
| 7standard | 723 | Marie-liesse, Perez (1495) | Won 2-1 | +181517 |
| 8standard | 681 | Thorpe, Nicholas (1442) | Won 2-0 | +171534 |
| 9standard | 619 | Tabaka, Korneliusz (1546) | Lost 1-2 | -181516 |
| top | average opponent: 1506record: 5-4 | new rating: 1516 | ||