Gruss, Andreas
Current rating: 1486
Record: 27-27-3
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Sekac, Igor (1462) | Lost 0-2 | -191467 |
| 2sealed | 171 | Mark, Cole (1482) | Lost 0-2 | -181449 |
| 3sealed | 186 | Schulze, Danny (1464) | Won 2-1 | +191468 |
| 4sealed | 160 | Stuwe, Matthias (1480) | Won 2-0 | +181486 |
| top | average opponent: 1472record: 2-2 | new rating: 1486 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 249 | Ohlmann, Daniel (1470) | Draw 1-1 | -21546 |
| 2sealed | 261 | Clarizia, Marco (1499) | Lost 0-2 | -191527 |
| 3sealed | 383 | Beck, Michael [DEU] (1481) | Won 2-0 | +181545 |
| 4sealed | 323 | Traviglia, Jacopo (1449) | Lost 0-2 | -201525 |
| 5sealed | 343 | Reindl, Roland (1431) | Lost 0-2 | -201505 |
| 6sealed | 316 | Volk, Jorg (1419) | Lost 0-2 | -191486 |
| top | average opponent: 1458record: 1-4-1 | new rating: 1486 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Fajmon, Milan (1500) | Lost 1-2 | -181510 |
| 2sealed | 255 | Berka, Martin (1449) | Won 2-0 | +171527 |
| 3sealed | 287 | Bruha, Tomas (1500) | Won 2-1 | +171544 |
| 4sealed | 126 | Wenkemann, Dirk (1463) | Won 2-1 | +171561 |
| 5sealed | 128 | Mello, Patrick (1891) | Draw 1-1 | +51566 |
| 6sealed | 113 | Stivoli, Federico (1513) | Won 2-0 | +171583 |
| 7sealed | 67 | Meyer, Rudy (1629) | Lost 0-2 | -171566 |
| 8sealed | 112 | Czaykowski, Kamil (1535) | Lost 0-2 | -181548 |
| top | average opponent: 1560record: 4-3-1 | new rating: 1548 | ||
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Blomqvist, Niklas (1427) | Won 2-1 | +161543 |
| 2sealed | 115 | Blumke, Alexander (1575) | Lost 1-2 | -171526 |
| 3sealed | 171 | Kohl, Reinhold (1571) | Won 2-0 | +181544 |
| 4sealed | 135 | Meier, Arndt (1670) | Lost 1-2 | -151529 |
| 5sealed | 132 | Larsen, Niels Verner (1518) | Won 2-1 | +181547 |
| 6sealed | 125 | van den Hanenberg, Frank (1668) | Lost 0-2 | -161531 |
| 7sealed | 111 | Hagu, Veljo (1437) | Won 2-0 | +161547 |
| 8sealed | 82 | Roos, Maarten (1503) | Lost 1-2 | -191528 |
| top | average opponent: 1546record: 4-4 | new rating: 1528 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 196 | Tietze, Sascha (1500) | Won 2-0 | +171565 |
| 2block | 53 | Rottger, Daniel (1501) | Lost 1-2 | -191546 |
| 3block | 165 | Klier, Torben (1501) | Lost 0-2 | -191527 |
| top | average opponent: 1501record: 1-2 | new rating: 1527 | ||
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Heim, Tobias (1500) | Won 2-0 | +171532 |
| 2sealed | 138 | Schraut, Andreas (1563) | Lost 1-2 | -171515 |
| 3sealed | 226 | Hanig, Christian (1500) | Lost 0-2 | -181497 |
| 4sealed | 290 | Schwager, Shaya (1449) | Won 2-0 | +171514 |
| 5sealed | 271 | Schmitz, Alexander (1470) | Lost 0-2 | -191495 |
| 6sealed | 248 | Caminada, Julien (1483) | Won 2-1 | +181513 |
| 7sealed | 156 | Sundberg, Sam (1461) | Won 2-1 | +171530 |
| 8sealed | 121 | Nickel, Ron (1520) | Won 2-1 | +181548 |
| top | average opponent: 1493record: 5-3 | new rating: 1548 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Suveges, Andras (1411) | Lost 0-2 | -201496 |
| 2sealed | 301 | Terbuyken, Hanno (1481) | Won 2-1 | +181514 |
| 3sealed | 213 | Kittl, Patrik (1523) | Won 2-0 | +181532 |
| 4sealed | 158 | Sohler, Christian (1539) | Lost 1-2 | -181514 |
| 5sealed | 149 | Zombori, Csaba (1501) | Won 2-0 | +181532 |
| 6sealed | 146 | Plachy, Robert (1566) | Lost 0-2 | -171515 |
| 7sealed | 137 | Lombardi, Marco (1527) | Won 2-1 | +181533 |
| 8sealed | 111 | Klimecki, Adam (1512) | Lost 0-2 | -181515 |
| top | average opponent: 1508record: 4-4 | new rating: 1515 | ||
| Grand Prix Manchester 2000 (INV limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 27 | Haigh, Julian (1446) | Lost 0-2 | -201518 |
| 3sealed | 81 | Viggosson, Gudmundur Jon (1500) | Lost 1-2 | -181500 |
| 4sealed | 99 | Bostock, Robert (1482) | Draw 1-1 | 01500 |
| 5sealed | 91 | Hannesschlager, Patrick (1482) | Won 2-1 | +171517 |
| 6sealed | 80 | Bowne, David (1502) | Won 2-0 | +181535 |
| 7sealed | 57 | Gower, Paul (1502) | Lost 0-2 | -191516 |
| top | average opponent: 1486record: 2-3-1 | new rating: 1516 | ||
| Grand Prix Copenhagen 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 77 | Winter, Joost (1500) | Lost 0-2 | -181482 |
| 3sealed | 107 | Schoch, Marc (1499) | Lost 0-2 | -181464 |
| 4sealed | 156 | Dachrodt, Thorsten (1483) | Won 2-0 | +191483 |
| 5sealed | 102 | Possemiers, Ben (1481) | Won 2-1 | +181501 |
| 6sealed | 85 | Hendriksen, Peter (1550) | Won 2-0 | +191520 |
| 7sealed | 45 | Paunku, Aurelijan (1540) | Won 2-1 | +181538 |
| top | average opponent: 1509record: 4-2 | new rating: 1538 | ||