Holtzberg, Julius
Current rating: 1527
Record: 18-17-1
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 81 | Clark, Charlie R (1500) | Won 2-0 | +181524 |
| 2legacy | 107 | Kagge, Frode (1505) | Lost 1-2 | -181506 |
| 3legacy | 173 | Slavek, Kubar (1502) | Won 2-1 | +181524 |
| 4legacy | 267 | Le Briand, Loic (1825) | Lost 0-2 | -131511 |
| 5legacy | 251 | Van Volsem, Geert (1485) | Lost 0-2 | -191492 |
| 6legacy | 309 | Gherbezza, Romain (1485) | Lost 1-2 | -181474 |
| 7legacy | 292 | Pyzio, Radoslaw (1416) | Won 2-0 | +171491 |
| 8legacy | 221 | Moenkemoeller, Marc (1484) | Won 2-1 | +181509 |
| 9legacy | 161 | Sterkendries, Stan (1506) | Won 2-0 | +181527 |
| top | average opponent: 1523record: 5-4 | new rating: 1527 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Bettinazzi, Marta (1500) | Lost 0-2 | -181466 |
| 2sealed | 336 | Carpentier, Jerome (1481) | Won 2-1 | +181484 |
| 3sealed | 164 | Dalessandro, Tommaso (1500) | Lost 0-2 | -181466 |
| 4sealed | 329 | Clark, Scott (1481) | Won 2-0 | +191485 |
| 5sealed | 278 | Grechishkin, Vitaly (1519) | Won 2-1 | +181503 |
| 6sealed | 176 | Ciocchetti, Matteo (1518) | Won 2-1 | +191522 |
| 7sealed | 145 | Silva, Andre (1487) | Won 2-1 | +171539 |
| 8sealed | 110 | Tuduri, Ricard (1580) | Lost 1-2 | -171522 |
| 9sealed | 94 | Heigerer, Stefan (1650) | Lost 0-2 | -161506 |
| top | average opponent: 1524record: 5-4 | new rating: 1506 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 504 | Maricak, Alen (1447) | Lost 0-2 | -201524 |
| 2sealed | 728 | Collin, Thorsten (1470) | Won 2-1 | +171541 |
| 3sealed | 686 | Esser, Florian (1536) | Lost 1-2 | -181523 |
| 4sealed | 725 | Matys, Ondrej (1483) | Lost 0-2 | -191504 |
| 5sealed | 730 | Puczka, Filip (1464) | Won 2-0 | +171521 |
| 6sealed | 674 | Lukaszyk, Tomasz (1615) | Lost 0-2 | -161505 |
| 7sealed | 664 | Pribyl, Bohuslav (1471) | Won 2-1 | +181523 |
| 8sealed | 624 | Blaszczak, Rafal (1488) | Lost 1-2 | -191504 |
| 9sealed | 604 | Hajek, Tomas (1376) | Lost 1-2 | -201484 |
| top | average opponent: 1483record: 3-6 | new rating: 1484 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Geerlings, Hein (1458) | Won 2-0 | +171517 |
| 2sealed | 43 | Pletzer-Zelgert, Jonathan (1519) | Draw 1-1 | 01517 |
| 3sealed | 141 | Filatriau, Franck (1618) | Won 2-1 | +201537 |
| 4sealed | 119 | Germesin, Moritz (1583) | Lost 0-2 | -171520 |
| 5sealed | 187 | Scherpenzeel, Dennis (1523) | Lost 0-2 | -181502 |
| 6sealed | 241 | Prost, Sebastian (1654) | Won 2-0 | +211523 |
| 7sealed | 173 | Gilis, Lucas (1579) | Won 2-1 | +191542 |
| 8sealed | 120 | Stefan, Jan (1657) | Lost 0-2 | -161526 |
| 9sealed | 97 | Leber, Denis (1522) | Won 2-1 | +181544 |
| top | average opponent: 1568record: 5-3-1 | new rating: 1544 | ||