Lorenz, Jan
Current rating: 1533
Record: 14-11-1 (GP) / 7-11 (professional)
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 69 | Bauche, Marcel (1573) | Lost 1-2 | -171522 |
| 2sealed | 286 | Eucken, Christopher (1130) | Won 2-0 | +111533 |
| top | average opponent: 1351record: 1-1 | new rating: 1533 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 138 | Van Der Sloot, David (1514) | Won 2-1 | +171577 |
| 3standard | 87 | Merlet, Cedric (1516) | Lost 0-2 | -191558 |
| 4standard | 210 | Michel, Justin (1513) | Lost 1-2 | -191539 |
| top | average opponent: 1514record: 1-2 | new rating: 1539 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 401 | Woodham, Christina (1518) | Won 2-0 | +181503 |
| 3sealed | 468 | Stelder, Sacha (1534) | Lost 1-2 | -171486 |
| 4sealed | 432 | Noe, Benjamin (1713) | Lost 0-2 | -141472 |
| 5sealed | 597 | Oorthuis, Wouter (1499) | Won 2-0 | +181490 |
| 6sealed | 536 | Ruiterkamp, Gerwin (1606) | Won 2-0 | +201510 |
| 7sealed | 487 | Marciniszyn, Michal (1655) | Won 2-1 | +211531 |
| 8sealed | 468 | Grandjean, Gilles (1627) | Won 2-0 | +201551 |
| 9sealed | 450 | Bode, Roland (1844) | Won 2-1 | +231574 |
| 11draft | 52 | Lindroos, Jani (1577) | Lost 1-2 | -181556 |
| 12draft | 23 | Andersen, Rune Martens (1634) | Lost 0-2 | -171539 |
| 13draft | 66 | Picciafuochi, Riccardo (1605) | Won 2-0 | +201559 |
| 14draft | 30 | Thomson, Nicholas R (1542) | Won 2-1 | +171576 |
| 15draft | 14 | Brueggemann, Julian (1649) | Lost 1-2 | -161560 |
| top | average opponent: 1616record: 8-5 | new rating: 1560 | ||
| 2008 World Championship (mixed) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 132 | Gurney, Michael (1794) | Won 2-0 | +231543 |
| 2standard | 42 | Mueller, Andre (1783) | Lost 0-2 | -141529 |
| 3standard | 46 | Su, Xu (1635) | Lost 1-2 | -161513 |
| 4standard | 125 | Mize, Logan (1607) | Lost 1-2 | -161497 |
| 5standard | 126 | Elez, Goran (1510) | Won 2-0 | +181515 |
| 6standard | 106 | Norgaard, Lasse (1904) | Lost 0-2 | -111504 |
| 7draft | 41 | Kim, Cynic (1733) | Lost 0-2 | -141490 |
| 8draft | 39 | Vargas, Antonio A (1459) | Lost 0-2 | -191471 |
| 9draft | 79 | Papatsarouchas, Evangelos (1633) | Won 2-0 | +211492 |
| 10draft | 110 | Carter, Digby (1547) | Won 2-1 | +191511 |
| 11draft | 88 | Pait, Chris (1751) | Won 2-0 | +221533 |
| 12draft | 59 | Wu, Jia (1679) | Lost 0-2 | -151518 |
| 13extended | 118 | Veliz, Juan (1520) | Lost 0-2 | -181500 |
| 14extended | 119 | Peyronnel, Christophe (1580) | Won 2-1 | +201520 |
| 15extended | 105 | Siira, Erkki (1537) | Lost 1-2 | -181502 |
| 16extended | 115 | Ratkevicius, Petras (1451) | Lost 1-2 | -191483 |
| 17extended | 109 | Randle, Jonathan (1609) | Won 2-0 | +201503 |
| 18extended | 102 | Sucic, Stjepan (1467) | Lost 0-2 | -181485 |
| top | average opponent: 1622record: 7-11 | new rating: 1485 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Bally, Joav (1500) | Draw 1-1 | 01500 |
| 2sealed | 116 | Sinkbaek, Marianne (1501) | Lost 1-2 | -181482 |
| 3sealed | 162 | Stangneth, Frank (1552) | Won 2-1 | +191501 |
| 4sealed | 129 | Sprejz, Torsten (1502) | Won 2-1 | +181519 |
| 5sealed | 91 | Protzek, Till (1564) | Won 2-0 | +191538 |
| 6sealed | 54 | Schonherr, Georg (1598) | Lost 0-2 | -171521 |
| 7sealed | 90 | Bischoff, Thomas (1521) | Won 2-1 | +181539 |
| 8sealed | 59 | Bartos, Jan (1469) | Lost 0-2 | -191520 |
| top | average opponent: 1526record: 4-3-1 | new rating: 1520 | ||