Szufnarowski, Grzegorz
Current rating: 1369
Record: 8-17-1
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Zapp, Karsten (1500) | Lost 0-2 | -161374 |
| 2sealed | 357 | Gal, Alen (1483) | Won 2-0 | +201394 |
| 3sealed | 216 | Ritzmann, Mathias (1518) | Lost 0-2 | -161378 |
| 4sealed | 320 | Mrkva, Peter (1484) | Won 2-0 | +201398 |
| 5sealed | 258 | Schmalfeld, Thomas (1498) | Lost 1-2 | -161382 |
| 6sealed | 315 | Jermy, Sandor (1482) | Won 2-0 | +201402 |
| 7sealed | 207 | Gschwentner, Thomas (1519) | Lost 0-2 | -161386 |
| 8sealed | 213 | Hopfner, Christian (1468) | Lost 0-2 | -171369 |
| top | average opponent: 1494record: 3-5 | new rating: 1369 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Da Campo, Sandra (1500) | Won 2-0 | +201416 |
| 2sealed | 204 | Pinkster, Wilco (1545) | Lost 0-2 | -161400 |
| 3sealed | 286 | Broer, Jan (1551) | Won 2-1 | +211421 |
| 4sealed | 138 | Leitgeb, Marco (1520) | Lost 1-2 | -171404 |
| 5sealed | 202 | Stocking, Christopher (1596) | Lost 0-2 | -141390 |
| top | average opponent: 1542record: 2-3 | new rating: 1390 | ||
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Facchini, Nullo (1405) | Lost 0-2 | -191409 |
| 2sealed | 184 | Kaae, Kristoffer (1481) | Lost 1-2 | -171392 |
| 3sealed | 201 | Samson, S.M. (1465) | Won 2-1 | +201412 |
| 4sealed | 181 | Ettrup, Kare Sanden (1447) | Draw 1-1 | 01412 |
| 5sealed | 181 | Norgaard, Mikkel (1481) | Lost 0-2 | -161396 |
| top | average opponent: 1456record: 1-3-1 | new rating: 1396 | ||
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 21 | Wozniakowski, Jacek (1500) | Lost 0-2 | -181482 |
| 2block | 165 | Potocki, Karol (1482) | Lost 0-2 | -181464 |
| 3block | 168 | Kucera, Michal (1427) | Won 2-0 | +171481 |
| 4block | 140 | Jurago, Dawid (1485) | Lost 0-2 | -181463 |
| 5block | 183 | Mayer, Filip (1466) | Lost 0-2 | -181445 |
| 6block | 166 | Mueller, Szymon (1446) | Won 2-1 | +181463 |
| 7block | 137 | Apollo, Kristoffer (1469) | Lost 0-2 | -171446 |
| 8block | 137 | Zielinski, Krzysztof (1448) | Lost 0-2 | -181428 |
| top | average opponent: 1465record: 2-6 | new rating: 1428 | ||