Idelchik, Andrey
Current rating: 1436
Record: 5-3 (GP) / 5-12 (professional)
| 2003 World Championship (mixed) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Berthelsen, Nis (1606) | Won 2-0 | +191556 |
| 2standard | 151 | Ishida, Itaru (1968) | Lost 0-2 | -101546 |
| 3standard | 140 | West, Justin T (1572) | Won 2-1 | +181564 |
| 4standard | 78 | Santin, Andrea (1787) | Lost 1-2 | -141550 |
| 5standard | 60 | Kucharski, Mariusz (1562) | Lost 1-2 | -181532 |
| 6standard | 102 | Balogh, Andras (1661) | Lost 1-2 | -151517 |
| 7rochester | 119 | Kosmidis, Jon (1713) | Lost 1-2 | -151502 |
| 8rochester | 42 | Jensen, Thomas Dall (1585) | Lost 0-2 | -161486 |
| 9rochester | 139 | Trevilyan, Bryce (1514) | Lost 0-2 | -181468 |
| 11rochester | 52 | Petersen, Stefan (1560) | Lost 1-2 | -161452 |
| 12rochester | 138 | Bero, Peter (1571) | Lost 1-2 | -161436 |
| 13extended | 131 | Serban, Tudor (1437) | Lost 1-2 | -181418 |
| 14extended | 131 | Pena Lopez, Sergio (1375) | Won 2-0 | +171435 |
| 15extended | 81 | Trajcevski, Vladimir (1417) | Lost 0-2 | -181417 |
| 16extended | 78 | Petersen, Stefan (1535) | Won 2-1 | +201437 |
| 17extended | 73 | Cheesman, Richard (1355) | Won 2-1 | +161453 |
| 18extended | 117 | Costea, Bogdan (1462) | Lost 1-2 | -171436 |
| average opponent: 1569record: 5-12 | new rating: 1436 | |||
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 83 | Tempir, Pavel (1500) | Lost 0-2 | -181482 |
| 2block | 171 | Wisniewski, Andrzej (1481) | Won 2-1 | +181500 |
| 3block | 99 | Kasinski, Tomas (1500) | Lost 1-2 | -181482 |
| 4block | 129 | Veresov, Aleksej (1482) | Won 2-1 | +181500 |
| 5block | 107 | Nguyen, Dawid (1504) | Won 2-1 | +181518 |
| 6block | 61 | Krasilnikov, Andrei (1516) | Won 2-0 | +181536 |
| 7block | 58 | Pikos, Tomasz (1595) | Lost 1-2 | -171519 |
| 8block | 85 | Varady, Balazs (1521) | Won 2-0 | +181537 |
| average opponent: 1512record: 5-3 | new rating: 1537 | |||