Koretsky, Nik
Current rating: 1558
| Grand Prix Warsaw 2001 (Invasion block) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 5 | Strakhov, Alexander (1546) | Lost 0-1 | -191575 |
| 5block | 68 | Urban, Adam (1502) | Won 2-1 | +171592 |
| 6block | 28 | Papp, Gabor (1743) | Lost 0-2 | -151577 |
| 7block | 50 | Marcik, Michal (1512) | Lost 1-2 | -191558 |
| top | average opponent: 1576record: 1-3 | new rating: 1558 | ||
| Grand Prix Moscow 2001 (Invasion block) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 12 | Kondratiev, Yaroslav (1502) | Lost 0-2 | -191520 |
| 4block | 65 | Denisov, Sergey (1517) | Won 2-1 | +181538 |
| 5block | 41 | Vostretsov, Andrey (1534) | Won 2-1 | +181556 |
| 6block | 12 | Molokanov, Alexander Y (1555) | Lost 0-2 | -181538 |
| 7block | 44 | Kruglov, Alexey (1534) | Won 2-1 | +181556 |
| 8block | 28 | Lantukhov, Danil (1531) | Won 2-1 | +171573 |
| 9block | 16 | Ruel, Antoine (1855) | Lost 0-2 | -131560 |
| 10block | 24 | Nefedov, Eugene (1504) | Won 2-0 | +171577 |
| 11block | 20 | Vasilev, Sergey (1542) | Lost 0-2 | -181559 |
| 12block | 22 | Kozak, Dmitry (1542) | Won 2-1 | +171576 |
| 13block | 20 | Tagunov, Denis (1564) | Won 2-0 | +181594 |
| top | average opponent: 1562record: 7-4 | new rating: 1594 | ||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 38 | Sohler, Christian (1520) | Lost 0-2 | -181482 |
| 3sealed | 213 | Balars, Vasady (1500) | Won 2-1 | +191501 |
| 4sealed | 115 | Marcik, Michal (1551) | Won 2-1 | +191520 |
| 5sealed | 68 | Kiraly, Zsolt (1538) | Won 2-1 | +181538 |
| 6sealed | 30 | Marek, Libor (1502) | Draw 1-1 | -11537 |
| 7sealed | 50 | Richter, Stefan (1540) | Won 2-1 | +181555 |
| 8sealed | 29 | Smrek, Juraj (1636) | Lost 1-2 | -161539 |
| top | average opponent: 1541record: 4-2-1 | new rating: 1539 | ||