Koumkov, Serguei
Current rating: 1482
Record: 3-4
| Grand Prix Moscow 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 70 | Boozootov, Dima (1500) | Lost 0-2 | -181482 |
| 2block | 86 | Pirogov, Andrey (1482) | Won 2-1 | +181500 |
| 3block | 88 | Romushin, Alexandr (1482) | Lost 0-2 | -181482 |
| 4block | 108 | Tatarenkov, Trofim (1482) | Won 2-0 | +181500 |
| 5block | 86 | Krymov, Arseny (1500) | Won 2-0 | +181518 |
| 6block | 65 | Bogdanov, Alexey (1518) | Lost 0-2 | -181500 |
| 7block | 72 | Tower, Artem (1499) | Lost 0-2 | -181482 |
| average opponent: 1495record: 3-4 | new rating: 1482 | |||